What to look for on a 1760 router with CME

I'm looking to get a Cisco 1760 router with CME on it off ebay. What should I look to get on it as far as IOS, memory, RAM, ports, etc? Are T1 or FXS ports available on 1760s?

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Fish!

This is a fantastic link that you will refer to often when working with CME:

Cisco Unified CME and Cisco IOS Software Version Compatibility Matrix [Cisco Unified Communications Manager Express] - Cisco Systems

1760 routers max out at 160/64. My 1760 runs CME just fine with 48 meg of flash. I don't load all the phone loads, just the ones I need.

The obvious feature set that supports CME is ipvoice. however, it isn't the only one. Feature sets that support CME include:

FEATURE SET Flash file name prefix
ADVANCED ENTERPRISE SERVICES c1700-adventerprisek9-mz
ADVANCED IP SERVICES c1700-advipservicesk9-mz
ENTERPRISE SERVICES c1700-entservicesk9-mz
ENTERPRISE SERVICES W/O CRYPTO c1700-entservices-mz
IP VOICE c1700-ipvoicek9-mz
IP VOICE W/O CRYPTO c1700-ipvoice-mz
IP/ADSL/VOX PLUS c1700-sv8y7-mz
SP SERVICES c1700-spservicesk9-mz

If the 1760 has a PVDM it can support VIC cards. The PVDM is not required to support just CME. You can add a PVDM if the 1760 you end up with doesn't have one.