No Inv.: 118981-118983/P/Perp/09/3c
Internet Protocol (IP) telephony is an alternative to the traditional Public Switched Telephone Networks (PSTN), and the Session Initiation Protocol (SIP) is quickly becoming a popular signaling protocol for VoIP-based applications. SIP is a peer-to-peer multimedia signaling protocol standardized by the Internet Engineering Task Force (IETF), and it plays a vital role in providing IP telephony …
No Inv.: 125247/P/perp/10/1c~139585/P/Perp/14/1c
Bibliografi : hlm. 169-175