[Freeswitch-users] problems with SLA on polycom phones

[KEN KELLY-TURNER]

Hi,

I'm new to freeswitch and I'm trying to set up 2 polycom phones running 4.0.2 firmware to share a line.  I followed the wiki pages http://wiki.freeswitch.org/wiki/Shared_Line_Appearance and However, whenever I pick up an incoming call or try to make an outgoing call on one of the shared lines, the other line doesn't detect that the line is in use and I get a massive dump of 481 and 482 errors dozens of times.  I have no idea what is causing this behaviour, any help would be greatly appreciated

send 854 bytes to udp/[10.10.8.81]:5060 at 02:03:54.850984:
   ------------------------------------------------------------------------
   NOTIFY sip:1000 at 10.10.8.81 SIP/2.0
   Via: SIP/2.0/UDP 10.10.11.1;rport;branch=z9hG4bKcHKrvF7SKSp1j
   Max-Forwards: 70
   From: <sip:1000 at 10.10.11.1:5060>;tag=AWBzYjyr5AtS
   To: "ppcBarge2" <sip:1000 at 10.10.11.1>;tag=FC20B986-C3012B3F
   Call-ID: d753ed55-db70fc4e-bddaf407 at 10.10.8.81
   CSeq: 4053008904 NOTIFY
   Contact: <sip:1000 at 10.10.11.1:5060;transport=udp>
   Call-Info: <sip:10.10.11.1>;appearance-index=*;appearance-state=idle
   User-Agent: FreeSWITCH-mod_sofia/1.2.3
   Allow: INVITE, ACK, BYE, CANCEL, OPTIONS, MESSAGE, INFO, UPDATE, REGISTER, REFER, NOTIFY, PUBLISH, SUBSCRIBE
   Supported: timer, precondition, path, replaces
   Event: call-info
   Allow-Events: talk, hold, conference, presence, dialog, line-seize, call-info, sla, include-session-description, presence.winfo, message-summary, refer
   Subscription-State: active;expires=3600
   Content-Length: 0

   ------------------------------------------------------------------------
recv 405 bytes from udp/[10.10.8.81]:5060 at 02:03:54.864355:
   ------------------------------------------------------------------------
   SIP/2.0 482 Loop Detected
   Via: SIP/2.0/UDP 10.10.11.1;rport;branch=z9hG4bKcHKrvF7SKSp1j
   From: <sip:1000 at 10.10.11.1:5060>;tag=AWBzYjyr5AtS
   To: "ppcBarge2" <sip:1000 at 10.10.11.1>;tag=FC20B986-C3012B3F
   CSeq: 2147483647 NOTIFY
   Call-ID: d753ed55-db70fc4e-bddaf407 at 10.10.8.81
   Event: call-info
   User-Agent: PolycomSoundPointIP-SPIP_550-UA/4.0.2.11307_0004f2149566
   Accept-Language: en
   Content-Length: 0

   ------------------------------------------------------------------------

Thanks,
Ken

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