Does the 210-810-2410-3010 series VoIPs support configuration via Telnet or a Web browser?

No, configuration via Telnet is not supported on the new platform. They will still work with the Multivoip Manager for remote management.

Web managment and configuration is supported provided with the firmware releases specified below. You must use IE 6.01 with Java installed.

Go to http://www.multitech.com/en_US/SUPPORT/Families/MultiVOIP/firmware

Download 6.03 or greater firmware for mvp210/410/810.
or
Download 4.03 or greater firmware for mvp2400/2410/3000/3010.