Yealink EXP38 IP Expansion Module Check Jogger and Quality of Service (QoS)

and Quality of Service (QoS) are included by default in the Adtran NetVanta 3448

Performs PRI to BRI

Samsung iDCS 100 and 500

both 12 and 24 button

Toshiba Strata RPTU1A PRI Card Description:

Yealink EXP38 IP Expansion Module Check Jogger and Quality of Service (QoS)Yealink EXP38 IP Expansion Module Description: The Yealink EXP38 is an expansion module for Yealink IP phones. The expansion module has been designed to provide 38 additional programmable DSS keys to a Yealink phone. Up to 6 expansion modules can be daisy chained together for those who need access to a large amount of DSS keys. Dual color LED indicators are included with each button to alerts users to the status of each line. The Yealink EXP38 module