Wireless VOIP Telephone System Recommendations

I am looking to install a small low cost WIRELESS VOIP phone system for my church.  Requirements are simple - VOIP phones that will operate via the Church's 802.11 wireless network.  We have 2 incoming analog telephone lines.  Will need 5-10 telephones with voicemail on each.  Would like a desktop style phone in most locations (vs. a small handheld).  Recommendations please.
HCPCJJ1Asked:
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masnrockCommented:
Do you want a hosted or onsite system? If you're doing onsite, then at the very least, the PBX itself should be wired. You mentioned having analog lines right now, but are you planning to keep them as part of your system?

Either way, a Grandstream system might fit your budget, even though I feel that Yealink phones are much better.
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ArneLoviusCommented:
Most VoIP phones do not have voicemail on them, Voicemail would be provided as a "feature" on the PBX, or on a voicemail "server".

With only two lines, you would also need a method of "distributing" inbound calls across all (or a subset of) the phones, this again requires a PBX with this "feature".

It would help for you to document what call flow you are after, or if you want to duplicate an existing analog system, how call flow works on the existing.
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masnrockCommented:
If you're going to do analog lines on an IP phone based system, then you're going to possibly run into issues with call capacity. Give more details on exactly what you'd like?
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HCPCJJ1Author Commented:
We have 2 incoming analog lines.  Our current system is just 2 telephones hard wired in two separate offices.  I would like to have a system where the 2 incoming lines connect to a PBX.  From there, I would like to be able to have 4 or 5 satellite phones throughout the church connecting them via the wireless 802.11 network and 2 desktop phones, either hard-wired or 802.11.  The satellite areas are not wired for Ethernet (or RJ-11), so physically connecting them is not a good option - as it is old stone construction.  I cannot imagine more than 2 simultaneous conversations going on at any given time.
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masnrockCommented:
So you need an onsite PBX then, because of the analog phone requirement. And I assume that wireless connectivity is solid in the areas you're looking to add phones (be sure to do a wireless survey if you're not sure about that at the moment).

Like I mentioned, you could go with a Grandstream system along with phones. I personally prefer 3CX along with Yealink phones. You really should have a lot of options though, including Avaya. I've used Yealink and Snom phones the most. And while both offer phones that work on wireless, I haven't used that side of them. The Yealinks would be my preference, but again, I used a wired network.

If you go the wifi approach, then I will definitely suggest you have a VLAN for just the phones, and have some sort of filtering in place. Also, are those satellite areas good for wireless?
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masnrockCommented:
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