recv 598 bytes from udp/[10.0.1.67]:5060 at 20:48:20.589315: ------------------------------------------------------------------------ SUBSCRIBE sip:102@usgagasrv1.pts-hvac.com SIP/2.0 Via: SIP/2.0/UDP 10.0.1.67:5060;branch=z9hG4bK1880398731;rport From: <sip:102@usgagasrv1.pts-hvac.com>;tag=1864547776 To: <sip:102@usgagasrv1.pts-hvac.com> Call-ID: 1978847509-5060-4@BA.A.B.GH CSeq: 30500 SUBSCRIBE Contact: <sip:102@10.0.1.67:5060> X-Grandstream-PBX: true Max-Forwards: 70 User-Agent: Grandstream GXP2100 1.0.1.108 Expires: 3630 Supported: replaces, path, timer Event: reg Accept: application/reginfo+xml Allow: INVITE, ACK, OPTIONS, CANCEL, BYE, SUBSCRIBE, NOTIFY, INFO, REFER, UPDATE, MESSAGE Content-Length: 0 ------------------------------------------------------------------------ send 462 bytes to udp/[10.0.1.67]:5060 at 20:48:20.590001: ------------------------------------------------------------------------ SIP/2.0 405 Method Not Allowed Via: SIP/2.0/UDP 10.0.1.67:5060;branch=z9hG4bK1880398731;rport=5060 From: <sip:102@usgagasrv1.pts-hvac.com>;tag=1864547776 To: <sip:102@usgagasrv1.pts-hvac.com>;tag=XDmee5t4Nj3ae Call-ID: 1978847509-5060-4@BA.A.B.GH CSeq: 30500 SUBSCRIBE User-Agent: Configured by 2600hz! Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, UPDATE, INFO, REGISTER, REFER, NOTIFY Supported: precondition, path, replaces Content-Length: 0 ------------------------------------------------------------------------