Hello Everyone,
How to handle NOTIFY in dialog when pbx return 202 OK from SUBSCRIBE and NOTIFY is not routed back to client.
Please see attached trace or fpaste link.

https://paste.fedoraproject.org/paste/zMzLoYIl6bFlSCBuw~6u3l5M1UNdIGYhyRLivL9gydE=


I tried

               if(is_method("NOTIFY")) {
                       remove_hf("Route");
                       remove_hf("Record-Route");
                       $du = $ru;
               }


volga629
2017/04/26 00:34:24.716822 client_public_ip:45740 -> 158.69.151.95:5082
SUBSCRIBE sip:[email protected] SIP/2.0
Via: SIP/2.0/TCP 
192.168.88.164:42729;branch=z9hG4bK-524287-1---80616f41ca8cea15;rport
Max-Forwards: 70
Contact: 
<sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp>
To: <sip:[email protected]>
From: "volga629"<sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 1 SUBSCRIBE
Expires: 3600
Accept: application/simple-message-summary
Allow: INVITE, ACK, CANCEL, BYE, REFER, INFO, NOTIFY, OPTIONS, UPDATE, PRACK, 
SUBSCRIBE, MESSAGE
User-Agent: Bria Android 3.9.2 build 96033
Event: message-summary
Content-Length: 0



2017/04/26 00:34:24.717610 10.18.130.27:5060 -> 10.18.130.26:5160
SUBSCRIBE sip:[email protected] SIP/2.0
Record-Route: <sip:10.18.130.27;r2=on;lr;ftag=19454919>
Record-Route: <sip:158.69.151.95:5082;transport=tcp;r2=on;lr;ftag=19454919>
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK605b.a1987863.0;i=a66cd764
Via: SIP/2.0/TCP 
192.168.88.164:42729;received=client_public_ip;branch=z9hG4bK-524287-1---80616f41ca8cea15;rport=45740
Max-Forwards: 69
Contact: 
<sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp>
To: <sip:[email protected]>
From: "volga629"<sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 1 SUBSCRIBE
Expires: 3600
Accept: application/simple-message-summary
Allow: INVITE, ACK, CANCEL, BYE, REFER, INFO, NOTIFY, OPTIONS, UPDATE, PRACK, 
SUBSCRIBE, MESSAGE
User-Agent: Bria Android 3.9.2 build 96033
Event: message-summary
Content-Length: 0



2017/04/26 00:34:24.721935 10.18.130.26:5160 -> 10.18.130.27:5060
SIP/2.0 202 Accepted
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK605b.a1987863.0;i=a66cd764
Via: SIP/2.0/TCP 
192.168.88.164:42729;received=client_public_ip;branch=z9hG4bK-524287-1---80616f41ca8cea15;rport=45740
Record-Route: <sip:10.18.130.27;r2=on;lr;ftag=19454919>
Record-Route: <sip:158.69.151.95:5082;transport=tcp;r2=on;lr;ftag=19454919>
From: "volga629" <sip:[email protected]>;tag=19454919
To: <sip:[email protected]>;tag=WOIpZyoSINJC
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 1 SUBSCRIBE
Contact: <sip:[email protected]:5160>
Expires: 60
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Length: 0



2017/04/26 00:34:24.722268 158.69.151.95:5082 -> client_public_ip:45740
SIP/2.0 202 Accepted
Via: SIP/2.0/TCP 
192.168.88.164:42729;received=client_public_ip;branch=z9hG4bK-524287-1---80616f41ca8cea15;rport=45740
Record-Route: <sip:10.18.130.27;r2=on;lr;ftag=19454919>
Record-Route: <sip:158.69.151.95:5082;transport=tcp;r2=on;lr;ftag=19454919>
From: "volga629" <sip:[email protected]>;tag=19454919
To: <sip:[email protected]>;tag=WOIpZyoSINJC
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 1 SUBSCRIBE
Contact: <sip:[email protected]:5160>
Expires: 60
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Length: 0



2017/04/26 00:34:24.799396 10.18.130.26:5160 -> 10.18.130.27:5060
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bKK0pgH7Z9U4N5a
Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Record-Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Max-Forwards: 70
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:24.799936 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK45f7.a189af13.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKK0pgH7Z9U4N5a
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94
P-hint: rr-enforced

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:25.241424 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK45f7.a189af13.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKK0pgH7Z9U4N5a
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94
P-hint: rr-enforced

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:25.801528 10.18.130.26:5160 -> 10.18.130.27:5060
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bKK0pgH7Z9U4N5a
Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Record-Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Max-Forwards: 70
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:26.243065 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK45f7.a189af13.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKK0pgH7Z9U4N5a
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94
P-hint: rr-enforced

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:27.803829 10.18.130.26:5160 -> 10.18.130.27:5060
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bKK0pgH7Z9U4N5a
Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Record-Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Max-Forwards: 70
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:28.196186 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK45f7.a189af13.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKK0pgH7Z9U4N5a
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Contact: <sip:[email protected]:5160>
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: active;expires=60
Content-Type: application/simple-message-summary
Content-Length: 94
P-hint: rr-enforced

Messages-Waiting: yes
Message-Account: sip:[email protected]
Voice-Message: 3/5 (0/0)



2017/04/26 00:34:28.997834 10.18.130.27:5060 -> 10.18.130.26:5160
SIP/2.0 408 Request Timeout
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKK0pgH7Z9U4N5a
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496903201 NOTIFY
Server: OpenSIPS (2.4.0-dev (x86_64/linux))
Content-Length: 0



2017/04/26 00:35:35.123959 10.18.130.26:5160 -> 10.18.130.27:5060
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bKNj91mX1gpp2aj
Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Record-Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Max-Forwards: 70
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0



2017/04/26 00:35:35.124677 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK20c1.e1913d26.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKNj91mX1gpp2aj
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0
P-hint: rr-enforced



2017/04/26 00:35:35.665259 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK20c1.e1913d26.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKNj91mX1gpp2aj
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0
P-hint: rr-enforced



2017/04/26 00:35:36.127996 10.18.130.26:5160 -> 10.18.130.27:5060
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bKNj91mX1gpp2aj
Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Record-Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Max-Forwards: 70
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0



2017/04/26 00:35:36.666934 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK20c1.e1913d26.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKNj91mX1gpp2aj
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0
P-hint: rr-enforced



2017/04/26 00:35:38.131998 10.18.130.26:5160 -> 10.18.130.27:5060
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.26:5160;rport;branch=z9hG4bKNj91mX1gpp2aj
Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Record-Route: <sip:10.18.130.27>;r2=on;lr;ftag=19454919
Max-Forwards: 70
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0



2017/04/26 00:35:38.620153 10.18.130.27:5060 -> client_public_ip:45740
NOTIFY sip:4310@client_public_ip:45740;rinstance=d212d491ee2ef018;transport=tcp 
SIP/2.0
Via: SIP/2.0/UDP 10.18.130.27:5060;branch=z9hG4bK20c1.e1913d26.0
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKNj91mX1gpp2aj
Max-Forwards: 69
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Contact: <sip:[email protected]:5160>
Expires: 0
User-Agent: B2BUA01
Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, 
NOTIFY, PUBLISH, SUBSCRIBE
Supported: timer, path, replaces
Event: message-summary
Allow-Events: talk, hold, conference, presence, as-feature-event, dialog, 
line-seize, call-info, sla, include-session-description, presence.winfo, 
message-summary, refer
Subscription-State: terminated;reason=noresource
Content-Length: 0
P-hint: rr-enforced



2017/04/26 00:35:40.423182 10.18.130.27:5060 -> 10.18.130.26:5160
SIP/2.0 408 Request Timeout
Via: SIP/2.0/UDP 
10.18.130.26:5160;received=10.18.130.26;rport=5160;branch=z9hG4bKNj91mX1gpp2aj
From: <sip:[email protected]>;tag=WOIpZyoSINJC
To: "volga629" <sip:[email protected]>;tag=19454919
Call-ID: 141351_rel51MmE1NzUzNzkxMmNhYjFhODg1NjcxYTkxOWEzYjcxMjM
CSeq: 496906751 NOTIFY
Server: OpenSIPS (2.4.0-dev (x86_64/linux))
Content-Length: 0

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