CLOUD VOICE S Service
– Cisco IP Phone 6921
Version 4.0
3
© 2018 WTT HK Limited, All Rights Reserved
WTT CLOUD VOICE S service enabled by Cisco Unified IP Phone 6921 delivers an
affordable, business-grade voice communications solution with basic yet comprehensive
IP Phone features addressing the voice communication needs of a cubicle worker who
conducts low to medium telephone traffic.
1
Phone Set Features and Functions
1.1 Operation for IP Phone 6921
Item
Description
1
DC adaptor port (DC48V).
2
AC-to-DC power supply.
3
AC power wall plug.
4
Port for connecting to Ethernet port in
your workplace
5
Handset connection.
6
Headset connection (optional).
Notes: IP Phone 6921 cannot function properly when there is a failure in power supply.
