SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP nm;rport=43267;received=*.*.*.*;branch=foo
Call-ID: 50000
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=foo
CSeq: 42 OPTIONS
WWW-Authenticate: Digest realm="asterisk",nonce="1614802714/cfb78912cdb31c6509edeac07eb41b37",opaque="04168f7651591c6e",algorithm=md5,qop="auth"
Server: wwcommunicator
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP nm;branch=foo;received=*.*.*.*;rport=53566
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=as781a40f7
Call-ID: 50000
CSeq: 42 OPTIONS
Server: STARFACE PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY, INFO, PUBLISH, MESSAGE
Supported: replaces, timer
Contact: <sip:87.128.112.63:5060>
Accept: application/sdp
Content-Length: 0
SIP/2.0 200 OK
Via: SIP/2.0/UDP nm;rport=50870;received=*.*.*.*;branch=foo
Call-ID: 50000
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=foo
CSeq: 42 OPTIONS
Allow: PRACK, INVITE, ACK, BYE, CANCEL, UPDATE, SUBSCRIBE, NOTIFY, REFER, OPTIONS
Accept: application/sdp, application/simple-message-summary, message/sipfrag;version=2.0
Supported: replaces, 100rel, timer, norefersub
Allow-Events: message-summary, refer
User-Agent: TP-Link SIP Stack V1.0.0
Content-Type: application/sdp
Content-Length: 327
v=0
o=- 3823791449 3823791449 IN IP4 79.30.48.98
s=pjmedia
c=IN IP4 79.30.48.98
t=0 0
m=audio 53456 RTP/AVP 9 18 2 110 8 0
a=rtcp:53457 IN IP4 79.30.48.98
a=rtpmap:9 G722/16000
a=rtpmap:18 G729/8000
a=rtpmap:2 G726-32/8000
a=rtpmap:110 G726-32/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=sendrecv
a=ptime:0
SIP/2.0 401 Unauthorized
Via: SIP/2.0/UDP nm;rport=37031;received=*.*.*.*;branch=foo
Call-ID: 50000
From: <sip:nm@nm>;tag=root
To: <sip:nm2@nm2>;tag=foo
CSeq: 42 OPTIONS
WWW-Authenticate: Digest realm="asterisk",nonce="1614802649/ed222e3d76bec55b721bb46c15d34a85",opaque="24c4cfbd43bc47ed",algorithm=md5,qop="auth"
Server: wwcommunicator
Content-Length: 0

