Week 1 DQ 3
Soares, et al. (2008) review all the present protocol segments necessary for VoIP telephony. Protocol such as Session Initiation Protocol (SIP) and H.323 are prevalent but have limitations. Analyze and discuss the limitations of SIP and H.323 as presently used and include in your discussion effects of the proposed Advanced Multimedia System (AMS) protocol and whether it will fix the existing problems.