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.
Cisco SPA525G is a high-tech IP-phone, designed to work in conjunction with five lines. This phone is equipped with a large color LCD display with a diagonal of 3.2 "and refers to telephones of business class. If your company is using all the advantages of modern IP-telephony, this device will be the best choice.