Both the AVT-24™ and AVT-44™ are now available with NoTrain firmware!
Any Series II AVT-24 or -44 in service today can be in-field firmware upgradeable (at no charge from the Firmware Download page on the web!)
AVT-24™ Teleconference Interface


Line Level interface
Simple, powerful remote control protocol
DTMF dialing
Programmable Auto-answer
Firmware upgradeable (in-field)
AVT-44™ Integrated Teleconference Interface


4 Microphone Inputs
10 Watt, 8W Power amplifier
Line Level expansion input
Line Level expansion output
Simple, powerful remote control protocol
DTMF dialing
Programmable Auto-answer
Firmware upgradeable (in-field)