Technical data
Remote control 
43 
Search (skip) 
During the playback, press “4” to search backwards, press “6” 
to search forwards. 
The currently played back message is repeated or skipped. 
Scan function (Flexi speech) 
During playback, press “1” for a slower and “3” for a faster 
playback speed. 
The playback speed is increased or decreased. 
Telephone number announcement 
Press “2” during playback. 
The playback is interrupted and the caller's telephone number is 
announced by synthesised voice (to use this function, your tele-
communications provider must support the transfer of the caller's 
telephone number). 
Erasing the current incoming message 
Press “7” during playback. 
The current ICM is erased. 
Erasing all incoming messages 
Press “*” and “7” consecutively. 
All ICMs are erased. 
Room monitoring/room speaking 
Press “1”. 
The microphone turns on and you can listen to what is happening 
in the surroundings of your Retell 340. 
Press “1” again.  The devices switches to the room speaking function. Persons pre-
sent in the room can hear you through the loudspeaker. 
Activation or deactivation of the  
message transfer 
Press “*” and “4” consecutively. 
The current status “ON” or “OFF” is informed by synthesised voice 
message. 
Activation or deactivation of the time control 
Press “*” and “3” consecutively. 
The current status “ON” or “OFF” is informed by synthesised voice 
message. 
Exchanging the OGM 
Press “7” and the number of the desired OGM (1 ... 6) consecu-
tively. 
The selected OGM is played back for verification purposes. When 
the device answers the next incoming call, the new OGM will be 
played back. 
Changing the OGM 
Press “9” and the number of the OGM to be changed (1...5) 
consecutively. 
Your Retell 340 asks you to record your new outgoing message. 
Recording an OGM.   
For an OGM with
 incoming recording, press “8” after having 
spoken your OGM. 
The OGM is played back for verification purposes. At the end of 
the recording, you will hear one
 signal tone. 
or   
For an OGM without
 incoming recording (announcement only): 
Press # after having spoken your OGM. 
The OGM is played back for verification purposes. At the end of 
the recording, you will hear two signal tones. 










