[asterisk-users] High volume BLF - Suggestions?

[Bryant Zimmerman]

Steve

Grandstream has a new services GXP-21XX coming out they may work for your. 
We have been a beta tester and the BLF on these seem to work much better 
then the GXP-20XX units. I do not have the side cars in stock right now so 
I don't know how they work with it but you can put at least two for about 
112 addtional blf keys.

Bryant

----------------------------------------
 From: "Olivier" <oza_4h07 at yahoo.fr>
Sent: Monday, September 13, 2010 6:46 AM
To: "Asterisk Users Mailing List - Non-Commercial Discussion" 
<asterisk-users at lists.digium.com>
Subject: Re: [asterisk-users] High volume BLF - Suggestions?

2010/9/13 Steve Davies <davies147 at gmail.com>
Hi,

We have a user who is putting large call volumes through Asterisk, and
wants to BLF monitor up to 90 extensions. We are struggling to find a
handset that can keep up with Asterisk :)

1) Is there a handset that will do this?
2) Is there a different (standard) way to send BLF and allow directed 
pickups?
2a) Or even a handset specific way?

Asterisk handles the BLF volume fine, even on quite low-end hardware,
but we cannot find any handsets that can cope with it longer term.

Our test involves about 10 BLF-NOTIFY messages per second to each
handset with a 5-second pause every 5 seconds. This will either crash
or render unusable all of the following combinations:

snom360 + 1 x sidecar

As Snom phones have a parameter to express a time period during which BLF's 
SUBSCRIBE messages are spread and sent to Asterisk, I thought Snom phones 
would handle this load more easily.

  Yealink T28 + 1 x sidecar
Yealink T28 + 2 x sidecar
Cisco SPA504g + 1 x sidecar
Cisco SPA504g + 2 x sidecar
Cisco SPA525g + 1 x sidecar (reboots often)
Cisco SPA525g + 2 x sidecar (reboots quickly)
Aastra 55i + non-LCD sidecar

Did not try Polycom as they do not do directed pickup and only small 
sidecars.
Linksys SPA962 with one sidecar is "OK" but is discontinued hardware.

Help?

Thanks,
Steve

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