With IPHost Network Monitor you can run simple snmp requests against a ADTRAN device in your network.
adVqmActCallBitrate
ad Vqm Act Call Bitrate
1.3.6.1.4.1.664.5.53.5.3.8.1.1.102
Actual bitrate of RTP stream, calculated using size of each RTP packet in bits and duration of audio represented in each packet, indication of required bandwidth.
Back to ADTRAN-AOS-VQM MIB page.
IPHost Network monitor allows you to monitor adVqmActCallBitrate 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.