NetComm 6510 - Manual (Page 25)

6510 UM Telephone User Guide 23
Message Menu
Note 2: While listening to a message, you can activate several
playback options by using the asterisk key (*) followed by a
keypad number or symbol.
These combinations are as follows:
Note 3: The options for playing the message louder or softer are PBX
dependent and may not be available on all systems.
Keys Function
*1 Pause message (5 seconds)
*2 Play message louder
*4 Play message slower
*6 Play message faster
*8 Play message softer
** Rewind message (5 seconds)
*# Fast Forward (5 seconds)