SIP Service Providers and Carriers

8x8
Small business cloud VoIP provider
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)
BroadConnect
Hosted PBX, SIP trunking, hosted call center, Microsoft Lync
Broadview Networks
Hosted phone system
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
GetVoIP
List of SIP trunking providers
Ipsofactum
located in Colombia
Lingo
retail
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
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 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
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."
TollFree Forwarding
"TollFreeForwarding.com offers the best service and prices available on a SIP PBX. Our website allows you to pick your own number, have it activated within 3 minutes, and manage your call forwarding and other smart features online. Best of all, there are no contracts, and you can cancel anytime."
UtterU
App, web and international dial-around provider
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."
VoIP Invite
"With experience nearing a decade in handling multiple 100s of calls per second per client and processing 100s of millions of calls per day, VoIPInvite is the carrier of choice for many large enterprises with high call volume SIP termination requirements. VoIPInvite's solid foundation, financial strength and excellent track record enable us to retain and continuously enhance long term partnerships, enabling us to be best suited to offer customized configuration and pricing models for our clients' varying wholesale SIP Trunk application requirements."
Vonage
Residential VoIP
Voice Commerce
Personal and business services

Other lists


Last updated by Henning Schulzrinne