Specifications

Using the phone system 107Final
Make a call with the headset
To make a call while using the headset, press a Line Appearance key and dial
the number. line. You can also use dial, directory dial, and speed dial features.
See the section for making a call for your phone model in this guide.
Switch to the handset
To divert the operation back to the handset, the user can either
• Disconnect the headset from the phones jack or
• Use an external headset adapter box which has a dedicated headset/
handset switch.
Using a
Programmab
le Key
Module
A Programmable Key Module (PKM) provides additional memory keys to
those provided on your phone. The system supports the Mitel 5412 PKM
which provides an extra 12 additional memory keys and the Mitel 5448 PKM
which provides an additional 48 memory keys. If required you can have up to
two 5448 PKM units on one phone.
The PKMs can be attached to Mitel 5224 or 5324 IP phones.
To attach the PKM, follow the instructions that are provided in the box.
To program the memory keys on the PKM, see “Program memory keys on
PKM” on page 125.
Mitel 5310
IP
Conference
Unit
The Mitel 5310 IP Conference Unit connects to the headset port of the Mitel
5224, 5324, 5330, or 5340 IP Phone and is designed to provide optimal
performance in any office to a maximum of 15 feet by 25 feet (4.5 meters by
7.6 meters).
Note that there are two different conference unit types - one type connects to
Mitel 5224 IP phone, the other connects to Mitel 5324/5320/5330/5340/5260
IP phones
To attach the Mitel 5310 IP conference unit, follow the instructions in the box.
For Mitel 5320/5330/5340/5260 IP phones, you will need to program a
memory key as a conference unit key in order to use the conference unit. See
“Program memory keys” on page 124.
Features of the conference unit include:
• Acoustic beam-forming technology to locate the direction of speech
• Noise reduction and automatic gain control to eliminate background noise
• Presentation mode that locks the microphone array to the current speaker