[asterisk-users] SIP headers in outofcall messages

Jeff LaCoursiere jeff at jeff.net
Mon Oct 26 13:30:10 CDT 2015


Our custom application sets some SIP headers that we want passed to the 
called party via asterisk in a simple proxy setup.  It works fine for 
voice calls, but we also use SIP to send outofcall messages.  I notice I 
can't use SIP_HEADER() to get those custom SIP headers in outofcall 
messages.  Is this a bug?

I have this in sip.conf:


We can send and receive messages between extensions with this without 
issue.  In extensions.conf:

exten => _X.,1,Set(CHATNOSTORE=${SIP_HEADER(X-Semo-ChatNoStoreForward)})
exten => _X.,n,SIPAddHeader(X-Semo-ChatNoStoreForward: ${CHATNOSTORE})
[snip the parts that actually send on the message]

CHATNOSTORE gets set to "", even though I can see the header in a packet 

         0x0260:  654f 7267 3a20 6865 6c6c 6f0d 0a58 2d53 eOrg:.hello..X-S
         0x0270:  656d 6f2d 4368 6174 4e6f 5374 6f72 6546 emo-ChatNoStoreF
         0x0280:  6f72 7761 7264 3a20 666f 7277 6172 645f orward:.forward_
         0x0290:  7661 6c75 650d 0a0d 0a54 6573 7420 6d65 value....Test.me
         0x02a0:  7373 6167 6520 31 ssage.1

I'm not sure where to take this next... dive into the code for SIP_HEADER?



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