On Wed, Apr 13, 2011 at 8:22 PM, andrewpitman <[email protected]>wrote:
> > > > I've noticed something odd while testing shared line > appearance for remote workers in sipXecs 4.4.0. My phones > are Polycom 450s running firmware 3.2.5, but I noticed the > same behavior in 3.2.4. > > When my remote workers' primary (non-shared) line and the > shared line have TCPonly set for "Outbound Proxy Transport" > for their registrations, there is no line presence > indication shown on any of the other phones when a call is > up on the shared line. When I set the registration for the > shared line only to be UDPonly on all the phones, shared > line appears to work normally. That is, a solid light for > the appearance when on a call, blinking when on hold and the > call on hold can be picked up on any phone with the shared > line when blinking. > > Has anyone else seen this? > Could you please provide a packet capture? As I understood TCP is really hard to traverse over NAT. Joegen suggested that If you get this all the time, a snoop from sipx towards the concerned phone would be helpful and easy to collect. Thanks, George
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