ÔÃ²¡          ÿÿ     –žTF„Q %  %   lËZü "LÃ E   @ @²þÀ¨0À¨WÄÄ/INVITE sip:4321@192.168.1.87;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.1.48:5060;branch=z9hG4bK-j7gtrjgwe409;rport
From: "111" <sip:111@192.168.1.36>;tag=4mk6zs44r5
To: <sip:4321@192.168.1.87;user=phone>
Call-ID: 3c47690ab239-44b0xxy6evus@192-168-1-48
CSeq: 1 INVITE
Max-Forwards: 70
Contact: <sip:111@192.168.1.48:5060;line=br1mvvdf>
P-Key-Flags: keys="3"
User-Agent: snom190-3.56m
Accept-Language: en
Accept: application/sdp
Allow: INVITE, ACK, CANCEL, BYE, REFER, OPTIONS, NOTIFY, SUBSCRIBE, PRACK, MESSAGE, INFO
Allow-Events: talk, hold, refer
Supported: timer, 100rel, replaces
Session-Expires: 3600
Content-Type: application/sdp
Content-Length: 342

v=0
o=root 1024124057 1024124057 IN IP4 192.168.1.48
s=call
c=IN IP4 192.168.1.48
t=0 0
m=audio 10160 RTP/AVP 0 8 3 18 4 9 101
a=rtpmap:0 pcmu/8000
a=rtpmap:8 pcma/8000
a=rtpmap:3 gsm/8000
a=rtpmap:18 g729/8000
a=rtpmap:4 g723/8000
a=rtpmap:9 g722/16000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-15
a=ptime:20
a=sendrecv
—žTFw™ ¯  ¯   "LÃ lËZü E ¡Rö  €b~À¨WÀ¨0ÄÄþSIP/2.0 486 Busy Here
Call-ID: 3c47690ab239-44b0xxy6evus@192-168-1-48
Contact: <sip:4321@192.168.1.87:5060>
CSeq: 1 INVITE
From: "111" <sip:111@192.168.1.36>;tag=4mk6zs44r5
To: <sip:4321@192.168.1.87;user=phone>;tag=a3bhg
Via: SIP/2.0/UDP 192.168.1.48:5060;branch=z9hG4bK-j7gtrjgwe409;rport
Allow: INVITE, ACK, BYE, CANCEL, REFER, OPTIONS, REGISTER, SUBSCRIBE
Content-Length: 0

—žTFºï œ  œ   lËZü "LÃ E Ž  @ @µ‡À¨0À¨WÄÄzÏACK sip:4321@192.168.1.87;user=phone SIP/2.0
Via: SIP/2.0/UDP 192.168.1.48:5060;branch=z9hG4bK-j7gtrjgwe409;rport
From: "111" <sip:111@192.168.1.36>;tag=4mk6zs44r5
To: <sip:4321@192.168.1.87;user=phone>;tag=a3bhg
Call-ID: 3c47690ab239-44b0xxy6evus@192-168-1-48
CSeq: 1 ACK
Max-Forwards: 70
Contact: <sip:111@192.168.1.48:5060;line=br1mvvdf>
Content-Length: 0