1 EnglishContents1. Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22. Fitting the headset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33. Setting up your desk phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44. Setting up your mobile phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75. Making a call from your desk phone . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86. Answering a call from your desk phone . . . . . . . . . . . . . . . . . . . . . . . . . . . .97. Making and answering a call from your mobile phone . . . . . . . . . . . . . . . .108. Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129. Reset/Pairing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1510. Using the Jabra M5390 Multiuse Headset with multipleBluetooth®-enabled devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1611. Operating devices in multiuse scenarios . . . . . . . . . . . . . . . . . . . . . . . . . .1612. Switching between Base and Jabra A335w Dongle in a multiuse scenario . .1713. Troubleshooting & FAQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1714. Maintenance, safety and disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1815. Appendix – GN 1000 Remote Handset Lifter (RHL) (optional accessory) . . .19Thank youThank you for purchasing the Jabra M5390 Multiuse headset.The Jabra M5390 Multiuse headset is supplied together with the Jabra A335w Dongle and the Jabra M5390 Multiuse base.This unique combination allows you to use one single headset for all your communication needs. The Jabra M5390 Multiuseheadset connects simultaneously to mobile phones and desk phones - or to mobile phones and PC softphones.The headset base and the headset are used together with your desk phone.The dongle allows the headset to communicate with a softphone such as Microsoft Office Communicator, Skype or Cisco IPCommunicator, etc. through your PC or laptop.The headset can also be connected directly to your Bluetooth®-enabled mobile phone.Furthermore, the headset and dongle have been optimised for the new wideband technology and are compliant to theTIA-920 specifications that ensure clear and crisp voice reception and transmission (wideband is only supported betweenthe dongle and the headset).