References
- IETF iptel WG, http://www.ietf.org/html. charters/iptel-charter.html
- IETF RFC 2824. Call ProcessingLanguage Framework and Require ments , 05 2000
- J. Lennox, H. Schulzrinne, IETF draft-lennox-sip-reg-payload-01.ps,"Transporting User Control Information in SIP REGISTER Payloads", 10 2000
- IETF RFC 2543, 'SIP: SessionInitiation Protocol', 03 1999
- IETF draft ietf iptel cpl 06 ps, 'CPL: A Language for User Control of Internet Telephony Services', 01 2002
- 상현, 이종화, VoIP를 위한 호처리 언어 , 한국정보처리학회지 제8권 제2호, 03 2001
- http://www.indigosw.com/
- http://www.dynamicsoft.com/
- http://www.ubiquity.net/
- http://www.vovida.org/
- http://www.cs.columbia.edu/-lennox/Cal-Code/