With IPHost Network Monitor you can run simple snmp requests against a Cisco device in your network.
cItpSccpGttPrefOutAddr
Cisco Itp Sccp Gtt Pref Out Addr
1.3.6.1.4.1.9.9.233.1.8.1.1.3
If the GTA of the Called Party Address (CDPA) matches the digits in cItpSccpGttPrefInAddr then this object is used in the prefix conversion.
Back to CISCO-ITP-SCCP-MIB MIB page.
IPHost Network monitor allows you to monitor cItpSccpGttPrefOutAddr on Cisco device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring Cisco optical switches right now.