Home > External Links > Voice Over IP Resources

Rex Global Voice Over IP Resources

H.323/MGCP/SIP/QSIG

• Media Gateway Control (Megaco) Working Group - home page for the IETF's Megaco working group

• Media Gateway Control Protocol (MGCP) - Internet draft on MGCP

• Megaco and MGCP - Network Magazine's tutorial on Megaco (H.248) and a comparison with SIP, MGCP and H.323

• Open H.323 - Organization working on developing an open source H.323 stack

• QSIG Handbook - everything you ever wanted to know about QSIG but were afraid to ask 

• SIP Forum - Non-profit organization promoting SIP

• Session Initiation Protocol (SIP) - Information and resources on SIP

• SIP Overview - A Network World article detailing the Session Initiation Protocol

• The Session Initiation Protocol (SIP): A Key Component For Internet Telephony - Detailed article on SIP, by Computer Telephony

Miscellaneous Voice/Data Integration Sites

• Communications Convergence - CMP publication providing news, product guides, and information on convergence solutions

• International Multimedia Teleconferencing Consortium - Group promoting standards for multimedia teleconferencing interoperability

• IPxStream - Voice and FAX over IP market research and news

• PictureTel's Standards Page - Information on various multimedia standards

• Simple Gateway Control Protocol - Overview and resources for SGCP

• Stream Control Transmission Protocol - Information on SCTP development efforts for carrying phone signaling information within IP

• Telephony World - Resource for news, information and product info for the voice and data industry

• Voice and Data Convergence Tutorials - Network Magazine's tutorials on a variety of Voice and Data technologies including H.323 and G.7xx encoding

• Voice/Fax over Frame Relay vs. Voice/Fax over IP - A White Paper by Memotec comparing two methods for carrying voice traffic on data networks

Open Source VoIP/IP Telephony

• Asterisk - The Open Source Linux PBX. Supports traditional analog/digital voice services as well as VoIP

• Trabas - Open Source VoIP billing software

• Vovida - a communications community site dedicated to providing a forum for open source software used in datacom and telecom environments.

Voice Over IP/IP Telephony

• An overview of planning and implementing Voice over "X" technologies - Cisco white paper on preparing for VoIP

• IMTC iNOW! - a broad-based, multi-vendor initiative established to quickly provide IP telephony interoperability

• InternetTelephony.com - News, market and technical information about IP telephony

• IP-Centrex - Site for sharing information on IP Centrex technologies and markets

• IPxStream - Voice and Fax over IP news, information and market research

• Pulver.com - Self proclaimed "voice of the IP communications industry" - loads of news and market information on VoIP

• Understanding Delay in Packet Voice Networks - Cisco white paper on analyzing and designing for delay in VoIP

• Voice Over IP - An extensive collection of links to VoIP information

• Voice over IP, The Way It Should Be - Network Computing Article by David Willis on deploying Voice over IP

• VoIP Calculator - offers free VoIP resources, including online bandwidth calculators, white papers, books, a directory and a forum

• VoIP Times - News and information on VoIP

• VoIP Watch - News and industry information on VoIP

• VoIP White Papers - Inno Media's collection of papers on VoIP and IP Telephony

• VoIP White Papers - A collection of  white papers by Neura on topics relating to VoIP

• Voice over Packet Tutorial - Web Pro Forums' tutorial on VoIP

• Voice over Packet (VOP) White Paper - an overview of VoIP technologies and application issues