C2600XM instead of C2800 for voice lab?

From: Huan Pham (pnhuan@yahoo.com)
Date: Tue Dec 30 2008 - 01:24:01 ARST

Hi GS,
 
I have a full R&S lab of C2600XM and C3640 routers, and about to resell them
or reused some of them for my voice lab.
 
My initial check is that Cisco 2600XM series routers support the voice cards
NM-HDV2-1T1/E1, VWIC2-2MFT-T1/E1 which are used in vendors' physical
topologies (e.g. IE and IPexpert).
 
However, the vendors labs all use Cisco 2811 instead of 2600XM or 3600 series
routers. In my experience with R&S track, Cisco 2600 or 3640 supports almost
all features and there's no need to upgrade to 2800.
 
So my question is: Are there any voice features I can not practice
with 2600XM, and upgrades to Cisco 2800s are recommended?
 
Thanks in advance for your advice.
 
Huan

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