[asterisk-users] Zap disconnect

[David Bath]

Hi List,

 

I'm having a bit of an odd problem with asterisk and outgoing zap calls.

 

Tzafrir has been kind enough to help me get the logging sorted out so I
have some idea of what's going wrong, but I'm a little flummoxed.

 

Essentially the symptoms are as follows;

 

Make a SIP call from Cisco 7960 or 7940 to asterisk, where it is routed
out on a ZAP (x100p) line.

After exactly 2mins 40seconds (+- 1sec) the call is hung up, "normal
clearing" (although obviously it's actually an analogue line)

 

The same symptoms are not experienced with incoming calls on the same
zap line, nor with internal SIP-->SIP calls, or external SIP-->SIP or
SIP-->IAX calls.

 

With full logging enabled, just before the hang up, this is written to
the log:

 

Oct 26 18:04:59 DEBUG[10822] chan_sip.c: = No match Their Call ID:
5907c40463e18 ebd6d9c2136105a444a at voipfone.co.uk Their Tag as6e46885a
Our tag: as2b18a370 Oct 26 18:04:59 DEBUG[10822] chan_sip.c: = Found
Their Call ID: 003094c4-4ea9000

8-37353896-0b0743f4 at 10.0.1.6 Their Tag 003094c44ea90008745cabf1-6f4660c7
Our tag

: as56514c99

Oct 26 18:04:59 DEBUG[10822] chan_sip.c: **** Received CANCEL (14) -
Command in SIP CANCEL Oct 26 18:04:59 DEBUG[10865] channel.c: Hanging up
channel 'Zap/2-1'

Oct 26 18:04:59 DEBUG[10865] chan_zap.c: zt_hangup(Zap/2-1) Oct 26
18:04:59 DEBUG[10865] chan_zap.c: Hangup: channel: 2 index = 0, normal =
21, callwait = -1, thirdcall = -1

 

Which seems to indicate that the phone actually issued a cancel (of
course, unless I'm reading it wrong).

 

Has anyone seen this before? Or had any ideas of what it could be?  Or
even just where to start looking...

 

Very best regards,


Dave

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