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TCAP begin with 0 contexts

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  • 3 replies
  • 1 subscriber
  • Postedover 5 years ago
Dialogic SS7 and SIGTRAN Signalling

TCAP begin with 0 contexts

  • ayrus
    Posted by
    on 21 Mar 2014 3:11 AM

    Hello everyone,

    We need some help with a problem we are encountering.

    Our application (PEER-A) is using  MAP/TCAP/SCCP. From a peer (PEER-B) we are receiving a TCAP begin message with 0 components.

    (It has the Source Transactio nID, dialogueRequest with a valid application context name)

    Is this a valid TCAP transaction? Unfortunately our PEER-B is closed for any such protocol level questions.

    What is the recommended approach for us to follow? What should PEER-A respond with?

    Currently, PEER-B is waiting in this state with no further messages and eventually the transaction is cleaned up by either of the peers.

    Any help greatly appreciated.

    thanks

    Ayrus
  • rushikesh
    Posted by
    on 21 Mar 2014 8:04 AM

    Hi,

    I think you should put your config files and ss7 logs from both sides
  • ayrus
    Posted by
    on 21 Mar 2014 3:55 PM

    Thanks for the response, would a pcap be helpful ? I cannot get access to the remote side logs.
  • rajesh
    Posted by
    on 24 Mar 2014 9:14 AM

    Hello,

    This is the behavior, where B first want to accepted the dialogue with A. In  this case upon receiving begin with no components , the A should send a continue with no component, with dialogue accepted.

    Thanks