Hi,
On 05/09/2011 09:40 PM, Justin Sherrill wrote:
Anyone have some recommended equipment for alerting people to calls in a noisy
environment?
I have Polycom IP550 phones set up in some really noisy environments - our mine
hoists - and they tend to drown out the ringers. I'm using Clarity WR100s now.
They're analog devices, attached to Linksys PAP2T ATAs as part of a call group
to get a loud (advertised as 95dB) ring out there, but it still could be
louder. Maybe a light-up option would be better.
The old phone system here had some huge loudspeakers that someone had wired
right into the speakers of the old digital phones. I haven't figured out yet
if they need a different voltage, or even if they still work; they were not
responding when I replaced the attached phones.
I've actually used a pc with linphone as a sip client on it, and
amplified speakers attached to the sound card of this computer. I used
this as a dual purpose setup - loud ringer and public announcement
(tannoy in UK) system. I've done a write-up here with details:
http://forum.voxilla.com/asterisk-support-forum/asterisk-public-announcement-system-loud-ringer-bell-49339.html
This way, you can connect your client pc to as loud an amplifier as you
want (or your budget permits) and equally powerful speakers. I think PA
speakers with amplification integrated are quite good for that - but I
settled on a pair of the most powerful active pc speakers I could find -
and they fill the industrial unit where the system is installed nicely.
Sebastian
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