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Configuring a WS-C3560G-24PS-S for VOiP - How hard ?

Posted on 2008-10-06
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Last Modified: 2012-05-05
The firm I work for are just about to install a new network which will include VOiP implementation.

The service provider is trying to push us into a contract where we have very little control over our equipment.

We will be using WS-C3560G-24PS-S - which they want to provide fully configured and managered - basically our I.T. department will not have access to the switches at all.

I don't like the idea of this but I have limited Cisco Knowledge probably just short of CCNA level.

My question is l
1. Are all VOiP configuration the same ?

2.  If we employ a contractor and ask them to configure for VOip what information will they need ?

3. Do WS-C3560G-24PS-S use CAT-OS ?

Quick anwser need if possible




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Question by:ise438
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ngravatt earned 2000 total points
ID: 22651726
No, not all VoIP configurations are the exactly the same, but all you need to do is configure your QoS and a voice VLAN.  Your phones will need a DHCP and TFTP server, so this can either be your 3560 or your current DHCP/DNS server.

There are different ways to configure QoS, but the main idea is to give your voice traffic higher priority than the other traffic.  This not only has to be done on your 3560, but anywhere else that the voice traffic may travel (like a through a router or another switch to connect to a VoIP server).

The WS-C3560G-24PS-S can use either CAT-OS or Cisco IOS.

If they configure the VoIP settings, they will probably just need IP information.  Like what IP address range you want the phones to use and where the VoIP server is located.  DNS and DHCP information/preferences will need to be provided also.
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