Aastra Dialog 4220 Dialog 4220 Lite for BusinessPhone, user guide - Page 7
Line 1 / Save/Redial, Message / Info
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Description 1 2nd Key for access to secondary key functions. 2 Transfer / Diversion a. Transfer an ongoing call. See section "During Calls" on page 27. b. Activate/Deactivate diversion. See section "Call Forwarding" on page 36. 3 Inquiry / Conference a. To make an inquiry to an internal or external party. b. To establish a telephone conference. See section "During Calls" on page 27. 4 Line 2 Line key 2 for in and outgoing calls. 5 Line 1 / Save/Redial a. Line key 1 for in and outgoing calls. b. Save or redial an external number. See section "Outgoing Calls" on page 17. 6 Message / Info a. To send and receive messages. See section "Messages" on page 49. b. To enter information. See section "Absence Information" on page 42. 7 Programmable keys Storing numbers and program functions. 8 Mute To switch the microphone on or off. See sections "During Calls" on page 27 and "Silent ringing" on page 15. 9 Loudspeaker on/off To switch the loudspeaker on or off. See section "During Calls" on page 27. 10 Volume control 11 Clear To disconnect calls. 12 Loudspeaker 13 Handset with hearing aid function Please note: The handset may attract and retain small metal objects in the earcap region. BusinessPhone - Dialog 4220 Lite / Dialog 3210 7