With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
ciscoSipRetryStatsGroupRev2
cisco Sip Retry Stats Group Rev2
1.3.6.1.4.1.9.9.152.3.2.26
A collection of objects providing basic SIP User Agent retry statistics.
Back to CISCO-SIP-UA-MIB MIB page.
IPHost Network monitor allows you to monitor ciscoSipRetryStatsGroupRev2 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.