Firmware 1.0.21.9 for UCM6301/6302/6304/6308/6300A/6302A/6304A/6308A released as official
[UCM63xx EcoSystem]
(4)
Realistically can either the 8 or 20w speakers (GSC3505 or GSC3506) be used in a factory?
[GSC3505/3510 SIP Intercom Speaker / Microphone]
(16)