[asterisk-users] Learn some terminalogy before mountingthistask.

[James R. Stevens]

Thank you for your reply as it is exactly what we would need. Sorry I
didn't find it myself. I do have a question about configuration within
Asterisk. 

 

I'm reading the PDF on the Cisco Expansion module and it says 'When used
as a DN key buttons are illuminated ...'

 

Is that what we are doing within Asterisk or Trixbox when we configure
an extension?  (A Directory Number??)

 

From: asterisk-users-bounces at lists.digium.com
[mailto:asterisk-users-bounces at lists.digium.com] On Behalf Of James
FitzGibbon
Sent: Monday, August 06, 2007 7:37 AM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [asterisk-users] Learn some terminalogy before
mountingthistask.

 

On 8/5/07, James R. Stevens <jstevens at athensdistributing.com> wrote:

	In the design of an Asterisk system using Cisco 7900 series SIP
phones
	we are struggling with giving the reception folks (3) hardware
that can
	tell them the status of everyone in the office (10 or so) (On
the phone, 
	out of office etc) Something that would register each of the
extensions
	we choose and give status of that ext.
	
	What hardware (Phone or other) could we give the receptionist to
do
	this?


You're probably looking for something like this:

http://www.cisco.com/en/US/products/hw/phones/ps379/products_data_sheet0
9186a008008883d.html 

I have no experience integrating this specific piece of hardware with
Asterisk, but I've done what you're trying to do with the Grandstream
equivalent for our front reception:

http://www.grandstream.com/gxp2000.html

and

http://www.grandstream.com/gxp2000ext.html

As I understand it, so long as the device can do a SIP SUBSCRIBE for
each extension you want to monitor and you configure hints in your
Asterisk dialplan for those extensions, it should work.  You may need to
set 'subscribecontext' (in sip.conf) for the phone that will be watching
the extensions unless your hints are in the same context as the phone
uses for outbound dialing.

Of course, what the device does with the various payloads contained in
the SIP NOTIFY messages is going to be different for each phone.  On the
Grandstream I can see 'not in use' (solid green) and 'ringing' (flashing
red) distinctly, but 'unavailable' and 'in use' are both mapped to a
solid red, which makes it somewhat useless for transiently connected
user agents like softphones. 


Hopefully someone with experience will speak up and confirm that the
7900 series does interop properly with Asterisk for SUBSCRIBE and
NOTIFY.

If that doesn't work, you could always go with a software solution, like
the Flash Operator Panel.  voip-info has a list (look at the "Operator"
section on the page): http://www.voip-info.org/wiki/view/Asterisk+GUI

-- 
j. 


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