The Panasonic KXTD 208 Telephone System comes configured with one ISDN2 line (2channels)to connect directly to digital lines Extra device port, each digital phone allows an additional to wire device to be connected with a unique number An extension is able to divert its call to an outside telephone number Multi-subscriber numbering (MSM) and Direct dialling in (DDI) each extension is able to be called by having its own direct dial number Calling line identity (CLI) Any proprietary keyphone with LCD can display an incoming callers telephone number Conference, Hold and Transfer, 100 number memory, Doorphone