Call waiting with “Caller ID” uses a special signal in
order to warn you about an incoming call, during another call there are shown the
name and number of the calling subscriber on the display. The function also
allows switching between two calls.
Konftel 300IP - connects to VoIP-lines via SIP protocol. This phone is equipped with advanced features that allow making more efficient conference calls. For example, you can record and store records of meetings using the memory of SD card.