Hi Rodney,

The 7937G is supported in CCM 4.1(3) with the SR (SR5) and Device Pack (DevPack-59 or later) listed below. Once these upgrades are done the 7937 will be added to the available "Add a new Phone" selections (and Device Defaults Page);

Compatible Cisco Unified CallManager Release - 7937G

Note: If you have a Cisco Unified CallManager on a Release earlier than 4.1(3)SR5, do NOT install this firmware. You must first upgrade your Cisco Unified CallManager to one of the compatible releases listed

4.1(3)SR5

ciscocm.4-1-DevPack-59 or later

4.2(3)SR2

ciscocm.4-2-3-DevPack-36 or later

4.3(1)

ciscocm.4-3-1-DevPack-16 or later

5.1(2)

cmterm-devicepack5.1.2.3111-1 or later

5.1(3)

cmterm-devicepack5.1.3.1104 or later

6.0(1)

cmterm-devicepack6.0.1.2111-1 or later

6.1

No device pack required, native support

From the Cisco Unified IP Conference Station 7937G Firmware Version 1.1(1) - ReadMe;

http://download-sj.cisco.com/cisco/voice/ip-7900ser/cmterm-7937-sccp.1-1-1-readme.htm

Hope this helps!

Rob