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Set B Channel ID information to Preferred in MGCP Gateway

Hi All,

 

We recently had some E1 PRI issues and our Service Provider has asked us to set B Channel ID information to Preferred.

We are using a MGCP Gateway with CUCM 9.1.2

When we enable ISDN debug we could see the Channel ID as Exclusive.

 

Jul 25 13:02:07.566: ISDN Se0/0/0:15 Q931: TX -> SETUP pd = 8  callref = 0x0043

        Sending Complete

        Bearer Capability i = 0x8090A3

                Standard = CCITT

                Transfer Capability = Speech

                Transfer Mode = Circuit

                Transfer Rate = 64 kbit/s

        Channel ID i = 0xA98381

                Exclusive, Channel 1

I tried to change it to Preferred by configuring the command, "isdn negotiate-bchan"   under the serial interface but still debug shows it as Exclusive only.

Let me know whether we can change the B Channel information either in CUCM or MGCP Gateway.

 

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1 REPLY

Hi Can you try the below:-1-

Hi

 

Can you try the below:-

1- interface x/x/x:15

isdn protocol-emulate network

 isdn bchan-number-order ascending

then test again

2-Go to CUCM - gateway and do the below

CHANNEL IE TYPE " TIMESLOTS " 

 

Thanks

please rate all useful information

 

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