[asterisk-users] SIP Request: OPTIONS

[ast guy]

Hi,
 I have register a sip user to sip server. I can see after registration * is
sending periodic "SIP Request: OPTIONS" messages to server. but it's not
getting back any response that should be SIP 200/OK as the documents say.

3130.299707 192.168.2.113 -> 58.ab.cd.ef SIP Request: OPTIONS sip:
sipserver.net
3131.299513 192.168.2.113 -> 58.ab.cd.ef SIP Request: OPTIONS sip:
sipserver.net
3131.299574 192.168.2.113 -> 58.ab.cd.ef SIP Request: OPTIONS sip:
sipserver.net
3141.300277 192.168.2.113 -> 58.ab.cd.ef SIP Request: OPTIONS sip:
sipserver.net

192.168.2.113 is LAN and 58.ab.cd.ef is global

Is it useful, harmful, what If I want to disable this periodic request?

-ag
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