Issue with registering new event with evsub.c

[Muhammad Usman Shahid <usmanshahidmuhammad@xxxxxxxxx>]

Hello,

I am trying to add event "reg" to pjsip-simple. I can send SUBSCRIBE using my new event module but when I receive NOTIFY pjsip replies with 400 Bad Request.

PJSIP iterates over all of the pjsua modules and when none of the modules handle the request it sends 400.

I have added a pjsip_evsub_user structure for my event "reg" but its on_rx_notify callback is never called. Other callbacks are called i.e. on_evsub_state and on_tsx_state.

My subscribe message is as follows:

SUBSCRIBE sip:bob@xxxxxxxxxxxxx SIP/2.0
Via: SIP/2.0/UDP 223.1.1.8:4060;rport;branch=z9hG4bKPjsmxhZj9iwYZXjBCTuB0sdj4oW-Yrmfm8
Max-Forwards: 70
From: sip:bob@xxxxxxxxxxxxx;tag=M84OrZsudKTRY1Q1oszFbXH0ktj9WBkf
To: sip:bob@xxxxxxxxxxxxx
Contact: <sip:bob@223.1.1.8:4060;ob>;+sip.instance="<urn:gsma:imei:358429069569951>"
Call-ID: 8BYooo3JZwxeKkfizQV.YuBoa3IAu7iV
CSeq: 11538 SUBSCRIBE
Route: <sip:10.17.4.86:5060;lr>
Event: reg
Expires: 300
Accept: application/reginfo+xml
Allow-Events: presence, message-summary, reg
User-Agent: PJSUA v2.5.5 win32-1.0/i386
Content-Length:  0

And my notify message is as follows:

     NOTIFY sip:[remote_ip] SIP/2.0
     Via: SIP/2.0/[transport] [local_ip]:[local_port];branch=[branch]
     From: <sip:[service]@[local_ip]>;tag=[call_number]
     To: <sip:[service]@[local_ip]>
     Call-ID: [call_id]
     CSeq: [cseq] NOTIFY
     Contact: sip:[local_ip]:[local_port]
     Max-Forwards: 10
     Expires: 120
     User-Agent: SIPp/Win32
     Event: reg
     Subscription-State: active;expires=60000
     Content-Type: application/reginfo+xml

Best Regards,

Muhammad Usman Shahid,

Engineer

National University of Sciences and Technology,

School of Electrical Engineering and Computer Sciences,

Islamabad, Pakistan

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