With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cmedGwyControllerPort
cmed Gwy Controller Port
1.3.6.1.4.1.9.10.99999.1.1.3.1.3
TCP port of the Media Gateway Controller. The value 0 is returned if the entry is invalid.
Back to CISCO-IETF-MEGACO-MIB MIB page.
IPHost Network monitor allows you to monitor cmedGwyControllerPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco firewalls right now.