With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ctxSipPort
ctx Sip Port
1.3.6.1.4.1.9.9.758.1.1.4.2.1.3
This object specifies the SIP port for the resource as configured in the CTX System.
Back to CISCO-TELEPRESENCE-EXCHANGE-SYSTEM-MIB MIB page.
IPHost Network monitor allows you to monitor ctxSipPort on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco switches right now.