Hi, hope someone can help with this one. I've integrated a UCM 6.1 with an MD110 via a Cisco 2821 QSIG E1, the 2821 is managed by the UCM using MGCP. The integration works fine and calls flow across the QSIG. I cannot however get Caller ID from the PBX to the Cisco side, Caller ID works from the Cisco to the PBX fine. I've perfromed some debug isdn q931 and can see the calling/called numbers in both directions and I've added the following to my D channel.
isdn outgoing ie facility
isdn outgoing ie extended-facility
isdn outgoing display-ie
isdn outgoing ie connected-number
isdn outgoing ie connected-subaddr
isdn outgoing ie caller-number
isdn outgoing ie caller-subaddr
isdn outgoing ie called-number
isdn outgoing ie called-subaddr
I've followed some Cisco guides and they recommend checking the Display IE delivery under the MGCP gateway E1 config, unfortunately this is greyed out and cannot be checked.
Has anyone got any suggestions?