SIP Service Providers and Carriers

bandwidth.com
VoIP services
BlueFace
Operates mainly in Ireland but also in the UK; selling VoIP services (mainly SIP, and IAX on demand) for residential and small business.
Brama Telecom
consumer VoIP services (Canada)
Broadvoice
Residential service, including "bring your own device" (BYOD)
Broadvox
provides SIP services to carriers and businesses
DeltaThree: IConnectHere
global Internet phone service (consumer)
eStara
click-to-chat
EtherSpeak
"We are a national SIP Provider for businesses and the telecommunications industry. We provide SIP Trunking for major Unified communication platforms such as ShoreTel, Microsoft Lync, Zultys and the Open Source Asterisk."
Free IP Call
IP-only calls
Ipsofactum
located in Colombia
Lingo
retail
My SIPSwitch
"My SIPSwitch is an experimental service sponsored by Blueface that allows you to route multiple SIP accounts from different suppliers through a single SIP login."
Nextiva
Business VoIP; hosted VoIP and SIP trunking
nexVortex
"Next generation telecommunications service provider. We focus on the needs of small and medium sized businesses."
OnSIP
"OnSIP is a SIP service for businesses. Users can sign up for a free account and get SIP domain hosting for free, unlimited free SIP addresses and users, and free calling to and from any SIP address. Users can add services such as inbound and outbound calling to and from the PSTN. PBX features such as voicemail, attendant menus, groups, are offered on a pay as you go basis."
PTGi/Primus
wholesale
ShoreTel Sky
hosted VoIP and unified communications
sipgate
Germany
SIPRoutes
"SIPRoutes.com is a cloud based Least Cost Routing platform designed to take full advantage of SIP Termination."
SipTelecom
SIP-based telecom company supplying hosted iPBX services
Sonera Puhekaista
soft-phone
Tello
SIMPLE presence, with federation
Teltel
soft-phone (no PSTN interconnect)
TFSG: Toll Free SIP gateway
Toll free SIP gateway for toll free termination (outbound). Pays customers for the minutes sent.
VoIP Solution
Canadian service provider
VoIP User
Obtain your free UK local-rate telephone number which can be forwarded to any landline in a number of countries in the World, or your SIP software or hardware phone.
Voz Telecom
SIP-based services, using SIP servlets
Level 3
Wholesale
Packet 8
Residential and small business
Parus Interactive
"SIP ASP. Webley Systems is a leading provider of SIP-based, speech-enabled Unified Communications and innovative messaging services. Webley also offers standalone, SIP-based voice mail and conferencing services."
Voicepulse
Consumer VoIP
VoEx
"VoEx offers an open, standards-based suite of products and services, providing businesses with the tools to direct, control and manage the flow of calls and data in their contact centers and essential telephony systems."
Vonage
Residential VoIP
Voice Commerce
Personal and business services

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Last updated by Henning Schulzrinne