Signaling

Annotations:

• New beginning

1. Gen & Xchange Control Info To establish, mon & tear conn.
2. Components of VOIP
   1. GATEWAY

      Annotations:

      • Translation between VoIP and non-VoIP networks,
      1. translation between VoIP and non-VoIP networks,
      2. Termination point for Digital, Analog, Key sets, Fax, modem & PBX
   2. GATEKEEPER

      Annotations:

      • Call Admission Control (CAC), bandwidth control and management, and address translation.

      Attachments:

      • Flash Cards
      1. CAC, BW con & mgmt, and Add Xlation.
   3. MCU
      1. provides real-time connectivity for participants in multiple locations to attend the same videoconference or meeting.
   4. CALL AGENT
      1. Provides Call Control for IP phones, BW control and mgmt, CAC, address translation services.
         1. Unlike GATKEEPER which runs on a router this runs on a server platform. Eg. of VCall Agent - CUCM
3. SS7 - dedicated signaling channel