Switchs and Routers to provide VOIP solutions.

Answered Question
Feb 9th, 2008

Witch is the best option in Cisco switchs and routers catalogue to a network with 50 users to implement a VOIP solution?

Best regards

Gustavo Sousa

I have this problem too.
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Correct Answer by Paolo Bevilacqua about 8 years 10 months ago

Hi,

A 2821 with CME will support up to 52 IP phones, doing a very complete PBX, without the need for external servers or anything else.

Get ISDN for the telco lines, do not use analog lines that are alway a source of trouble. Get a CUE in AIM or NM form if users want voice mail.

For the switch, if you can afford the price, get a a 3560 or 3750 48 ports with PoE. If you can't, get two WS-CE500 24 ports, again with PoE.

Choose the phones as you like better, a good choice is the 7931 that has many buttons and a good lighted display.

That to give you an idea of what you need.

Hope this helps, please rate post if it does!

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Correct Answer
Paolo Bevilacqua Sat, 02/09/2008 - 13:16

Hi,

A 2821 with CME will support up to 52 IP phones, doing a very complete PBX, without the need for external servers or anything else.

Get ISDN for the telco lines, do not use analog lines that are alway a source of trouble. Get a CUE in AIM or NM form if users want voice mail.

For the switch, if you can afford the price, get a a 3560 or 3750 48 ports with PoE. If you can't, get two WS-CE500 24 ports, again with PoE.

Choose the phones as you like better, a good choice is the 7931 that has many buttons and a good lighted display.

That to give you an idea of what you need.

Hope this helps, please rate post if it does!

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