[cisco-voip] H323 incoming calls not show callingname display and IOS h225 display-ie ccm-compatible

[Jason Aarons (AM)]

For the sake of Bing;

I have a test plan to  check for incoming callingname display on the 79XX phoness, it was failing.

I couldn't get callingname to work without adding "h225 display-ie ccm-compatbile".  I know H323/CallManager callingname display was only fixed a few years ago (before you had to use MGCP) but I wasn't aware of this command in  IOS 15. I had always use the isdn supp command in the int serial 0/0/0:23

Fix
voice service voip
h323
  h225 display-ie ccm-compatible



debug isdn q931
003197: Nov  3 20:00:40.222: ISDN Se0/0/0:23 Q931: RX <- FACILITY pd = 8  callref = 0x1A54
        Facility i = 0x9F8B0100A114020103020100800C4141524F4E53204A41534F4E
                Protocol Profile =  Networking Extensions
                0xA114020103020100800C4141524F4E53204A41534F4E
                Component = Invoke component
                        Invoke Id = 3
                        Operation = CallingName
                                Name Presentation Allowed Extended
                                Name = AARONS JASON

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