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Cheap and Reliable IP Telephony?

anomalie asks: "I am trying to sell IP telephony to my employer. The idea was shot down once already because of the cost (using a Cisco solution). I would like to find a cheap but reliable IP PBX because everyone liked the idea of IP telephony, just not the price associated with it. I need a system that could initially handle about 80 users at a single location, and eventually handle about 350 users at 7 locations. The two systems I have been looked at so far are Asterisk & Pingtel's SIPxchange IP PBX. I'm not looking here for a final solution, just some starting points for more research. Any feedback/tips/warnings from the Slashdot community?" "I am looking to have at least the following capabilities:
-Auto attendant
-Handle a PRI (hopefully allow forwarding of old PBX DIDs)
-Handle long distance T1 (we would initially segment off some channels from our current PBX)
-Handle WAN Traffic so we could utilize our unused channels for long distance from other locations
-Forwarding of voicemails to email

Nice optional features:
-Web based GUI for voicemail administration
-GUI call manager

Eventually, we would have relay units at the other locations to handle the local calls and call routing and have 1 central PBX at corporate headquarters."

1 of 62 comments (clear)

  1. Re:Vonage by dj245 · · Score: 0, Troll
    We've been using Vonage for over a year now and it's great. vonage vonage vonage vonage blah blah blah

    are the moderators on crack or just don't know what the vonage can and can not do for you?

    Parent post wants a PBX. Not a phone company. Vonage is a phone company, not a maker of PBX devices. Nor do they sell PBX devices that are up to the job.

    Obviously this poster knows nothing about what the parent poster wants and/or doesn't care. Mod him down. As to the subject at hand, I personally don't know a lot about the subject, but I am an expert on Vonage, having had (and cancelled) their service. They make sense for a 1-number 1-building 3-4 room small business. Anything more is seriously overpimping what they can provide.

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