SIP proxy servers are used primarily in ________.
A) RTP packets
B) signaling transmissions
C) transport transmissions
D) PSTN

Question

Quizplus · Accepted Answer

SIP (Session Initiation Protocol) proxy servers are primarily used in signaling transmissions for initiating, managing, and terminating voice, video, and messaging applications over IP networks. They are not used for RTP packets, transport transmissions, or directly within the Public Switched Telephone Network (PSTN), although they can interface with PSTN systems.

SIP Proxy Servers Are Used Primarily in ________