With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adVqmCallHistGapCount
ad Vqm Call History Gap Count
1.3.6.1.4.1.664.5.53.5.3.7.1.1.60
Number of times the stream is in gap condition.
Back to ADTRAN-AOS-VQM MIB page.
IPHost Network monitor allows you to monitor adVqmCallHistGapCount on ADTRAN device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring ADTRAN firewalls right now.