Aastra Dialog 4422ip Aastra Dialog 4400 IP Telephones, datasheet - Page 2

Aastra Dialog 4420 IP - Basic The Dialog 4420 IP is equipped with 12 function keys with integrated LED indicators. Seven of the function keys are programmable for speed dialling or service features supported by the telephony system. The remaining keys are used for locally controlled feature keys; mute key for switching off the microphone and volume control. The phone supports programmable ring tones and has a monitor-speaker for convenient of ongoing call or call set-up. Aastra Dialog 4422 IP - Office The Dialog 4422 IP is equipped with 13 function keys with integrated LED indicators. Seven of the function keys are programmable for speed dialling or service features supported by the telephony system. In addition to the Dialog 4420, the Dialog 4422 includes a graphical two-line display for number and name presentation. The display, with adjustable viewing angle, is also used for menu and status information. To further extend the usability, the phone has support for one extra Key Panel Unit with 17 programmable keys and for an Option Unit, providing interfaces for extra bell and busy signal/lamp. With the dedicated headset and loudspeaker/hands-free keys the user can easily switch between the different modes. Aastra Dialog 4425 IP - Vision Dialog 4425 IP Vision is a high-end IP telephone with advanced features, including multiple line handling and graphical display built to handle all user needs. It can also be used in small conference rooms. The Dialog 4425 IP features 23 function keys with LED indicators; 17 are programmable for speed dialling or service features supported by the telephony system. Locally controlled feature keys are: mute key for switching off the microphone and volume control. This phone has support for one extra key panel with 17 keys. Using the navigation keys in combination with soft keys, users can easily access a display menu with a number of system features such as phone book, call list, diversion, absence reason etc. Dialog 4420 IP Basic Dialog 4422 IP Office Dialog 4425 IP Vision