2025/11/23 01:25:23.051083 192.168.15.23:5060 -> 192.168.15.112:5060 INVITE sip:test_call@192.168.15.112:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.15.23:5060;branch=z9hG4bK-140318-1-0 Route: From: ;tag=1 To: ;tag=1 Call-ID: 1-140318@192.168.15.23 Cseq: 1 INVITE Contact: sip:100@192.168.15.23:5060 Max-Forwards: 70 Subject: Performance Test Content-Type: application/sdp Content-Length: 137 User-Agent: sipp v=0 o=user1 53655765 2353687637 IN IP4 192.168.15.23 s=- t=0 0 c=IN IP4 192.168.15.23 m=audio 6004 RTP/AVP 0 a=rtpmap:0 PCMU/8000 2025/11/23 01:25:23.061272 192.168.15.112:5060 -> 192.168.15.23:5060 SIP/2.0 407 Proxy Authentication Required Via: SIP/2.0/UDP 192.168.15.23:5060;branch=z9hG4bK-140318-1-0 Proxy-Authenticate: Digest nonce="1763850322:1cba2bc900f34d8086d9ce0b49e9c9bd",algorithm=MD5,realm="192.168.15.112",qop="auth,auth-int" To: ;tag=1 From: ;tag=1 Call-ID: 1-140318@192.168.15.23 CSeq: 1 INVITE Server: repro 1.12.0 Content-Length: 0 2025/11/23 01:25:23.061671 192.168.15.23:5060 -> 192.168.15.112:5060 ACK sip:test_call@192.168.15.112:5060 SIP/2.0 Via: SIP/2.0/UDP 192.168.15.23:5060;branch=z9hG4bK-140318-1-0 From: ;tag=1 To: ;tag=1 Call-ID: 1-140318@192.168.15.23 CSeq: 1 ACK Contact: Max-Forwards: 70 Subject: Performance Test Content-Length: 0