Mitel 5603 - Manual (Page 22)

5603 Wireless Handset User Guide
16
During a Call
If configured in the PDM/WSM, it is possible to call an emergency call while the handset/ keypad
is locked. During the ongoing emergency call, the soft key "More" and the soft key "R" are
disabled.
Adjust the Volume during a Call
On the navigation key, press and to increase and decrease the volume, respectively.
The handset will now store and keep the new volume level.
Open Contacts during the Call
1. Press the "More" Soft key during the call.
2. Select "Contacts".
3. Press "Select".
4. Select "Call contact" for searching a local or company phonebook contact, or select "Central
phonebook" for searching a central phonebook contact.
5. Press "Select".
6. Select or search contact.
Turn the Microphone on/off during a Call
1. Press the "More" Soft key during the call
2. Select "Microphone off"
3. Press "Select".
The icon indicates a silenced microphone. This means that the other part in an ongoing
call cannot hear you. To turn the microphone back on, do as follows:
1. Press the "More" Soft key during the call.
2. Select "Microphone on".
3. Press "Select".
It is also possible to turn the microphone off/on by a long press on .
Note: Some of these functions are system dependent. The parameters are set up in the
Portable Device Manager (PDM), see the Mitel 5603 Wireless Handset Configuration
Manual and Portable Device Manager (PDM) Installation and Operation Manual.
Note: It is possible to call the selected contact by pressing "Call". When calling the
contact, the first call will be put on hold. See also “Start a New Call during Conversation”
on page 17.