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New Member

Outbound caller ID values on ISDN PRI will not take when transmitted to the PSTN

Below are errors from a Q931 debug for a Vz PRI circuit. caller ID that we place on the line using  is not what goes out to the PSTN. Items that standout are:
  • Cause i = 0x82E46C - Invalid information element contents 
  • Cause i = 0x82AB6C - Access information discarded

The ISDN line config on our end is:

controller T1 0/0/0
 cablelength long 0db
 pri-group timeslots 1-24

isdn switch-type primary-ni
 isdn switch-type primary-ni
 isdn incoming-voice voice
 isdn map address . plan unknown type unknown


Oct 29 21:59:57.497 GMT: ISDN Se0/0/0:23 Q931: TX -> SETUP pd = 8  callref = 0x0AEB 
    Bearer Capability i = 0x8090A2 
        Standard = CCITT 
        Transfer Capability = Speech  
        Transfer Mode = Circuit 
        Transfer Rate = 64 kbit/s 
    Channel ID i = 0xA98397 
        Exclusive, Channel 23 
    Progress Ind i = 0x8183 - Origination address is non-ISDN  
    Calling Party Number i = 0x0080, '7605551212' 
        Plan:Unknown, Type:Unknown 
    Called Party Number i = 0x80, '14155551212' 
        Plan:Unknown, Type:Unknown
Oct 29 21:59:57.561 GMT: ISDN Se0/0/0:23 Q931: RX <- STATUS pd = 8  callref = 0x8AEB 
    Cause i = 0x82E46C - Invalid information element contents 
    Cause i = 0x82AB6C - Access information discarded 
    Call State i = 0x01
  • IP Telephony
Everyone's tags (1)

Hi,I am based in the UK so I


I am based in the UK so I am not sure if this will apply in your country but what I do is capture the debug isdn q931 for an incoming call and then use voice translation rules to make sure what gets sent on outbound calls matches in terms of number of digits etc.


New Member

This is what I did for a PRI

This is what I did for a PRI T1 site, H323 gateway and CUCM not CME


In CUCM 9.1 under DEVICE/GATEWAY/ on the gateway we have/Call Routing Information - Outbound Calls/Caller ID DN/PUT IN THE NUMBER YOU WANT TO GO OUT


see attached picture.

New Member

Thanks for the response. I

Thanks for the response. I should have mentioned that this location uses a Callmanager Express (CME). The entire config resides on the router.


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