SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.168.32.55:5062;branch=z9hG4bKZ1Z7F97B2BNHB;received=192.168.32.55;rport=5062
From: OptimTalk <sip:sip@192.168.32.55>;tag=ZNQNpyHryH4am
To: <sip:3063@192.168.32.1>;tag=as19f4c32e
Call-ID: 3d0c17a0-6bb5-122c-2780@192.168.32.55
CSeq: 110666524 INVITE
User-Agent: Asterisk PBX
Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, SUBSCRIBE, NOTIFY
Supported: replaces
Contact: <sip:3063@192.168.32.1>
Content-Type: application/sdp
Content-Length: 184

v=0
o=root 15123 15123 IN IP4 192.168.32.1
s=session
c=IN IP4 192.168.32.1
t=0 0
m=audio 12720 RTP/AVP 0
a=rtpmap:0 PCMU/8000
a=silenceSupp:off - - - -
a=ptime:20
a=sendrecv