Conversation Increase
the receiver volume
Stand-by Increase the ringer volume
Volume-
Conversation Decrease
the receiver volume
Stand-by
Decrease the ringer volume
Line1
Stand-by
Line1 state (only for two-line model)
Line2
Stand-by
Line2 state (only for two-line model)
Mute
Conversation Mute
Redial Dialing
The last number redial and call
Hold/Conf
Conversation
Hold or release hold or Park key
Two lines on hold Achieve Conference function
(only for two-line model)
FNC/Flash
Conversation
Achieve Transfer function
Speaker
Conversation
Only M series supports it
1
Dialing
“1”, press and hold for 3s to pick up the voice message
2
Dialing
“2”, press and hold for 3s to dial out the number in M6
3
Dialing
“3”, press and hold for 3s to dial out the number in M7
4
Dialing
“4”, press and hold for 3s to dial out the number in M8
5
Dialing
“5”, press and hold for 3s to dial out the number in M9
6
Dialing
“6”, press and hold for 3s to dial out the number in M10
7 Dialing
“7”
8 Dialing
“8”
9 Dialing
“9”
0 Dialing
“0”
* Dialing
“*”
# Dialing
Can be used as the first number dialing out or
equivalent dial end tag