With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adVqmActCallSourceIntName
ad Vqm Act Call Source Interface Name
1.3.6.1.4.1.664.5.53.5.3.8.1.1.11
Source interface name that RTP arrived inbound to unit.
Back to ADTRAN-AOS-VQM MIB page.
IPHost Network monitor allows you to monitor adVqmActCallSourceIntName 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.