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TMGI - Temporary Mobile Group Identity

The TMGI is a radio resource efficient mechanism for identifying an MBMS Bearer Service (as opposed to using the IP Multicast Address and Access Point Name). Initially allocated by the BM-SC (Broadcast Multicast Service Center), the TMGI for a specific MBMS multicast service is provided to the mobile during the MBMS Multicast Service Activation procedure.

NetX

  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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