With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmedxGatewayConfigEntry
cmedx Gateway Config Entry
1.3.6.1.4.1.9.10.104.1.1.1.1
An entry containing additional H.248 protocol related configuration applicable to a media gateway. The following objects must be provided when the entry is created, and they can not be modified after the entry becomes active: cmedxGatewayMgcGroupIndex, cmedxGatewayIpAddressIndex.
Back to CISCO-MEGACO-EXT-MIB MIB page.
IPHost Network monitor allows you to monitor cmedxGatewayConfigEntry on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.