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Good day, dear all,I kindly request your assistance in analyzing a case of signaling failure for incoming calls from a PSTN SIP trunk.Call flow:Service Provider → SIP → FW DMZ → GW 2921 → FW LAN → CUCM → IP PhoneThere are two different scenarios:Scen...

Team,         I'm trying to install Cisco UCM Version 15. Link- https://www.cisco.com/c/en/us/support/unified-communications/unified-communications-manager-version-15/model.html         As part of our internal compliance process, our Legal team has r...

RajMadhan by Level 1
  • 87 Views
  • 1 replies
  • 0 Helpful votes

Dears I have a voice gateway problem. We have a voice gateway connect to PBX using FXS port, and the phone is connected to the PBX. The voice gateway have two SIP trunk to CUCM Pub & Sub, and there is a MGCP gateway that managed by the CUCM. The MGCP...

kenji8462 by Level 1
  • 358 Views
  • 11 replies
  • 0 Helpful votes