a quick google search for isdn cause codes gives this:
http://72.14.253.104/search?q=cache:mTG1cVFR5hIJ:www.quintum.com/support/xplatform/network/Q931_Disconnect_Cause_Code_List.pdf+isdn+cause+codes&hl=en&ct=clnk&cd=3&gl=us
Used to report a protocol error event only when no other cause in the
protocol error class applies.
127
7F
Interworking, Unspecified.
Indicates that there has been interworking with a network which does not
provide causes for actions it
takes. Thus, the precise cause for a message which is being sent cannot
be ascertained.
Thomas Stein wrote:
Hello.
Someone knows what cause 127 mean. The phone that i'm calling rings once and
than the connection interrupts:
P[ 5] --> l3id:10040
P[ 5] --> cause:127
P[ 5] --> out_cause:127
P[ 5] --> state:ALERTING
P[ 5] --> Channel: mISDN/5-1 hanguped new state:CLEANING
P[ 5] $$$ CLEANUP CALLED pid:3
best regards
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