Decoding QSIG/Q931 FACILITY Messages

Nov 15, 2005 0 Replies

Do any of you know how to interpret the "Facility i = " field in the output of "debug isdn q931" ? I'm trying to debug some QSIG call transfer and path replacement stuff and I can't figure out what I'm even looking at.



As an example (taken from a Cisco router):


*Nov 10 19:12:56.031: ISDN Se0/0/0:23 Q931: TX -> FACILITY pd = 8 callref = 0x0022 Facility i =
0x9FAA068001008201008B0100A11F02020A0002010C30160A0101A00EA5090A010412043738
32300A01030A0100

How do I figure out which q931 message that actually is? It is most likely a QSIG call transfer message, but I need to know for sure, and I also need to figure out which messages in my logs are QSIG path replacement messages.



Any ideas?



Thanks! John



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