[Printing-architecture] OpenPrinting Summit 2009: Adding VoIP access

Till Kamppeter till.kamppeter at gmail.com
Sat Apr 4 15:45:47 PDT 2009

Hal V. Engel wrote:
> On Friday 03 April 2009 01:54:39 pm Till Kamppeter wrote:
>> Hal V. Engel wrote:
>>> Or how about using mumble or something similar like teamtalk?  No need
>>> for people to sign up for anything and all they would need is a password
>>> for the mumble session along with info on how to connect to the server
>>> both of which could be made available here.
>> Can mumble connect to a usual phone? We have a phone conference hub for
>> calling with a ususal phone. We will dial into this hub with the Polycom
>> to connect the conference room. We planned to start a conference call on
>> Skype where one "participant" is the conference hub, so that the Skype
>> conference is bridged to the phone conference. Is it possible to do the
>> same thing with mumble?
>>     Till
> All mumble needs is an alsa input (which for a normal user would be connected 
> to a mic) and an alsa output (for a normal user this would be connected to a 
> speaker or a set of headphones).  I have not looked at a newer polycom unit 
> but I do remember them having both audio in (for more mics and other audio 
> sources) and audio out jacks but this may also depend on the model.  These 
> could be attached to a computer near the polycom with a set of RCA cables.  
> This would connect the polycom line out to computer line in (this is located 
> on the interface module of most polycoms) and polycom mic/line in  (this is 
> probably labeled as AUX IN) to computer line out.  Then mumble would be setup 
> to use those alsa ports and it should work (IE this created a conference room 
> to mumble bridge at the polycom).  But I don't have a polycom sitting here so 
> I can't test it myself.  And I think that this is something that someone has 
> to setup in advance and have everything sorted out and tested to make sure 
> everything is OK.
> So if someone already knows how to setup Skype to act as a conference bridge 
> then this would also be OK.  Setting up a Skype account is free and setting up 
> the software is simple.  Making calls to another skype account is also free.

Angela, do our Polycoms have audio connectors? Do we have appropriate 
audio cables to connect a laptop to them, so that when running a VoIP
program on the laptop that this provides a second access facility for 
the conference?


More information about the Printing-architecture mailing list