This sound is produced for incoming calls. You can choose different ring tones for different calls (e.g. from certain numbers or internal and external calls).

This sound is heard before a connection is made.

You have a new voice message.

Produced after dialing a subscriber whose line is busy.

Generated for a subscriber whose line is busy, who is telephoning when a further call is received which can be picked up on another line. However, this requires that the “Disable Secondary Call” function has not been activated.

This sound is played when the destination subscriber has not picked up the call and the Timer (10 seconds) has expired. Acoustic signaling in the form of an attention tone takes place only once if call signaling is activated.

This tone is generated when you leave a "Callback on busy" request. The other subscriber has ended his call. If you confirm the callback, a connection will be initiated.

This tone is produced at the beginning of a direct call. Another internal subscriber, to whom you signal your status, has initiated a direct call connection to you and the telephone activates the speaker. If you would like to answer the subscriber, please lift the handset.