ZyXEL Communications P-2812HNU-51c User Manual page 202

Chapter 9 Voice
After pressing the flash key, if you do not issue the sub-command before the
default sub-command timeout (2 seconds) expires or issue an invalid sub-
command, the current operation will be aborted.
Table 60 USA Flash Key Commands
COMMAND
Flash
Flash
USA Call Hold
Call hold allows you to put a call (A) on hold by pressing the flash key.
If you have another call, press the flash key to switch back and forth between
caller A and B by putting either one on hold.
If you hang up the phone but a caller is still on hold, there will be a remind ring.
USA Call Waiting
This allows you to place a call on hold while you answer another incoming call on
the same telephone (directory) number.
If there is a second call to your telephone number, you will hear a call waiting
tone.
Press the flash key to put the first call on hold and answer the second call.
USA Call Transfer
Do the following to transfer an incoming call (that you have answered) to another
phone.
Press the flash key to put the caller on hold.
1
When you hear the dial tone, dial "*98#" followed by the number to which you
2
want to transfer the call. to operate the Intercom.
After you hear the ring signal or the second party answers it, hang up the phone.
3
USA Three-Way Conference
Use the following steps to make three-way conference calls.
202
SUB-
DESCRIPTION
COMMAND
Put a current call on hold to place a second call. After the
second call is successful, press the flash key again to
have a three-way conference call.
Put a current call on hold to answer an incoming call.
*98# Transfer the call to another phone.
P-2812HNU-51c User's Guide