SIP Service Providers
March 5, 2008 Leave a comment
7AAA VoIP termination – VoIP termination from 7AAA Corp. SIP and H323 VoIP solutions. Wholesale long distance VoIP termination.
AccessOne Technologies – We are a SIP VOIP provider looking to do wholesale terminations in the US and Internationaly using G.729.
Actica Communicatins Corp – Actica Oofer telcom products worlwide all using SIP. We Offer DID’s in over 50 countries and much more
Advanta Technologies; Inc. – We provide US and International SIP PBX and Call Center based hosting service – wholesale and retail.
[Company] : Advanta Technologies; Inc.
AEMcom Srl – SIP and H.323 Italian Service Provider; Toll by-pass; Telecommunication Operator; Internet Services; Telephone Services; Wireless; Services.
(aq) Limited – UK based VoIP service provider using the SIP protocol. Geographic and non geographic numbers available.
AG Projects – SIP redirection service – Register your Personal Internet Domain Name with Managed DNS for £ 20/year. With this you will receive two personal SIP addresses and unlimited WEB, E-mail and Voice over IP redirection.
Agsm Telecomunicazioni – Hosted SIP Services
AirTouch – AirTouch Singapore provides secured VoIP solutions based on SIP to regional banks; stock broking firms and government agencies.
aloip.com – Internet Telephone service providers all in spanish for South America
Allied Telecom & Marketing – We are one of the leading suppliers of Telecommunication services on SIP & H323.
AlphaNet P/L – SIP to SIP, SIP to PSTN (Australia), FreeCall to Hong Kong
Altecom – SIP/IAX/H323 High Quality Calling A-Z termination. DDIs/DIDs of many countries. Free calls between our clients. Low latency and BGP4 Network. Professional technicians with experience.
Amitelo Communications – Connecting urbanizations in southern Spain to Amitelo’s network via wireless technology combined with the SIP technology
Antratel Pty Ltd – Our "SIP eXchange" has more than 300; 000 clients every day and more than 6000 VoIP providers. Many big companies like Deutsche Telecom. Support all routes in the world
APEX Telecom – APEX is a California CLEC provides integrated services to small and medium businesses in US. Company also develope a global SIP Based platform to provide vlaue added serivce in additonal to traditional voice and data services.
AT&T – AT&T’s VoIP Services help your business evolve to the next generation of converged communication services. Enhancing employee productivity, reducing operational expenses and gaining the efficiencies of a unified network help you attain the leading edge over your competition. AT&T’s VoIP services are delivered with the quality of service, reliability and security required for your mission critical business communications. Powering these services is AT&T’s world-class global, IP-MPLS network, which is standards-based and designed to support open protocols such as Sesion Initiated Protocol (SIP) which provides the interoperability and scalablity that your business needs for next-generation communication applications.
AZTEL USA INC – Vonage Type Services for wholesale and retails. SIP/H323 wholesale Termination.
B2 Bredband AB is a market leader in the area of broadband communication in Sweden and offers fiber to the building, LAN-Ethernet broadband services to households and small companies. Its goal is to create the worlds first genuine two-way broadband infrastructure with access to data, voice and video. The company is present in Sweden, Norway and Denmark.
Babble.net Limited – Britain’s favourite SIP provider with almost 100; 000 registered users; UK DDI numbers and 1000 free minutes to most global landlines for subscribers
BandTel is igniting the SIP Trunking industry with its industry-first technology advances. As a service provider of next-generation VoIP termination to the PSTN for high volume telecom users, it specializes in a fault tolerant architecture, which solves the throughput and redundancy problems on high capacity SIP-based networks. BandTel’s unique ability to cost-effectively connect toll-quality calls instantly unites businesses worldwide. Rate plans for Local, Long Distance, Int’l, DIDs, 800#s, & Conference Calling are formulated to save Call Centers and Enterprise Users 40-60% from the traditional telecom costs.
Bandwidth.com – SIP service provider in the US that offers hosted VoIP solutions, SIP Trunking, and wholesale/enterprise SIP Origination and Termination services.
Bell Canada – Canada’s national leader for communications in the Internet world, provides connectivity to residential and business customers through wired and wireless voice and data communications, high speed and wireless Internet access, IP-broadband services, e-business solutions, local and long distance phone and directory services.
Blueface – Blueface is a SIP based VoIP provider providing residential and business users with a phone service over an existing broadband Internet connection.
Bophone.net is a Swedish SIP provider with focus on the residential market. Full SIP service – SIP with PSTN termination.
www.bridgeconference.co.za – www.freevoip.co.za – Now offering you a free SIP service and directory where you can join and lookup anyone in our directory of users and get in touch with them for free!
Broadband Phone Pty Ltd – VOIP service, Free PC-to-PC sip service, Prepaid PSTN service, DID in Australia, New Zealand, USA
Broadband Telephony Sweden – Swedish SIP -> PSTN services
BroadVoice – The BroadVoice service is based on the SIP protocol, allowing the company to accommodate a wide range of end user devices including a small analog telephone adapter (ATA) that allows the consumer to connect the service to their existing telephones.
Broadvox Direct, Llc – Residential and SOHO VoIP service, Carrier services (VoIP transport)
BT – BTexaCT is currently undertaking an extended evaluation of SIP technology, with rigorous interoperability testing and the demonstration of advanced SIP-enabled services
BusinessEdge Solutions – Highlights include proven success in delivering VoIP solutions and the first Multiple System Operators Session Initiated Protocol-SIP-based voice-mail application.
Callcentric – Callcentric’s Agent offering SIP VoIP service. Unlimited Plan to over 30 countries or Pay Per Call. Offering this service to hispanic community around the world.
Call Union – Call Union for VoIP to VoIP and VoIP to PSTN using SIP
CALL2UA – Cheap phone calls over internet from CISCO ATA-186 ; PC or any H323; SIP; IAX; FXO or FXS device. Wholesale phone calls termination.
call4less – We are a Belgian Sip Provider. We provide SIP Account; DID Number; very cheap call everywhere in the world; call in Belgium for only 0.02€/minute
Callcentric – Callcentric allows people worldwide to make and receive phone calls over the internet to each other using SIP. Free accounts. Free calling On-Net and to all SIP URI’s. Paid services available.
CallCentric Agent – Agent from CallCentric SIP VoIP service. Specialized in LatinAmericas customers. Service unlimited residential plan rate at US$ 29.95 to call most Latin landline phones (Peru; Argentina; etc.)
Callserve – ITSP offering High Quality Calls via SIP Softphone or Gateways
Cliconnect Internet Telephony – Cliconnect uses high-quality VoIP technology to offer SIP based Internet Telephony services for business and residential customers.
DDI2.net – SIP based VoIP provider with instant DDI / DID landline numbers and interconnect. Provides DDIs for any SIP connection. Competitive rates for landline calling.
Dialdirect.Net – World Wide SIP Services. Custom network plans for Carriers; Call Centers; Corporations
DigiLinea – A next generation SIP protocol VOIP network and offers two flavors of the DigiLinea service: DigiLinea, for customers with existing broadband internet service; and Portable DigiLinea a nationwide dial in VOIP platform for customers who want to take advantage of VOIP calling from their home, business, or cell phone. The two services provide DigiLinea with the first VOIP service that provides 100% coverage to the Hispanic market.
Digisip – Digisip AB is the Scandinavian leader in creating new cool services based on the SIP protocol for the broadband Internet.
DSL.net is a leading nationwide provider of broadband communications services to businesses. The Company combines its own facilities, nationwide network infrastructure and Internet Service Provider (ISP) capabilities to provide high-speed Internet access, private network solutions and value-added services directly to small- and medium-sized businesses or larger enterprises looking to connect multiple locations. DSL.net product offerings include T-1 and business-class DSL services, virtual private networks (VPNs), frame relay, Web hosting, DNS management, enhanced e-mail, online data backup and recovery services, firewalls and nationwide dial-up services; as well as integrated voice and data offerings in select markets.
The Cisco Systems equipment being used in the DSL.net broadband network supports the Session Initiation Protocol (SIP) and includes the Cisco IAD2400 Series and the Cisco BTS 10200 Softswitch.
e-fon GmbH – Connect your SIP phones to our network and get a Swiss Access Number. We offer a wide range of IP Services.
Earthlink Headquartered in Atlanta, EarthLink provides a full range of innovative access, hosting and e-commerce solutions to thousands of communities over a nationwide network of dial-up points of presence, as well as high-speed access and wireless technologies.
Ecuity Advanced Communications – Nationwide SIP Based IP Telephony Services: IP PBX, Trunking, CLEC, ISP, VoWiFi, based on Broadsoft.
eStara – Push To Talk(sm), eStara’s Web Voice product allows eBusinesses to talk live to their customers over the Internet and simultaneously share data to speed the handling of calls, respond more efficiently to customers’ needs and close more online sales. Customers simply click a button placed on web sites, in emails and in online ads to make a call. There are no numbers to dial or extra phone lines needed. For PC users not equipped to use web voice, eStaraVoice offers a quick call back to any open phone line. eStara’s other products include the eStara Softphone, SIP Proxy, Online Chat, and Conferencing Software. < control call next-generation 2.0 Version ENTICE P>
EUROWEB ROMANIA SA – Global telecom, providing VoIP services (incl. SIP) and traditional telephony. Also ISP, IP provider and data carrier (especially for Central and Eastern Europe)
Free IP Call/Global Network – VoIP service provider and SIP Telephony network over NET.
Free World Dialup (FWD) allows you to make free phone calls over the Internet using a ‘regular’ telephone or a computer program.
Freeway Communications – SIP and .323 VoIP Billing Package written for Linux OS and LERG based systems. SER softswitch with various application packages. CoLo in LA; CA. with fully managed services.
Gafachi Communications – Gafachi Communications is a wholesale SIP carrier offering A-Z Termination and Origination (DID and Toll Free). Our network supports any SIP-enabled device. We offer unlimited concurrent calls, instant
provisioning, on-line account management and T.38 Fax Support.
GepardTel – SIP based VoIP provider. No monthly fees.
Global Crossing – Global Crossing offers a full range of managed data and voice services on a global basis; including SIP based connections to customers for inbound and outbound VoIP call completions.
GlobalNet – SIP Enabled VoIP Network integrated with Global Mobile Satellite Service
GlobaltelIP – We are a SIP based business grade VOIP service provider. We provide phone to phone, pc to phone and pc to pc communication using VOIP.
Globe7 Inc – Globe7 is first SIP softphone integrated with MP3 player and Internet Explorer. Evaluation version is free. It comes with an US phone number. Final version is going to be powered by MPEG4 Realtime video.
Glowpoint – Carrier-grade IP-based video communications service provider (full SIP support of the RADVISION viaIP solution)
GSN2U – SIP Service in Malaysia
Halloo "virtual PBX" service offerings are built on a next-generation voice application platform that combines phone, email, fax, web and instant messaging to deliver advanced communications features to individuals and small businesses. By taking advantage of open standards such as XMPP, SIP and HTTP, the Halloo voice application platform is able to respond quickly to the evolving feature requirements of customers in the exploding market for hosted communications services.
HiTech Telecom – SIP & VoIP Wholesale Solutions; Integrators and full service providers
Hostcomm – Hostcomm provides hosted IP telephony; voip and contact centre solutions based on SIP to small and medium enterprise (SME) businesses.
Ibasis – The world’s largest IP-based Cisco Powered Network (CPN), The iBasis Network provides Voice over IP (VoIP) and Fax over IP (FoIP) quality equaling or exceeding that of Tier One carriers.
iCallGlobe – iCallglobe provides one of the best voip services offering call termination service; wholesale carrier services; IP Telephony; business solutions; SIP; voip reseller program and many more
i2Telecom International provides micro gateway adapters (InternetTalker(TM),EVoIP-4000(TM)), VoIP long distance and other enhanced communication services to subscribers, and its proprietary technology platform is built to the Session Initiation Protocol ("SIP") standard.
ICG Communications (Now Level 3) – ICG Communications, Inc. is a communications provider with a nationwide data and voice network, operating in dozens of major metropolitan areas. As an integrated nationwide and metropolitan fiber optic infrastructure company, ICG provides access and bandwidth to thousands of customers including Internet service providers, interexchange carriers, corporate customers with medium to large-sized businesses, and corporations needing strategic asset protection. Signature products include broadband, dial-up Internet access, Dedicated Internet Access (DIA), and voice and Internet Protocol (IP) solutions.
iConnectHere is the consumer division of deltathree, Inc. deltathree is a leading provider of high-quality, hosted, private-labeled Internet telephony products and services worldwide.
Inet Telecoms Ltd (Voipfone) – Voipfone is a UK based Internet Telephone Service from Inet Telecoms Ltd. Utilising SIP; it provides a complete range of VoIP products and services to both Business and Residential customers.
IPage Telecom – IPage Telecom is a Singapore licensed wholesale SIP Voice Service Provider. We offers International Voice Termination Services Through our Points of Presence in Singapore; Dallas-Texas and Canada.
InPhonex, LLC. – FREE VoIP to VoIP calling service.
Itinerancia Universal – SIP & IAX / PSTN gateway, IVR service provider in Spain
IP Communications – SIP Origination Services. IP Delivered Toll Free and DID (Local Numbers). IPDID Local Number Service delivers unlimited use U.S. phone numbers from over 43 markets nationwide
IP-Com Sp z.o.o – Residential Users & Business Users. Local Access; SIP; IP-PBX’s Call Shops – Internet Cafes Carrier Services – Freephone – DID’s – Routes Encrypted SIP calls & Secure VPN 128 Bit AES Voice SIP
IPTELNOW – IPTelnow offers amazing and simple VoIP/SIP plans. No minimum spend and no contract. Join our network and start your IP Phone experience.
IT-Technology TALK2U – IT-Technology is a R&D company; but also a VoIP (SIP) and fixed network carrier; located in Vienna/Austria
JS Communications – Wholesale providers of USA and International Termination; Toll Free Inbound/ Origination; USA ; Canada and International DID services we support both H323 and SIP
Junction Networks – Business Class VoIP Provider offering inbound; outbound and toll free inbound SIP service. Over 1; 000 business customers; unlimited simultaneous calls; immediate phone number provisioning.
Kapsch CarrierCom AG is Central Europe’s leading independent service provider in the service provider/carrier/corporate networks operator market segment. The products and services offered by Kapsch CarrierCom cover the entire spectrum of modern communication networks, from fixed and mobile telephone and data networks to next-generation broadband communication, internet applications, management software and related services.
KyTEL International Group, Inc. is a global facilities telecommunications provider based in New York City and was founded by Gregory M. Kiley. To date, KyTEL has expanded its global network at an accelerated pace. Its most notable expansion has been the planning, programming and integration of a private global IP backbone using standards based architecture allowing them to easily implement and support emerging technologies such as SIP. With this expansion, KyTEL continues to place itself in the forefront of premier telecommunication providers.
Lamsre Informatics Limited is a leading systems integrator and SIP-based communications application service provider (CASP) based in Dhaka, Bangladesh. Lamsre specializes in the integration of SIP-based communications systems tailored to service providers’ unique needs. Lamsre Informatics Limited basic and enhanced SIP and IAX -based telephony service, number resolution, and advanced billing and subscriber administration through a hosted network model.
Lamsre Informatics is presently offering commerical trial SIP and IAX (Asterisk) services in Bangladesh, Saudi Arabia, Vancouver (Canada).
Level 3 Communications – Level 3 offers advanced wholesale voice services, terminating voice traffic via its dedicated IP backbone to gateway locations worldwide. SIP signalling is offered as part of this service. Customers of (3)Voice will have the opportunity to develop their own Application Service Provider and enhanced services over the open architecture of a SIP-based network.
(3)Works. Level 3 has created a self-certification program that allows VoIP equipment and service providers to interoperate with the Level 3 (3)Voice network. Participants will execute test plans relating to SIP signalling and RTP transport.
Light-Connect is a Ukranian SIP provider. Full SIP service – VOIP service; Free Web Calls; Free PC-to-PC sip service; Prepaid PSTN service
M G S – UK Provider of SIP phones and SIP internet call service. Free UK numbers and ulta low call costs
M5 Networks; Inc. – M5 is a leading SIP-based IP phone system provider. Outsourcing to M5 instead of buying a phone system and signing more local & long distance contracts saves businesses valuable time and hard dollars.
MAXATEL – free subscription; free softdialer or use your own sip device; instant creditcard payment(SSL) and low rates!
MAXATEL – Iscrizione gratis sia per uso privato che per negozi di telefonia. Potrai avere un softphone gratis o usare il tuo apparecchio sip. Pagamenti instantanei con carta di credito (128 bit SSL). Chiamate in tutto il mondo a basso costo! (servizio prepagato, nessuna bolletta telefonica)
MCI – One of SIP’s major advocates is Henry Sinnreich of MCI, so it’s no surprise that MCI is a great proponent of SIP services. Its suite of business services, IP Communications, will enable businesses to move their voice traffic to an IP network and take advantage of a new generation of multimedia applications.
MCI customers can move to an IP environment while maintaining their existing dial plans and IN features. Later this year, when the network moves to SIP signalling, IP Communications customers will benefit from presence based services, instant conferencing and unified messaging. Users will be able to inform callers of their availability and preferred method of communication, such as email, telephone or instant message. Presence will also enable users to instantly set up chat sessions and audio-conferences.
McLeodUSA – McLeodUSA is among the largest US CLECs. The company’s SIP Trunking product delivers integrated voice/data/Internet to IP-PBX. 6 to 50 voice paths per single T1. Bandwidth ranges from 1.5 to 45 mbps.
Mconnect; Inc. – A US SIP based VoIP service provider offering residential; premium/SoHo; and business unlimited; full-featured calling packages at affordable rates.
MediaRing.com, Inc. – MediaRing Talk”. MediaRing Talk offers SIP-based PC-Phone and PC-PC calls and XMPP based Instant Messaging & Presence. SIP-based 5 user conferencing too.
MichTel Communications; LLC – MichTel provides wholesale SIP origination and termination services. Broadband phone service is also available.
MinuteHub – MinuteHub is an international VoIP hub that makes it easy to purchase wholesale VoIP termination and place international calls via SIP and H.323 VoIP equipment.
Mix Meeting – Wholesale VoIP services include international to US SIP termination; US domestic SIP termination; A-Z termination; local DIDs and 800 toll-free. Competitive rates and flexible Agent opportunities.
Mobitus – Based on industry standard Session Initiation Protocol (SIP) technology, mobitus allows consumer and enterprise customers to enhance the value of their internet connections, whether it is WiFi, broadband or dial-up based.
MondoTalk – Quality SIP VoIP calls at low rates. Specialled plans for US; Canada; UK; Australia and New Zealand; e.g. US/Canada 1000 min at only US$14.95. NO monthly access fees; connection fees and contracts.
Mutualphone – Compatiable with any SIP phone, such as Sipura, ATA186, Granstream. lower than Net2phone/Go2call. Instant account delivery Free USA incoming number/Voice mail
myPhoneCompany – myPhoneCompany’s SIP to PSTN calling plans are further lowering the telecommunications costs for both residential and commercial customers.
Nadiz International Investment Inc. – Free SIP service; Free Long Distance Calls! Nadiz is a free International SIP registrar. Nadiz telephony service allow you to make FREE from per minute charge calls to 50+ destinations in the world.
Navigata - WebCall by Navigata is ideal for busy families who require a second phone line, people who regularly communicate with family or friends in a WebCall served area or people looking for an economical communications tool. The service, which runs on Nortel Networks Multimedia Communication Server (MCS) 5200 platform, will allow high speed internet customers from anywhere in Canada to select a phone number from any WebCall location, a set of enhanced features and a long distance package.
NCIC Operator Services – Provides SIP enabled telepohone operator services and directory assistance for the LEC and CLEC markets.
Net2Phone, the pioneering VoIP service provider, has announced it will implement a SIP solution, allowing it to develop more advanced services.
Net4 – Full SIP VoIP solution including PC2P; Devices; 2nd & 3rd tier resellers; private label; callshop solution
Net International – Net International provides origination and termination of VOIP calls through analog telephone adapters (ATA) based on SIP. We offer direct inward dialing ( DID) with area codes from most major US cities and competitive inernational rates.
Netplan – We are a High Quality SIP and H323 terminating service providor based in the UK – offering high quality termination on multihomed teir 1 Network.
Nettel Telecom International – Nettel Holdings activated a new SIP-based IP telephony network and plans to launch a worldwide broadband phone service. Nettel plans to offer an unlimited calling plan to anywhere in the United States for $29.95 per month. Ordinary telephones could be connected to a broadband connection using a Cisco Systems’ Analog Telephone Adapter (Cisco ATA) or other SIP-enabled device. Nettel is based in Vancouver, Washington.
NextGenFone – NextGenFone mission is to deliver the benefits of choice, to simplify communications using broadband solutions for access, Nextgenfone service allows customers to make and receive phone calls anywhere in the world using SIP technology.
nexVortex is a next generation telecommunications provider for small and medium businesses. Our technologies, based on SIP standards, allow us to deliver advanced communication services and in turn give businesses better and more efficient ways to collaborate. Our SIP Trunking service is specifically designed for businesses with an IP PBX or TDM PBX to leverage our IP infrastructure obtaining low cost calling to traditional phones and free calling to other users of nexVortex service. We allocate toll free or virtual telephone numbers (almost any area code in the continental US and Canada) for inbound calling.
nikotel is located in San Diego, California. As a team of international professionals, we are committed to build the next level of digital communication by developing and adhering to the highest standards of VoIP communication, SIP and H323 Protocols.
NORBY Telecom – Pan Baltic SIP VoIP service provider. VoIP solutions for Business customers. IP PBX production; deployment; service.
NovaTel is the first VoIP carrier to have an H323, SIP and SS7 integrated network. As a beta-tester for both Verisign (for the next generation of SS7) and Cisco, our customers can count on us to deliver the most advanced VoIP network capabilities.
nPlusOne – SIP/PSTN termination and ipCentrex with VoiceXML mediaservers for xSP channels.
Openface Internet – Hosted PBX service; multiple models of SIP Phones; SIP trunking service; virtual calling card service; click-to-call service; Smooth migration of Legacy PBX to VoIP; SHDSL; Fiber.
Orbitel is the first competitive telecom in Bulgaria, after the end of national monopoly. The company’s convergent platform provides unique business opportunities in the opening national market of voice and data services. Orbitel will deploy NetCentrex multi-protocols platform, using simultaneously H323, MGCP and SIP protocols.
Pandora Networks – Worksmart Hosted Service, the first complete IP Centrex service with virtual PBX, video, universal instant messaging, and collaboration for complete communications solutions for small and medium enterprises.
Paradial – RealTunnel(TM) v0.9.8 The public service so far has supported Windows Messenger and MSN Messenger used in combination with the .NET Passport service. Today full blown SIP Registrar service is launched. This means that all SIP clients behind NAT and firewall devices now can establish voice and video calls. RealTunnel users can connect to their existing service provider (e.g. Iptel.org, Free World Dialup), or sign up for a free SIP ID from the realsip.com domain provided by Paradial. The SIP service will be denoted RealSipTM. For further instructions on how to test the SIP capabilities (RealSip(TM)) of RealTunnel(TM), see http://www.realtunnel.com/index.jsp?page=Sip. The following SIP clients can be synchronized automatically with the RealTunnel(TM) clients: Windows Messenger, X-Lite, X-Lite FWD and eConf.
Peneo Telecommunications – Peneo is a leading-edge technology firm specializing in VoIP solutions to lower telecom costs for residential consumers and commercial businesses. SIP hardware welcome!
Phoneserve – High Quality Calling Card Product via SIP Softphone or Gateways
Phontel Telecom Inc. – Phontel Telecom Inc. offers worldwide telephony services using conventional circuit-switched and IP telephony. Our services: SIP phone; Voice DID Worldwide; Call back and Wholesale at competitive prices.
Pincity – Use Pincity’s prepaid Phone Cards to make low-cost calls anywhere in the U.S. and from the most frequently called countries worldwide. Pincity’s Phone Card comes with sip SERVER.
PRIMUS Telecommunications, Inc.
QuaesTel; Inc. – QuaesTel’s network provides CLECs; ISPs; Interconnects/Integrators and Municipalities with the unique ability to provide their customers with a systematic; non-intrusive migration VOIP SIP technology.
Reuters Messaging is a real-time communications tool designed to meet the needs of professionals in the financial industry. Easy-to-use instant messaging gives your users immediate access to their key market contacts anywhere in the world, with SSL encryption and message logging to ensure that their conversations remain confidential and compliant with current financial services regulations.
Rubicon IPNet – SIP Service
Seednet – Seednet is expected to be the first Internet Service Provider (ISP) in Taiwan to provide advanced SIP Session Initiation Protocol (SIP)-based multimedia services.
SIP Talk – Call any SIP phone in the world for FREE! Get your friends on SIP Talk and never pay long distance or local phone service again.
Sip2go – Providing broadband voice services with free adaptor and softphone. Sip to PSTN termination. Inbound numbers using ENUM and UPT ( 87810)
sipbroker.com – Setup a SIP Broker number like 1-555-1234 to map to your existing SIP URI and your friends and family can call you by simply dialing this number.
sipgate – sipgate is a sip service provider that supplies geographic phone numbers throughout the UK; Germany and Austria.
SiPnumber – SiPNumber.com offers a FREE US phone number that offers unlimited in-bound calling. SiPNumber.com works with ANY SiP device and service. SiPNumber.com also offers a free softphone and 60 free minutes!
SipPal.com – VOIP Consumer Service with SIP access. No monthly fee. Free 0870 numbers. 020 and 01 Numbers coming soon.
SIPPhone – SIPphone makes it possible for people to send and receive free calls worldwide. Just plug in a SIPphone or regular phone with a SIPadaptor into a broadband Internet connection, dial the desired SIP number, and start talking.
SipTelecom – Allow site owners accept SIP video calls from their web site.
SiptelNEt – SIP ITSP; providing corporte with high quality voice solutions; from ivr to termination.
sipzoo.com – SIPZOO is a comprehensive global Broadband Telephone service. After signing up with SIPZOO, the customer receives a regular local U.S telephone number. The telephone number provided by Local Number has the same features and options that are currently available with any local telephone company.
Stanaphone – Free simple and easy to use internet telephone. Stanaphone is a SIP based service. Any SIP device can work with a Stanaphone account.
Stage2Networks - SIP-Based Hosted PBX/VoIP Service provider – Providing On-Net/Off-Net Hosted/Managed PBX and SIP Trunking products
Startone Telecommunication Sdn Bhd – SIP Termination; discounted call; Softswitch billing and application; bulk traffic purchase; ATA equipments; share computers
Sunday A major wireless provider in Hong Kong
Sunline – We connect customers worldwide to our international VoIP network using SIP and H.323 and we also assign virtual western European telephone numbers.
Sinapsys – Service of unlimited calls for SIP; free calls between users registered; entry of DID in several countries.
SuperNetTel – Providing Internet Telephone related services since 2002. We now focus our attention on resellers worldwide. We still provide SIP and IAX services to consumers worldwide. We terminate through TDM.
Switzernet.com - A swiss SIP service provider. We provide SIP <-> PSTN communications, with a regular swiss PSTN phone number (021 and 022). Calls are FREE of charge to PSTN in Switzerland, France, UK, Germany, USA and Singapoure (for private customers).
Talkfree – Talkfree is the provider of choice for prepaid SIP calling in the developing world. Our portal is built in 9 languages and features every IP access technique. Talkfree has 4000 resellers and agent.
TalkingNets, a telephony ASP, provides wholesale telephony solutions that allow an ecosystem of carrier and value-added reseller channel partners to offer next generation voice services to small and medium-sized businesses. TalkingNets provides a complete portfolio of services ranging from local dial tone service to hosted virtual PBX applications.
TechTerra – TerraCall(TM), a new SIP based long distance IP Telephony service for calling landlines and cell phones worldwide.
Telasip offers US-48 SIP origination and A-Z SIP Termination to the residential; business and wholesale markets.
Telecom Matters Corp. – Provides hosted PBX services to small/medium business–all you need are SIP-enabled phones/LAN. Live answer; auto-attendant/IVR; voice mail; call queues; conferencing; DID numbers; fax-to-email; etc.
Telekenex – Telekenex SIP Trunking solution provides enterprises with tangible benefits in hard cost savings and operational network efficiencies; for WAN networking and enablement of new SIP enabled applications
TeleSIP offers SIP Telephony services to end users in the US and Latin America. We provide standard ATAs with US DIDs or private numbers.
Telia – The Golden Gate project was initiated in 1999 to design a platform for services that could bridge the gap between different networks. The basis for this project was a SIP network architecture and SIP-enabled services. A gateway was built between traditional networks and Telia’s new IP network. Number portability was chosen as a pilot service to keep track of the current phone number of a user as they change IP address.
Teliax – Full Service Residential; Corporate and Enterprise VoIP SIP and IAX service. Low cost Origination in 6500 US Exchanges and Global Termination. Virtual PBX platform; build-to-suit plans and more.
Televoip as – TeleVoIP Communications IP telephone SIP provider from Norway, with pay as you go, online telephone numbers.
Telopar; Inc – Providing SIP connectivity for residential and business users; as well as termination services for SIP server operators
TELUS – At the heart of TELUS’ new packet-based national voice solution are Nortel Networks Succession Communication Server 2000 softswitches and Nortel Networks Passport Packet Voice Gateways (PVG). TELUS’ national VoIP network includes voice gateways deployed at 11 major locations across Canada, enabling voice traffic to be carried on TELUS’ national high-speed IP backbone with carrier grade voice quality.
TELUS is trialing Nortel Networks Succession Interactive Multimedia Server for delivery of SIP-based personalization, collaboration and other multimedia services.
Termilink Digital Voice – SIP Residential Provider in US.Unlimited US and Canada Plans. Great International rates and Virtual numbers.
Terravon Communications – SIP provider offering A-Z Termination; Origination for US; Canada; Brazil; and 23 other countries. Toll free numbers; ITFS; UIFN services too; provided via SIP; H.323; and IAX.
Timico – Timico are the first SIP service provider to offer a complete communications bundle to the business market. As an ISP and a Mobile Virtual Network Operator timico have a fully converged SIP offering.
TRACI.net provides SIP origination and termination as well has hosted PBX services. Flat rate Toll Free DIDs are available for $10/month with no additional per minute fees.
Trillium Solutions – Trillium "Talk Infinity" has built a core "converged" voice and data network that utilizes the session initiated protocal (SIP) standard to create opportunities that reach far beyond "cheap long distance" and standard telephony features to provide Local phone service affordable.
Tseyva.com – Tseyva offers true hosted PRIVATE labeling for SIP / H323 PC2Phone; Device2Phone; IP Phones and Calling Cards for voip resellers. We offer Extreme Support; Exceptional Quality & Extraordinary Stability
TuliP Telecom – Use your SIP phone/gateway/soft-phone to make/receive phone calls to/from anywhere in the world. DID numbers available from: France, Canada, Taiwan and soon many others.
Vaspian – Vaspian is an integrated service provider (cooperative), offering a suite of hosted telecommunications (SIP based) applications to small and medium sized businesses through out the Northeast. The Buffalo based firm offers a unique local, long distance, Internet Key/PBX system that displaces the need for the business telephone system.
VCOMM UK Ltd – VCOMM are the hosting partner to Pandora Networks in the UK & Ireland. Selling exclusively via channels; VCOMM offer ‘soup to nuts’ provisioning of Pandora’s award winning SIP platform.
Verizon – Verizon’s initial launch will be the largest in the industry. It will sell an Internet SIP-based service in 139 markets in 33 states, many of them outside of Verizon’s territory.
vNet Source – Providing wholesale VoIP infrastructure (ISP’s) with 50,000 ports nationwide.
VoEx is a leading provider of high quality Internet telephony services with first tier quality that enables telecommunications carriers and other communications service providers to offer international voice, fax and other value-added applications over the Internet.
The Voice Peering Fabric – A distributed Layer 2 Ethernet Fabric, allowing VoIP organizations to Buy & Sell minutes among one another directly.
Voice Stream Data – Voice Stream Data proudly offers virtual calling card providers and Sip VoIP service providers a strong global network in which to connect to almost any destination in the world.
Voicebanker.com – Voicebanker.com provides sip communications from regular PSTN phones and through its Plug&Phone sip client adapted to usb stick memory.
VoiceConX IP LLC – VoiceConX delivers a fully managed & hosted IP Telephony Solution using SIP; add Internet Access & small and medium size businesses receive all Voice & Internet Service from One Company & one bill.
VoiceFlex – SIP Service provider. Number porting; DDI ranges and SIP trunks.
Voiceglobe – Global Internet Telephony provider based on advanced SIP infrastructure in USA and Europe. SIP services provided to retail and wholesales market; supporting "white label" virtual ITSPs worldwide.
VoicePulse – Broadband Phone Service
voicetrading – SIP to PSTN wholesale termination service provider; offering cheap international calls to small & medium size businesses. Easy setup & acccount management; crystal clear connections; excellent rates!
VoIP User – UK VoIP resource and PSTN to SIP termination service provider.
VoIPCall Secure provides encrypted calling around the world using SIP IP Phones connected to our network. Unlimited encrypted phone to phone calls around the globe. Unlimted US & Canada calls
VoIPCall – Providing business VoIP SIP origination & termination services.
US & International termination & US; Canada & UK origination services
Voipgate – SIP compliant VoIP Termination for the Netherlands and VoIP gateway services for VoIP Servers
Voipfone – Voipfone provides reliable and inexpensive sip telephone calls and advanced switchboard services to anybody; anywhere in the world.
VoIPInvite – SIP to PSTN wholesale termination service provider. Under a penny termination to the US 48 states and Canada. TDM (TOLL/Land Line) quality; 90+% ASR; 1-2s PDD. Use our product as a backup if you wish.
VoIPTREX LLC – We are a true SIP base ITSP out of Santa Clara
Vonage Digital Voice – Through SIP and VoIP gateway’s, we have essentially brought together the two biggest networks in the world, the PSTN and the Internet. It is the most dynamic, efficient and cost-effective means of communicating and is now available for you to use to your advantage. That is the essence of SIP-thru-NAT, Vonage’s proprietary communications technology.
Voxbone – Voxbone is the world’s first and largest provider of worldwide virtual phone numbers (DID’s). Order a number from any major country in the world and receive the calls via SIP; wherever you are!
VoX Communications – SIP origination and termination services for cable operators; carriers; ISPs; CLECs; resellers and other wireless operators as well as VoIP telephone service to residentail and SOHO customers.
VozTelecom – vozIP.com is a white-label SIP enabled architecture for ISPs; ITSP; broadband and voice providers; to deploy IP Telephony applications over an ASP model; reducing time to market; capex at zero risk.
WebPhone – Provider of SIP based softphone with a wide array of features and benefits: Free PC to PC calling; low cost PC-to-Phone calls; online account management; unlimited incoming calls and voicemail.
WebUnited, Inc. – WebUnited offers a unique (SIP) based voice over Internet protocol (VoIP) telephony solution that offers the immediate benefits of reduced operating expenses and improved productivity over traditional RBOC telephone lines and PBX telephone systems.
Welcome Telecom – Service provider with SIP, H323 terminations capability
WholesaleSIP – Dedicated SIP termination to 90% of California at $0.00475 USD
World Venture Group Telecom – Providing World Wide SIP/H323 Terminations
Yesfone Inc – Full service SIP provider – free member to member calling and cheap long distance call.
ZGroup North America – ZGNA markets enhanced (SIP) VoIP services, products and network solutions to corporate and individual customers worldwide. The most reliable, efficient and cost-effective means of communicating.