72 Hardware options• Norwegian• Swedish• Finnish• DutchTelephone wall mount kitThe telephone wall mount bracket kit contains a one-piece wall mountplate that attaches the M3903, M3904, and M3905 telephone to the wall.The wall mount kit is available from your local Nortel representative. TheM3901 and M3902 have built-in wall mount brackets.Full Duplex Handsfree AccessoryThe Full Duplex Handsfree Accessory (simultaneous two-wayconversation) is a cartilage accessory that provides full duplex handsfreecapability for the M3904 Release 3 (NTMN34GA or later) telephone set.You insert the cartridge into the M3904’s ACM.The FDHF functionality requires the following hardware:• M3904 Release 3 telephone set (NTMN34GA or later).NTMN34TA is the M3904 Release 3 icon set that supports FDHF.• Full Duplex Handsfree cartridge (NTMN72AA or later)• Accessory Connection Module (NTMN71AA)• 110V wall transformer to power the FDHF cartridge (NTMN80AA)Nortel Communication Server 2100M3900 Series Meridian Digital Telephones User GuideNN42200-110 09.01 Standard20 August 2008Copyright © 2008 Nortel Networks.