Title	Distributed Architecture for Voice Integration in Data Networks
Author	Miguel Rodr?guez ?lvarez, Jaime G?mez Gil
Citation	Vol. 6  No. 12  pp. 219-225
Keywords	VoIP, SIP, H.323

Title	Secure Voice-over-IP
Author	Markus Dunte, Christoph Ruland
Citation	Vol. 7  No. 6  pp. 63-68
Keywords	Voice-over-IP, confidentiality, encryption, integrity, SRTP, SIP, H.323

Title	Different Approaches of interworking between SIP and H.323
Author	Shifta Ansari, Kashif Nizam Khan, Jinat Rehana, Nusrat Jahan Lisa, Shahriar Kaisar
Citation	Vol. 9  No. 3  pp. 232-239
Keywords	VoIP, SIP, H.323, Gateway, RTP, RCTP, H.225, H.450, SDP

Title	Asterisk Open Source to Implement Voice over Internet Protocol
Author	Ghossoon M.Waleed Al-Saadoon
Citation	Vol. 9  No. 6  pp. 39-42
Keywords	Debian, VoIP, Linux Operating System, H.323 protocol and Sisson Initiation protocol (SIP)