Introduction
16

Secure Voice Transmission

You can set up a secure connection with optiPoint 410/420 advance S V7.0
phones if the receiving phone also has the capability. The voice transmis-
sion is encrypted; it is decrypted in the receiving party’s telephone. Even
the signaling for call setup and the exchange of encryption information oc-
cur over a secure connection. The phones must have valid registration on
an SIP server.
Features
Four-line alphanumeric display
Time and date indication
Speakerphone and loudspeaker
Redial and storage of last 20 numbers
On-hook dialing
Menu texts in the national language
18 and/or 19 (optiPoint 410 advance S V7.0) function keys which are all
programmable on two levels
3 dialog keys for menu navigation
Assignment of selected destination numbers to dialing keys
Display of the callers phone number or name
Call Deflection, Consultation, Call Transfer, Toggle, Call Holding
Call Forwarding
• Conferencing
Password-protected user settings
Variable ringer tone, volume, and sequence
Simultaneous ringing, which alerts you to incoming calls at more than
one location
Telephone Types
The administrator can set up the optiPoint 410/420 advance S V7.0 as:
a single-line telephone
a multiline telephone
During secure voice transmission a lock symbol is displayed on the
phone (also see page 23)