UM7713LP
Handset Receiver -- Hearing aid compatibility
Wall Mount Hook Keep the handset on hook while
in wall mount condition.
Flash Button 600ms flash time by default; flash time
can be set from 100 to 900 ms, or set at 1000ms.
Redial Button -- automatically redial the last dialed number.
By default, the last dialed number disappears after 5 minutes
to protect guestsprivacy. You can set whether the last
dialed number shall disappear or not.
VOL Button three-level volume adjusting.
Mute Button In phone conversation, it can stop phone
transmission on your side (with light indicator).
Message Waiting Light indicator of ringing, voice
message; high-voltage and Lucent light by default.
Wall-mount or Desk-mount Optional.
SOS optional