Can I Add Cisco 2901 as MGCP Gateway to CUCM 7.2.1 Business Edition

I am in the process to buy a new Cisco 2901 ISR2 with a new generation T1/E1 card (VWIC3-1MFT-T1/E1) to replace our old Cisco 2811. The router has attached a PRI line for VoIP. The old 2811 is registered as a MGCP gateway to our CUCM. We have a CUCM 7.2.1 Business edition which is holding the entire company VoIP system.

My question is: can I register in CUCM the new 2901 as a MGCP gateway? In the drop-down list  (when I am trying to add the gateway) I cannot find the 2901 version of Cisco. Only 28xx. Does anyone have encounter this problem?

The answer:

Yes you can. You just need to upgrade that 7.1.2 to latest 7.1.5, otherwise the device model (which is newer than version 7.1.2) will not appear as an option, it is just not there in the database:

Table 4. Cisco products Unified Communications Routers with Cisco Unified Communications Manager Minimum System Requirements Using MGCP

http://www.cisco.com/en/US/prod/collateral/routers/ps10536/data-sheet-c78-729824_ps13303_Products_Data_Sheet.html