At an indicated hour a call rings, and you can hear music when picking up the hand-set

There are three types of the alarm clock:

• One-time
• For Required Period
• Periodically

The service allows the subscriber to take another call during a telephone conversation. If another interlocutor calls the subscriber during a telephone conversation, a specific tone signal will ring.

There are three types of call WAiting: 

• Continue conversation without receiving a new call
• Second call answering with current call interruption
• To conduct the conversation with two callers in succession