The function allows you choosing a number that you want in order to
light up during the call to traditional telephones. You can also unlist the
number and it won’t light up.
SoundPoint IP 321/331 is a SIP phone with 2-line support, which has excellent quality of sound and the wide range of IP telephony features. SoundPoint IP 321 has one 10/100 Ethernet port (331 model has two ports), through which it can be used in areas such as lobbies, hallways, resting rooms. You can also mount this device on the wall.