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_4...@yahoo.fr> Sent: Monday, September 13, 2010 6:46 AM To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users@lists.digium.com> Subject: Re: [asterisk-users] High volume BLF - Suggestions? 2010/9/13 Steve Davies <davies...@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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