<--- SIP read from TLS:client_pub_ip:5063 --->
SUBSCRIBE sip:capbxsrv01@asterisk_pub_ip:5061;transport=TLS SIP/2.0
Accept: application/simple-message-summary
Via: SIP/2.0/TLS 192.168.88.251:5063;branch=z9hG4bKe2a83150beb600265;rport
Max-Forwards: 70
From: "Slava Bendersky" <sips:10101@networklab.ca>;tag=319a49542c
To: <sips:10101@networklab.ca>;tag=as3fc8560a
Call-ID: c96c2a56ac83fa2c
CSeq: 1541747864 SUBSCRIBE
Allow: ACK, BYE, CANCEL, INVITE, MESSAGE, NOTIFY, OPTIONS, REFER, SUBSCRIBE, UPDATE
Allow-Events: message-summary
Authorization: Digest username="10101",realm="networklab.ca",nonce="00a2cb0d",uri="sip:capbxsrv01@asterisk_pub_ip:5061;transport=TLS",response="0468bd844318899ad5132cf5db31309f",algorithm=MD5
Contact: <sips:10101@192.168.88.251:5063>;audio
Event: message-summary
Expires: 0
Supported: eventlist, replaces, timer
User-Agent: Media5-fone/4.1.6.3283 Android/5.0.2
Content-Length: 0


<------------->
--- (17 headers 0 lines) ---
Found peer '10101' for '10101' from client_pub_ip:5063
[2015-04-10 09:15:09] NOTICE[20189]: chan_sip.c:16436 check_auth: Correct auth, but based on stale nonce received from '"Slava Bendersky" <sips:10101@networklab.ca>;tag=319a49542c'
[2015-04-10 09:15:09] NOTICE[20189]: chan_sip.c:16436 check_auth: Correct auth, but based on stale nonce received from '"Slava Bendersky" <sips:10101@networklab.ca>;tag=319a49542c'

<--- Transmitting (NAT) to client_pub_ip:5063 --->
SIP/2.0 401 Unauthorized
Via: SIP/2.0/TLS 192.168.88.251:5063;branch=z9hG4bKe2a83150beb600265;received=client_pub_ip;rport=5063
From: "Slava Bendersky" <sips:10101@networklab.ca>;tag=319a49542c
To: <sips:10101@networklab.ca>;tag=as3fc8560a
Call-ID: c96c2a56ac83fa2c
CSeq: 1541747864 SUBSCRIBE
Server: FPBX-2.11.0(11.15.1)
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
WWW-Authenticate: Digest algorithm=MD5, realm="networklab.ca", nonce="22c24e96", stale=true
Content-Length: 0


<------------>
Scheduling destruction of SIP dialog 'c96c2a56ac83fa2c' in 6400 ms (Method: SUBSCRIBE)
    -- Registered SIP '10101' at client_pub_ip:5064
Reliably Transmitting (NAT) to client_pub_ip:5063:
NOTIFY sips:10101@192.168.88.251:5063 SIP/2.0
Via: SIP/2.0/TLS asterisk_pub_ip:5061;branch=z9hG4bK5ca892ba;rport
Max-Forwards: 70
Route: <sips:10101@192.168.88.251:5063>
From: "capbxsrv01" <sip:capbxsrv01@asterisk_pub_ip>;tag=as3fc8560a
To: <sip:sips:10101@192.168.88.251:5063>;tag=319a49542c
Contact: <sip:capbxsrv01@asterisk_pub_ip:5061;transport=TLS>
Call-ID: c96c2a56ac83fa2c
CSeq: 103 NOTIFY
User-Agent: FPBX-2.11.0(11.15.1)
Event: message-summary
Content-Type: application/simple-message-summary
Subscription-State: active
Content-Length: 104

Messages-Waiting: no
Message-Account: sip:*97@asterisk_pub_ip;transport=TLS
Voice-Message: 0/97 (0/0)

---