With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
csbSIPMthdHistoryStatsResp4xxIn
Cisco Session Border SIP Mthd History Stats Resp4xx In
1.3.6.1.4.1.9.9.757.1.4.1.13
This object indicates the total 4xx responses for this method received on this SIP adjacency.
Back to CISCO-SESS-BORDER-CTRLR-STATS-MIB MIB page.
IPHost Network monitor allows you to monitor csbSIPMthdHistoryStatsResp4xxIn 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.
