There is already a thread about this. Search for NOTIFY in the subject.
Basically you just need to set: the tag:
NUTAG_APPL_METHOD("NOTIFY")
When you create the NUA agent.
But you have to handle the handles for unsubscribed NOTIFY different
than a subscribed NOTIFY in the callback.
Colin..
Sluschny, Thomas wrote:
Hi,
i
have a SIP device which sends me NOTIFY messages, but i cannot get
these messages because i have to subscribe before get NOTIFYs (in the
clean SIP way).
Is
it possible to get these NOTIFYs (with nua callback) without
subscription?
Here
an example NOTIFY and answer:
recv 489 bytes from
udp/[192.168.1.1]:5060 at 14:29:51.073734:
------------------------------------------------------------------------
NOTIFY sip:[EMAIL PROTECTED] SIP/2.0
Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK1993237025
From: <sip:[EMAIL PROTECTED]>;tag=3460141187
To: <sip:[EMAIL PROTECTED]>
Call-ID: [EMAIL PROTECTED]
CSeq: 1 NOTIFY
Contact: <sip:[EMAIL PROTECTED]>
Max-Forwards: 70
User-Agent: oSIP/NRE-0.9.6
Event: SIPa
Content-Type: application/sdp
Content-Length: 131
v=0
o=1 3179949743 3179949743 IN IP4 192.168.1.1
s=SIPa Session
c=IN IP4 192.168.1.1
t=0 0
a=X-SIPaMnt:rstf/ECD EAPP-0039-12
------------------------------------------------------------------------
send 257 bytes to udp/[192.168.1.1]:5060 at 14:29:51.073734:
------------------------------------------------------------------------
SIP/2.0 481 Subscription Does Not Exist
Via: SIP/2.0/UDP 192.168.1.1:5060;branch=z9hG4bK1993237025
From: <sip:[EMAIL PROTECTED]>;tag=3460141187
To: <sip:[EMAIL PROTECTED]>;tag=NgtF6g5QK7QXg
Call-ID: [EMAIL PROTECTED]
CSeq: 1 NOTIFY
Content-Length: 0
------------------------------------------------------------------------
Here
a nua callback with NOTIFY content would be very nice :)
Thanks
in advance,
Thomas
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