[2026-08-18T00:00:00Z] >>>
INVITE sip:7089*******1234@61.132.228.221:5060 SIP/2.0
Via: SIP/2.0/UDP 192.0.2.10:5062;branch=z9hG4bK-sample;rport
From: "BD****5882" <sip:BD****5882@61.132.228.221>;tag=sample-from
To: <sip:7089*******1234@61.132.228.221>
Call-ID: 00000000-0000-0000-0000-000000000000
CSeq: 1 INVITE
Contact: <sip:BD****5882@192.0.2.10:5062>
Content-Type: application/sdp
Content-Length: 170

v=0
o=- 0 0 IN IP4 192.0.2.10
s=magic-sonar
c=IN IP4 192.0.2.10
t=0 0
m=audio 40000 RTP/AVP 8 0
a=rtpmap:8 PCMA/8000
a=rtpmap:0 PCMU/8000
a=ptime:20
a=sendrecv
[2026-08-18T00:00:01Z] <<<
SIP/2.0 180 Ringing
Via: SIP/2.0/UDP 192.0.2.10:5062;branch=z9hG4bK-sample;rport
From: "BD****5882" <sip:BD****5882@61.132.228.221>;tag=sample-from
To: <sip:7089*******1234@61.132.228.221>;tag=sample-to
Call-ID: 00000000-0000-0000-0000-000000000000
CSeq: 1 INVITE
Content-Length: 0
[2026-08-18T00:00:02Z] <<<
SIP/2.0 200 OK
Via: SIP/2.0/UDP 192.0.2.10:5062;branch=z9hG4bK-sample;rport
From: "BD****5882" <sip:BD****5882@61.132.228.221>;tag=sample-from
To: <sip:7089*******1234@61.132.228.221>;tag=sample-to
Call-ID: 00000000-0000-0000-0000-000000000000
CSeq: 1 INVITE
Contact: <sip:gateway@192.0.2.20:5060>
Content-Type: application/sdp
Content-Length: 73

v=0
c=IN IP4 192.0.2.20
m=audio 42000 RTP/AVP 8
a=rtpmap:8 PCMA/8000
[2026-08-18T00:00:02Z] >>> ACK call-id=00000000-0000-0000-0000-000000000000 cseq=1
[2026-08-18T00:00:04Z] playback interrupted by inbound voice
[2026-08-18T00:00:10Z] >>> BYE call-id=00000000-0000-0000-0000-000000000000 cseq=2