With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cMediaGwGroup
Cisco Media Gw Group
1.3.6.1.4.1.9.9.324.2.2.1
This group contains objects that apply to the media gateway configuration table.
Back to CISCO-MEDIA-GATEWAY-MIB MIB page.
IPHost Network monitor allows you to monitor cMediaGwGroup on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco mobile switches right now.
