Signaling

Signaling

1. Gen & Xchange Control Info To establish, mon & tear conn.

2. Components of VOIP

   • GATEWAY
     • Translation between VoIP and non-VoIP networks,
     • translation between VoIP and non-VoIP networks,
     • Termination point for Digital, Analog, Key sets, Fax, modem & PBX
   • GATEKEEPER
     • Call Admission Control (CAC), bandwidth control and management, and address translation.
     • Flash Cards
     • CAC, BW con & mgmt, and Add Xlation.
   • MCU
     • provides real-time connectivity for participants in multiple locations to attend the same videoconference or meeting.
   • CALL AGENT
     • Provides Call Control for IP phones, BW control and mgmt, CAC, address translation services.
       • Unlike GATKEEPER which runs on a router this runs on a server platform. Eg. of VCall Agent - CUCM

3. SS7 - dedicated signaling channel