Hi Kendo,

This is a supported configuration. Have a look;

Supported Version Combinations for Cisco Unity, the Cisco Unity-CM TSP, and Cisco Unified Communications Manager

Cisco Unity

5.0(1)

Cisco Unity-CM TSP

8.2(1)

Cisco Unified Communications Manager

6.0(1), 5.1(1), 5.0(4), 5.0(3), 5.0(2), 5.0(1), 4.3(1), 4.2(3), 4.2(2), 4.2(1), 4.1(3), 4.1(2)

From this compatability Matrix;

http://www.cisco.com/en/US/docs/voice_ip_comm/unity/compatibility/matrix/cutspmtx.html#wp51076

Cisco Unified Communications Manager SCCP Integration Guide for Cisco Unity Release 5.0

Setting Up a Cisco Unified CallManager 4.1 SCCP Integration with Cisco Unity

From this Integration doc;

http://www.cisco.com/en/US/docs/voice_ip_comm/unity/5x/integration/cucm_sccp/guide/cuintcucmskinny030.html

Hope this helps!

Rob