Which involves a user agent client, one or more proxy servers that determine which VoIP services are available from other servers or network devices, and one or more redirect servers that enable the user agent, which initiates a call, to determine the IP address of the destination user agent?
A)ITU E.164
B)ITU H.323
C)SIP
D)MGCP

Question

Quizplus · Accepted Answer

The scenario described refers to the Session Initiation Protocol (SIP) architecture, which involves a user agent client (initiating device), proxy servers (to determine available VoIP services), and redirect servers (to determine IP address of destination device). ITU E.164 is a standard for telephone numbering plans, ITU H.323 is a standard for video conferencing, and MGCP is a protocol for controlling media gateways.

Which Involves a User Agent Client, One or More Proxy