Cisco Cisco MGX 8880 Media Gateway

The VXSM Release 5.5.00.201 follows VXSM Release 5.5.00. The resolved caveats for VXSM Release 
5.5.00.201 are listed in 

The Voice Switch Service Module (VXSM) product is supported by the MGX 8880 Media Gateway and 
the MGX 8850 Multiservice Switch. Refer to their respective release notes for platform and version level 
support guidelines.

To verify that you have the latest version of Cisco IOS required to support the new features included in 
this release, please check Cisco IOS availability status at 

.

The VXSM software release notes are supported by Cisco Voice Switch Services (VXSM) Configuration 
Guide, Release 5.5 and Cisco Voice Switch Services (VXSM) Command Reference, Release 5.5, both of 
which are available on cisco.com.

Release 5.5.00.201 is solely a maintenance release containing fixed anomalies but no new features.

Release 5.5.00 is a significant release with several major new software features over Release 5.4.20. 

The new software features include: