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How to configure H.323 PRI and Gateway on CUCM 10.x?




    This document explains how to configure the H.323 PRI and Gateway integration with the Cisco Unified Communications Manager (CUCM)10.x


    Follow these steps to add H.323 gateway to CUCM:

     Add a H.323 Gateway to CUCM 10.x

    1: In CUCM 10.x Administration, Choose Device > Gateway.

    2: Click the Add New button.

    3. Select  H323 Gateway for gateway type and

    4. Click Next

    5. On the Gateway configuration, enter

    Device name: (H.323 Gateway IP address)


    Device pool: Sanjose / Default

    Signaling port : 1720 by default

    Leaver other parameters to Default


    6. Click Save

    7. Click Reset button and Check whether the IP Address of the Gateway appears


    Configure the Voice Gateway for H.323 PRI

    To Configure the Voice Gateway for MGCP PRI,

    Open a telnet session to the router say at “Site-2” using putty



    Router# configure terminal

    Router(config)# isdn switch-type primary-ni command

    Router(config)# network-clock-participate wic 0


    Enter the controller configuration with


    # Controller t1 0/0/1

    framing esf

    linecode b8zs

    pri-group timeslots 1-24


    Type, # no shutdown

    Enter # Exit - to leave the controller configuration mode


    Enter interface configuration mode

    # interface fastethernet 0/0

    H323-gateway voip bind srcaddr



    Enter a dial-peer and destination patter

    # dial-peer voice 1 voip

    # destination-pattern 144123456…

    Session target ipv4:



    Enter dial-peer voice pots to create dial-peer for PSTN

    # dial-peer voice 2 pots

    destination-pattern 9.T


    port 0/0/1:23

    # Exit - to leave dial peer configuration mode

    # Exit – to leave configuration mode

    # write – to save router configuration


    Related Information



    Version history
    Revision #:
    2 of 2
    Last update:
    ‎08-29-2017 11:54 AM
    Labels (1)
    New Member



    New Member

    Excellent document for fresher is very useful for me.  

    New Member


    thanks, what about making call from external pstn like 0x xxxxxx * xxxx  to internal (after * is number of ip phone in 4 digits)