With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cSipStatsClientTempNotAvailOuts
Cisco Sip Stats Client Temp Not Avail Outs
1.3.6.1.4.1.9.9.152.1.2.4.34
This object reflects the total number of Temporarily Not Available (480) responses sent by the user agent since system startup. Outbound Temporarily Not Available responses indicate that the called party's end system was contacted successfully but the called party is currently unavailable.
Back to CISCO-SIP-UA-MIB MIB page.
IPHost Network monitor allows you to monitor cSipStatsClientTempNotAvailOuts on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco routers right now.
