[Freeswitch-users] Getting 405 Method Not Allowed from Grandstream presence registration

[Rob Hutton]

recv 598 bytes from udp/[10.0.1.67]:5060 at 20:48:20.589315:
   ------------------------------------------------------------------------
   SUBSCRIBE sip:102 at usgagasrv1.pts-hvac.com SIP/2.0
   Via: SIP/2.0/UDP 10.0.1.67:5060;branch=z9hG4bK1880398731;rport
   From: <sip:102 at usgagasrv1.pts-hvac.com>;tag=1864547776
   To: <sip:102 at usgagasrv1.pts-hvac.com>
   Call-ID: 1978847509-5060-4 at BA.A.B.GH
   CSeq: 30500 SUBSCRIBE
   Contact: <sip:102 at 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 at usgagasrv1.pts-hvac.com>;tag=1864547776
   To: <sip:102 at usgagasrv1.pts-hvac.com>;tag=XDmee5t4Nj3ae
   Call-ID: 1978847509-5060-4 at 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
   
   ------------------------------------------------------------------------
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