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Protocol

MGCP

Media Gateway Control Protocol

Lab ready Full lab

Media Gateway Control Protocol in which Call Agents issue CRCX/MDCX/DLCX and signal requests to subordinate media gateways. SDP in the text messages describes RTP endpoints. Softswitches used it widely before SIP trunks absorbed many edge functions.

Domains

  • telephony

Layers

  • application
  • session
  • telecom

Tags

gatewaycall-agentephemeralsoftswitch

Sources

  • RFC 3435 (MGCP)

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RTP

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End-to-end media transport for audio/video: sequence numbers, timestamps, SSRC, and payload type. Usually over UDP; profile and format sp…

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SIP

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Text-based signaling for creating and managing sessions. Methods (INVITE, ACK, BYE, REGISTER…) and response codes resemble HTTP; SDP bodi…

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