[asterisk-users] Polycom DND + Intercom/Paging Override?

[John Kiniston]

On Wed, Sep 17, 2014 at 10:06 PM, Nathan Anderson <nathana at fsr.com> wrote:

> BUT Polycom handsets cannot be configured to just listen to RTP being
> multicasted to a particular multicast IP like many other IP phones
> can...the signalling for Polycom multicast paging and PTT functionality is
> completely proprietary and not SIP-based, and in fact the audio itself is
> not RTP.  It is a proprietary audio packet format that has a header
> prefixed to it containing signalling information, on every audio
> packet/frame.  Therefore nothing else can initiate a multicast page except
> another Polycom phone on the same layer 2 broadcast domain...you cannot
> programmatically have Asterisk/FreePBX do this.
>

There is one product that I know of that is Compatible with Polycom paging.
The Algo 8180 Audio Alerter.

http://www.algosolutions.com/products/Audible-and-Visual-Alerting/8180-sip-audio-alerter.html

You can call it via SIP from asterisk and it can multicast in the special
Polycom format to your phones.



-- 
A human being should be able to change a diaper, plan an invasion, butcher
a hog, conn a ship, design a building, write a sonnet, balance accounts,
build a wall, set a bone, comfort the dying, take orders, give orders,
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program a computer, cook a tasty meal, fight efficiently, die gallantly.
Specialization is for insects.
---Heinlein
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