Zoom ADSL X6v 5697 - Manual (Page 71)

Chapter 4: Setting Up VoIP Service 71
*77 Block all calls that don’t have a Caller ID.
*87 Stop blocking calls that don’t have a Caller ID.
*78 Do Not Disturb. Your phone won’t ring.
*79 Turn off Do not Disturb. Lets your phone ring.
Resetting Your VoIP
Configuration
To reset the X6v to your most recently saved VoIP configuration,
put the end of a pin or paper clip into the VoIP RESET hole (the
top one of two reset holes) in the back panel and hold the button
down for 5 seconds or more.
To restore the X6v to the most recent settings given to you by your
VoIP service provider, press and hold the VoIP RESET button
for 5 seconds or more, and then release. Wait two minutes, then
press and hold the button for at least 5 more seconds.
To restore the factory default VoIP configuration, press and hold
the VoIP RESET button for 15 seconds.