Thursday, February 9, 2012

ISDN shows TEI_ASSIGNED status on MGCP gateway

My environment:  IOS 12.4(23)T3 advanced enterprise, 2821

When I try to config the MGCP using the ccm-manager config server, in "show ccm-manager" it shows the gateway is registered to UCM successfully:

Priority        Status                   Host
============================================================
Primary         Registered               192.168.20.2
First Backup    Backup Ready             192.168.20.1
Second Backup   None                     

However when I do "show isdn status", the Layer 2 status shows:

State = TEI_ASSIGNED

A router reload solved the problem, you should see

State = MULTIPLE_FRAME_ESTABLISHED

in "show isdn status" Layer 2 status.


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3 comments:

  1. BorisFebruary 9, 2012 at 6:05 PM

    reset gw in CUCM and reload the router

    OR

    reset gw in CUCM and

    conf t
    voice-port 0/0/0:23
    shut
    inter ser 0/0/0:23
    no isdn bind-l3
    controll t1 0/0/0
    shut
    no shut
    inter ser 0/0/0:23
    isdn bind-l3 ccm
    no mgcp
    mgcp

    ReplyDelete
  2. UnknownFebruary 9, 2012 at 6:09 PM

    Thanks Boris, I tried your second method, although it shows MULTIPLE_FRAME_ESTABLISHED, the call cannot route through and reload the router is the only way I have found it working.

    ReplyDelete
  3. @MCLNicolasFebruary 4, 2013 at 11:18 PM

    Because you have to do:

    no mgcp bind control source-interface ..
    mgcp bind control source-interface ..

    no mgcp
    mgcp

    show isdn status

    try to call and it will work :)

    ReplyDelete