Cisco Cisco MGX 8880 Media Gateway

Definitions of Service Request Severity 25

Obtaining Additional Publications and Information 26

Acronyms 28

These release notes contain the following sections:

These release notes describe the system requirements, new features, and limitations that apply to Release 
5.3.00 of the Cisco MGX 8880 Media Gateway, and provide Cisco support information.

For information about new VXSM features, refer to the Release Notes for the Cisco Voice Switch Service 
Module (VXSM), Release 5.3.00.

For information about new VISM-PR features, refer to the Release Notes for the Cisco Voice 
Interworking Service Module (VISM), Release 3.3.25.

Release 5.3.00 is a software and hardware release for the MGX 8880 media gateway.