[Spce-user] Outbound calls from polycom phone fail

[Daniel Grotti]

Hi Dave,
from then trace I see that after the 183 sent from Metaswitch, we (and 
Polycom to us) send the PRACK.
Metaswitch replies with 401 (ok, it's Authorizing PRACK) and we resend 
the PRACK with the correct "nonce".
After that though, I don't see any 200 OK PRACK. Looks like the reason 
is between sip:206.80.250.100 (Metaswitch) and 206.80.250.20.

I guess 206.80.250.20 is sending the 500 Server Internal error maybe 
because it is not receiving our PRACK (this is why he cannot generates 
the 200OK) ?


--
Daniel Grotti



On 12/29/2016 06:25 PM, Dave Massey wrote:
> I have this issue I have been working on for days, I have an polycom IP550 phone that works for inbound calls, and also works fine with in/out calls between SPCE local subscribers, but when a call is placed out a peer to PSTN, the other end rings, and can be answered, but the polycom phone never registers the call answered, despite the media flow working in both directions, and call disconnects 20-30 seconds later.
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> Other devices connected to SPCE (OBIHAI/CISCO boxes) work OK.
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> I attached a log of both the SIP trace and the proxy log.
>
> Any help on my issue here? I cant make heads or tails of the SIP trace.
>
> Thanks
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