Unify OpenScape IP 35G SIP User Manual

Basic functions 31
Basic functions
Secure voice transmission
Prerequisite: The secure voice communication option must be activated by
your administrator.
If you call a party or receive a call from a party over a secure connection, a pad-
lock icon appears on the display.
1
appears on the other party’s line. You can opt
to have voice connections that are no longer secure indicated by a brief alerting
tone and the message "Unencrypted call" appears on the second line for two
seconds (see
 Page 179).
Emergency mode
If a failover system has been set up for your OpenScape Voice, you can still
make calls and use the functions of the failover system despite network faults,
for example.
If it happens that your telephone is no longer connected to OpenScape Voice, it
is registered automatically on the configured failover system. The message "Re
-
str. server function {1}" then appears on the display.
Some functions may not be accessible while in emergency mode, for example:
• Call forwarding
• Voicemail
• Callback
• Group functions
• Multiline
• OpenScape Voice functions
Please read the introductory chapter "Getting to know your
OpenScape
Desk Phone IP 35G/35G Eco"  Page 13 carefully before
performing any of the steps described here on your phone.
1. Closed for secure or open for nonsecure voice communication

Unify OpenScape IP 35G SIP Specifications

General

Brand	Unify
Model	OpenScape IP 35G SIP
Category	IP Phone
Language	English