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11/04/2009 at 03:12AM PST, ID: 24870479 | Points: 500
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Maestro of the Telecom Industry:  most cost-effective simple phone system for today (TDM?/VoIP?) you can design using all your tips/tricks.

Asked by avtel in Telecommunications Providers, IP Telephony, Legacy PBX

Tags: VoIP, TDM, PSTN, Phone, Phones, PBX, Telecommunications, Costs, Cheap, Avaya

Hi people,

I'm setting up my first business facility, and since I have no leeway with the money (I'm risking it all for a dream...But a well-calculated one...), I need to get the perfect phone system for me.  But, the Telecommunications Industry may be the oldest industry that is still so completely a mystery to so many of us commoners.

My perfect phone system means:
1. cheapest Equipment Cost, and
2. cheapest Monthly Recurring Charges.



VoIP or TDM?:
I don't know if VoIP makes things cheaper in my situation.  We don't have branch offices, and we don't make a lot of International, or other long distance calls - except to whatever category other Los Angeles area phones are.
Yet, we will have a DS-3 (45Mbps) line, and could also save some money on the cabling, since we could just put in single drops of the Cat5 cables.
I'm leaning to a regular old phone system (TDM-based system) because I think there might be some really cheap refurbished equipment out there - in particular the old phones.  But I'm unsure if the Monthly Recurring Charges from the Phone Company will be more costly over 2 years?  

Also, please not that this phone system only needs to exist for 2-3 years maximum.
And I don't mind buying refurbished.

PHONE SYSTEM DESCRIPTION:
I'll have 40 phone users, all in one location.  We probably need about 10-15 lines (although anyone know if that's too much for an Engineering office environment?), and each person with an extension.
We need Voicemail and Conference calls.  That's it - other features are just gravy if they happen to come with the system, but we don't need anything else.

Distribution of Phone Calls made:
Mostly, the 40 employees will be dialing each others' extensions.  But of outside calls, 60% will be to another business that is located about 2 blocks away.  Another 30% of calls will be to locations around the greater LA area, which is where this business is located.  The rest is probably around the US and maybe a bit of International.


I really appreciate any help you guys can give on this, even if it's not a complete answer.
[+][-]11/04/09 08:11 AM, ID: 25740786

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[+][-]11/05/09 08:47 PM, ID: 25756671

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[+][-]11/10/09 08:25 AM, ID: 25786923

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[+][-]11/10/09 08:47 AM, ID: 25787184

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[+][-]11/10/09 09:06 AM, ID: 25787406

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