SNOM C620 SIP Wireless Conference PhoneC620 Get rid of the cables in your meeting room and improve team collaboration. The Snom C620 Wireless Conference Phone uses DECT 6. 0 technology for a completely wireless conference. The system includes a SIP DECT base and docking station and can charge your phone for up to 24 hours (12 hours for wideband audio) of talk time. Simply place two wireless mics into your phone's built in charging bay and you're ready for your next call. The C620 can be