[OpenSIPS-Users] opensips version 2.2 -Cache and location table out of sync for particular registrations.

[Jonathan Hunter]

Hi Guys,

I have an interesting issue and wondered if anyone else has seen this issue.

We have a user who is registered with the platform and can make and receive calls, however the registration is only ever in the cache, it is not being populated in the location table.

When I check its state I can see it registered, and I see its state go from CS_DIRTY, to CS_SYNC as it re-registers;

opensipsctl ul show 02033279460 at sip.provider
AOR:: 02033279460
        Contact:: sip:02033279460 at WANIP:5060 Q=
                Expires:: 266
                Callid:: 5820966e249dce1b6796222708c8d94b at sip.provider
                Cseq:: 11070
                User-agent:: Asterisk PBX
                State:: CS_DIRTY
                Flags:: 0
                Cflags::
                Socket:: udp:91.X.X.X:5060
                Methods:: 4294967295

opensipsctl ul show 02033279460 at sip.provider
AOR:: 02033279460
        Contact:: sip:02033279460 at WANIP:5060 Q=
                Expires:: 224
                Callid:: 5820966e249dce1b6796222708c8d94b at sip.provider
                Cseq:: 11070
                User-agent:: Asterisk PBX
                State:: CS_SYNC
                Flags:: 0
                Cflags::
                Socket:: udp:91.X.X.X:5060
                Methods:: 4294967295


However it isn't contained within the location table, even though other registrations are contained in both, as we have the following set;

modparam("usrloc", "db_url", "DBURL")
modparam("usrloc", "db_mode",   2)
modparam("usrloc", "timer_interval", 60)

I have tried to reproduce the issue but cant seem to, the REGISTER message being sent looks like the below;



Request-Line: REGISTER sip:sip.provider SIP/2.0
    Message Header
        Via: SIP/2.0/UDP 91.X.X.X:5060;branch=z9hG4bK-25033-1-3
        Max-Forwards: 70
        From: <sip:02033279460 at sip.provider>;tag=1
        To: <sip:02033279460 at sip.provider>
        Call-ID: 1-25033 at 91.X.X.X
        CSeq: 8 REGISTER
        Supported: replaces, timer
        User-Agent: Asterisk PBX
        Authorization: Digest username="02033279460",realm="sip.provider",uri="sip:91.X.X.X:5060",nonce="59e4d0ae000000019388ae5161ff1f5d2666a1d2adb6e77d",response="e2f9ffb2ccf33c864adb76c950c2221c",algorithm=MD5
        Expires: 120
        Contact: sip:02033279460 at 91.X.X.X:5060
        Content-Length: 0

Note its send the Auth header in initial REGISTER before the 401 challenge.

Does anyone have any tips please on where the issue might be or how best to trouble-shoot on a busy live platform?

Many thanks!

Jon

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