With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adVqmActCallDegSiglvl
ad Vqm Act Call Deg Siglvl
1.3.6.1.4.1.664.5.53.5.3.8.1.1.51
Percentage quality degradation due to low speech energy signal level.
Back to ADTRAN-AOS-VQM MIB page.
IPHost Network monitor allows you to monitor adVqmActCallDegSiglvl on ADTRAN device via the SNMP protocol. Download IPHost Network Monitor (500 monitors for 30 days, 50 monitors free forever) to start monitoring ADTRAN IP phones right now.