For a list of VOIP to PSTN service providers, indexed by country, please see:

• VOIP Service Providers Residential - for retail level products
• VOIP Service Providers Business - multiline small business products and PBX systems
• VOIP Service Providers B2B - whoesale and bulk products, products for resale
• VOIP Service Providers T.38 - VOIP providers offering T.38 fax service (very few exist)
• RIP VOIP VOIP provider cemetery
• Virtual PBX providers

PLEASE DO NOT ADD NEW CATEGORIES HERE.

VOIP provider services, exchanges and other business deals belong under VOIP Service Providers B2B

Please keep your entry alphabetized in relation to the other entries in your section.
If you add a new entry, including an 'added on dd/mmm/yy' would make it easier to notice.

Miscellaneous VOIP related services, including peer-to-peer services, are listed below.

Peer to Peer Service

VOIP software and services that do not depend on a central service provider, but rather clients communicate directly with each other peer-to-peer.*

• Amphone-africa - Free P2P phone, calling cards with competitive rates
• Cliconnect - Canada - Brazil
• Damaka - Skype-like application based on SIP
• DingoTel - Free P2P Phone Calls, regular PSTN phone calls, push to talk for walkie talkies.
• Encounta, VoIP brandband provider for virtual operators : Ova-IP microgateway with internal LCR and prepaid features for global calling
• Free World Dialup, aka FWD
• http://www.jscommunication.uswholeale provider offering toll free origination, us termination, dids and more.
• Gizmo Project, via SIPphone.com
• HotTelephone.com has relaunched its FREE PC2Phone and Phone2PC service on the Asterisk Platform
• iCall offers free outbound long distance, free incoming calls and peer to peer calling.
• IsraelNumber.com free in-network P2P phone calles, DID numbers in Israel, cellular access numbers, multi channels solutions, tansfer of calls to Skype users.
• http://www.iptalk.co.il - P2P VOIP
• IPvaani enables phones to communicate over your existing broadband internet connection to make and receive phone calls for FREE.
• IPBusinessFree P2P Phone Calls and pstn calls service, the best prices of call to Peru
• MaxiSIP Free SIP service, Free Long Distance Calls!
• MediaRoutes Free SIP service, Free Long Distance Calls and more!
• PeerCall - A hardware phone with peer-to-peer service
• PeerioBiz - serverless peer-to-peer package for small-medium size business => version 1.1 Beta is a current release
• Phoneopia FREE p2p Calls and pstn calls service
• PhoneGnome - Free P2P SIP calls. Web-based, PC-based, and hardware (BYOD or custom box). Cheap VoIP-PSTN calls.
• RAKETU Free, NO SUPERNODES,dialup/broadband, softphone, bridge to Skype,any IM, SMS, ftp, search, travel, news/weather/stock, media player,picture viewer, true p2p technology, RakOut/DialOut calling.
• P2P VoIP Services - P2P VoIP with cutting edge solutions.
• SkySipTel.com VoIP Services - VOIP Service provider for residential, small business and large corporates - Free minutes to any destinations on signup.
• Skype now owned by E-bay, one of the best known and largest p2p VOIP services
• Talkfly - ABSOLUTELY FREE Peer-to-peer SIP calls vis softphones or SIP hardware. Local DIDs also available to over 7000 ratecenters. Asterisk Supported.
• TELEQUANT P2P - PC to Phone, PC to PC, Free SIP calls.
• VOIP Service provider reviews - Reviews of uk voip service providers.
• VirPhone VOIP Service provider for residential, small business and large corporates - VirPhone the global VoIP telecommunications company (Franchises Available)
• Quivoice Free P2P comunication, regular PSTN phone calls low rates.
• Zoonte Click&Call - free peer to peer phone calls via SIP phone. Bottom rate calls to landlines or mobile phones.

Wi-fi GSM VoIP Providers

Services that provide wi-fi / gsm / voip products

• VIPN - Voice Internet Phone Network GSM Wi-Fi Mobile phones with VoIP embeded.
• VoIP Service
• Radiant Resources, Inc.
• Care Telecom Turn your mobile into an office extension with WIFI VOIP from Care Telecom
• Broadband Phone Service
• FAHR TELECOM Full service VoIP provider (videophones, equipment, centrex, IP PBX, SIP IAX Accounts) worldwide.
• IPtransit SME, Call Centre;s, Military, Corporate provider. Sip, H323, SIP URI, Inbound, LoCall Plans, PC and Mobile Phone clients, fring, well suited to VSAT, SCPC, ADSL, DSL, even Dialup and other contended bandwidth clients, 723.1, &29, 711 and true T38, Calling cards and GSM Gateways, BYOD welcome, test accounts.
• Iristel 100% Canadian Telephone Company. Unlimited Extended plan from $15.95. Iristel seamlessly bridges the gap between IP networks and the PSTN via IP Trunking. Iristel's VoIP solution is ideal for Calling Card, VoIP carriers, CLEC's, Asterisk owners and virtual carriers requiring local service within Canada. Iristel also offers virtual T.38 faxing solutions both inbound & outbound as well as FMC (Fixed Mobile Convergence) solutions for roamers that don't want to pay the roaming fees.
• {http://www.jscommunication.us} {VoIP Provider} wholsale toll free origination, dids, us termination, licensed 214 carrier.
• VoIP Service, Voip Providers VoIP lets you make calls through your computer, sometimes for free. Learn how VoIP works, find reviews of VoIP phones and learn how to make free VoIP calls.
• IP Gear Qualmax IncManufacturer of AES Encrypted VoIP gateway in 4,8,16 port analog and 1,2 T1/E1 for the SMB market. Full service VoIP provider (equipment, billing solutions and direct routes) including Termination Partnerships worldwide.
• IPsmarx Technology, Inc. GSM Solution Provider, GSM Hardware Provider, International Wholesale VoIP Provider, Turn-Key VoIP Solution Provider
• VoIP Phone Service Call from anywhere in the world where you have access to a wireless Internet connection (Wi-Fi). No roaming charges, no wires!