DNAKE IP video intercom registered to 3CX December 16, 2021 565 views By jacky Although DNAKE IP Video Intercom is not officially certified by 3CX. But as long as it supports the standard SIP protocol, you can successfully register to the 3CX system by manually filling in the 3CX extension account into the DNAKE Read More DNAKE IP video intercom registered to 3CX