[Asterisk-Users] '500 Internal Server' Error on SIP NOTIFY

[Eric "ManxPower" Wieling]

Yes.  It does not seem to cause any problems.

Douglas Garstang wrote:
> Is anyone getting '500 Internal Server' errors back from their Polycom phones when Asterisk sends a SIP NOTIFY message to them?
> I called Polycom tech support, who where utterly useless.
> Of course Polycom won't officially support it anyway, as they only support Asterisk Business Edition. We're using 1.2.9, but it's been ocurring for quite some time. We have about 35 phones and it's happening on most (also on the few running SIP software 1.6.6).
> 
> SIP Software version: 1.6.3.0067
> BootROM version: 2.6.2.0032
>  
> Reliably Transmitting (no NAT) to xxx.187.128.95:5060:
> NOTIFY sip:2944030 at ua1.ipt.oneeighty.com SIP/2.0
> Via: SIP/2.0/UDP xxx.187.142.203:5060;branch=z9hG4bK4d777013;rport
> From: <sip:2944026 at ua1.ipt.oneeighty.com>;tag=as6fd80d1b
> To: "Front Desk" <sip:2944030 at ua1.ipt.oneeighty.com>;tag=3B576862-120A3007
> Contact: <sip:2944026 at xxx.187.142.203>
> Call-ID: 5d22385e-d097d068-93894e55 at xxx.187.128.95
> CSeq: 114 NOTIFY
> User-Agent: Asterisk PBX
> Max-Forwards: 70
> Event: presence
> Content-Type: application/xpidf+xml
> Subscription-State: active
> Content-Length: 371
>  
> <?xml version="1.0"?>
> <!DOCTYPE presence PUBLIC "-//IETF//DTD RFCxxxx XPIDF 1.0//EN" "xpidf.dtd">
> <presence>
> <presentity uri="sip:2944030 at ua1.ipt.oneeighty.com;method=SUBSCRIBE" />
> <atom id="2944026">
> <address DEFANGED_uri="sip:2944026 at ua1.ipt.oneeighty.com;user=ip" DEFANGED_priority="0.800000">
> <status status="open" />
> <msnsubstatus substatus="online" />
> </address>
> </atom>
> </presence>
>  
>  
> <-- SIP read from xxx.187.128.95:5060: 
> SIP/2.0 500 Internal Server Error
> Via: SIP/2.0/UDP xxx.187.142.203:5060;branch=z9hG4bK4d777013;rport
> From: <sip:2944026 at ua1.ipt.oneeighty.com>;tag=as6fd80d1b
> To: "Front Desk" <sip:2944030 at ua1.ipt.oneeighty.com>;tag=3B576862-120A3007
> CSeq: 114 NOTIFY
> Call-ID: 5d22385e-d097d068-93894e55 at xxx.187.128.95
> Contact: <sip:2944030 at xxx.187.128.95>
> Event: presence
> User-Agent: PolycomSoundPointIP-SPIP_601-UA/1.6.6.0036
> Content-Length: 0
>  
> Doug.
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