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CUCM Version 9 and SIP Trunk with Remote PBX

Hi Guys

We have in production mode CUCM version 4 connected throught sip trunk with remote pbx

With the version 4 we dont have any issues

We have rebuilt a cucm version 9

Now when we put in the production mode the cucm version 9 one sip trunk has problem with the incoimg calls

Outgoing is ok but the incoming calls from the remote site has no audio

We have tick the MTP into the trunk otherwise the outgoings not working

Attached is the traces for succesful outgoing call amd for the problematic incoming call with no audio            

Incoming call:

Calling number: 800879310007

Called Number: 0075

Outgoing call:

Calling number: 0075

Called Number: 800879310007

Please rate all useful posts Regards Chrysostomos ""The Most Successful People Are Those Who Are Good At Plan B""
2 Replies 2

Ayodeji Okanlawon
VIP Alumni
VIP Alumni

Chrys,

Looking at the logs, the call setuop was not done using SIP, It was done using h225. Which implies that this call setup arrived via a h323 connection..

I have also observed that the h323 setup was done using fast start. before we troubleshoot..Can you give us the accurate description of what this should be.

The working call used SIP for outbound call setup

00784479.002 |13:05:55.828 |AppInfo  |In  Message -- H225SetupMsg -- Protocol= H225Protocol

00784479.003 |13:05:55.828 |AppInfo  |Ie - H225BearerCapabilityIe -- IEData= 04 03 80 90 A3

00784479.004 |13:05:55.828 |AppInfo  |Ie - H225CallingPartyIe -- IEData= 6C 0E 00 80 38 30 30 38 37 39 33 31 30 30 30 37

00784479.005 |13:05:55.828 |AppInfo  |Ie - Q931CalledPartyIe -- IEData= 70 05 80 30 30 37 35

00784479.010 |13:05:55.829 |AppInfo  |SPROCRas - {

  h323-uu-pdu

  {

    h323-message-body setup :

      {

        protocolIdentifier { 0 0 8 2250 0 4 },

        sourceInfo

        {

          vendor

          {

            vendor

            {

              t35CountryCode 181,

              t35Extension 0,

              manufacturerCode 18

            }

          },

          gateway

          {

            protocol

            {

              voice :

                {

                  supportedPrefixes

                  {

                  }

                }

            }

          },

          mc FALSE,

          undefinedNode FALSE

        },

        activeMC FALSE,

        conferenceID 'CB8E4399F51111E296AB801FE2AA2F45'H,

        conferenceGoal create : NULL,

        callType pointToPoint : NULL,

        sourceCallSignalAddress ipAddress :

          {

            ip '0A041004'H,

            port 15963

          },

        callIdentifier

        {

          guid 'CB8EDFC1F51111E296AD801FE2AA2F45'H

        },

        fastStart

        {

00784479.011 |13:05:55.829 |AppInfo  |

          '0000000D4001800B050001000A04100449 ...'H,

          '400000060401004D40018012150001000A ...'H

        },

        mediaWaitForConnect FALSE,

        canOverlapSend FALSE,

        multipleCalls TRUE,

        maintainConnection TRUE,

        symmetricOperationRequired NULL

      },

    h245Tunneling TRUE

  }

00784479.012 |13:05:55.829 |AppInfo  |}

00784479.013 |13:05:55.829 |AppInfo  |fastStart 0 OpenLogicalChannel

00784479.014 |13:05:55.829 |AppInfo  |value FastStartOLC ::=

00784479.015 |13:05:55.829 |AppInfo  |{

  forwardLogicalChannelNumber 1,

  forwardLogicalChannelParameters

  {

    dataType audioData : g729 : 2,

    multiplexParameters h2250LogicalChannelParameters :

      {

        sessionID 1,

        mediaControlChannel unicastAddress : iPAddress :

            {

              network '0A041004'H,

              tsapIdentifier 18901

            },

        silenceSuppression TRUE

      }

  }

00784479.016 |13:05:55.829 |AppInfo  |}

00784479.017 |13:05:55.829 |AppInfo  |fastStart 1 OpenLogicalChannel

00784479.018 |13:05:55.829 |AppInfo  |value FastStartOLC ::=

00784479.019 |13:05:55.829 |AppInfo  |{

  forwardLogicalChannelNumber 1,

  forwardLogicalChannelParameters

  {

    dataType nullData : NULL,

    multiplexParameters none : NULL

  },

  reverseLogicalChannelParameters

  {

    dataType audioData : g729 : 2,

    multiplexParameters h2250LogicalChannelParameters :

      {

        sessionID 1,

        mediaChannel unicastAddress : iPAddress :

            {

              network '0A041004'H,

              tsapIdentifier 18900

            },

        mediaControlChannel unicastAddress : iPAddress :

            {

              network '0A041004'H,

              tsapIdentifier 18901

            },

        silenceSuppression TRUE

      }

  }

00785039.000 |13:06:14.058 |SdlSig   |H245SessionEstablishedFailure          |waitForCapabilitiesExchange    |H245Interface(1,100,185,6)       |H245SessionManager(1,100,28,6)

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"opportunity is a haughty goddess who waste no time with those who are unprepared"

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Hi aok

Thank you for your input

I have saw also the h225 messages but the client say that its sip connection for both ways

Lets check whats going on

Please rate all useful posts ,

Regards
Chrysostomos

""The Most Successful People Are Those Who Are Good At Plan B""

Please rate all useful posts Regards Chrysostomos ""The Most Successful People Are Those Who Are Good At Plan B""