For what it's worth, I have about 250 Aastra phones in the field, at least of every model. I haven't had any issues with them (except the wireless ones). They seem to work just fine with Freeswitch. The features I have working are: Calls (in and out) Distinctive ringing and auto-answer Blind and attended transfer Message waiting indicator Busy lamps with ringing and in-use status All our endpoints our out across the open internet, not in a tidy office setup like you have, so I think yours will be easier. Some things to be wary of: How are you going to "roll-over" to the VoIP DID? Most carriers I know of will let you put multiple lines in a rollover group, but will they redirect to another carrier's DID when all the lines are full? It sounds good on paper to go low risk and stick with POTS lines, but I have found them to be more trouble than they are worth. Some sort of digital interface is a huge step up. You also get proper signaling, which is a bit limited on POTS. When you start sending voice traffic across your DSL connection, make sure that you have some sort of QoS mechanism in place. I can't stress how important this is. Your DSL connection will be a bottleneck, so your router needs to ensure that all those little voice packets get out right away, ahead of the big data packets. If you don't, you will get choppy audio whenever someone sends an e-mail with a big attachment. Easy ways to do this in a small setup: Linksys WRT54GL with Tomato flashed onto it and some rules set up to match voice traffic (IP range and port seems to be more reliable than the L7 filters) For DSL, I'm a really big fan of the Netopia 3300 series, like the 3346N-ENT for DSL. It's a combination ADSL2+ multimode modem, and a pretty decent router. If you toggle on the prioritization feature, it will make everything fit down the DSL link. Since it knows what the line speed is, it will always work without any adjustment. It will also use the DSCP/TOS tags to prioritize, so you don't have to configure anything. These are about $150 here in Canada, and have a lot of features. You will probably still stay up all weekend, especially if this is your first project, but it will be worth it when you get everything working well. Good luck! Robust Process wrote:
The only disaster I see is the Aastra in the mix. Thats just my personal preference.
thanks for the response Brian,
since I've never had my hands on any of the IP phones, what feature, lack of feature, quality issue, or configuration problems have you had with the Aastra's compared to other IP phones?
Orin
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