All right. It
would appear that I am not the only one interested in shared line
appearances. Many others have stated that they wish for the
key-system-like feature of the blinking lights. Quite frankly, I don't
think it's a good thing, but the people who use these systems are very resistant
to change. I set up call queues, pickup groups, 1-touch transfers, and
still nothing seems to placate them. If I could, I would just replace the
users...
I mainly use Polycom
SoundPoint IP phones: some 300s and some 600s. Bottom line is that if I am
going to be able to finish the rollout of the phone system, and switch away from
having 2 PBXs vying for power (Asterisk and the Nortel NorStar MICS system), I
am going to have to get this feature working. I have received
authorization to offer a bounty to get it working in Asterisk, and to then
contribute the source to the project.
As I have studied
the issue, I'm not sure it is within the "master plan" for asterisk.
Searching the archives, it seems we only expect Asterisk to be a "clever
UA". The people asking were advised to get a real SIP proxy. In
passing, someone asked if chan_sip2 would support it, but I found no
response.
Many references to
SER have been made. I have installed SER successfully. I then tried
to make the feature work, but have been unsuccessful. Both lines will
ring, but the first person to answer the call gets it, and the other phone's
lights are as dark as can be. SER does not seem to do any better with
"line-seize" than Asterisk. At least Asterisk has the hint to allow the
lights to work (I have not yet implemented this, but since it does not meet the
requirements, it does not really matter)... but neither system will allow the
caller to press the blinking light on a call that was placed on hold to answer
it.
I am now looking at
other SIP proxies. I am in the process of installing sipXpbx, which
includes many different pieces of the Pingtel sipExpress system that have been
open-sourced. I am not sure which pieces I will need specifically, so I
will install the whole shooting match and see if the feature even works.
If it does, I'll remove packages and try to reintegrate with
Asterisk.
Has anyone gotten
shared line appearances to work with Polycom Soundpoint IP phones? Not
just blinking lights, but the whole shebang: lights, pressing the button to
seize the line, shared registrations, etc. Is it best to work with a 3rd
party SIP proxy/router/whatever, or should we pool resources and get the feature
integrated into Asterisk somehow?
Looking forward to
your thoughts,
David
Gomillion
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