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Chapter 9 Voice
P-2612HNU-Fx User’s Guide
180
•Internal Calls
• Call Park and Pickup
•Do not Disturb
Note: To take full advantage of the supplementary phone services available through
the ZyXEL Device's phone ports, you may need to subscribe to the services
from your VoIP service provider.
The Flash Key
Flashing means to press the hook for a short period of time (a few hundred
milliseconds) before releasing it. On newer telephones, there should be a "flash"
key (button) that generates the signal electronically. If the flash key is not
available, you can tap (press and immediately release) the hook by hand to
achieve the same effect. However, using the flash key is preferred since the
timing is much more precise. With manual tapping, if the duration is too long, it
may be interpreted as hanging up by the ZyXEL Device.
You can invoke all the supplementary services by using the flash key.
Europe Type Supplementary Phone Services
This section describes how to use supplementary phone services with the Europe
Type Call Service Mode. Commands for supplementary services are listed in the
table below.
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 43 European Flash Key Commands
COMMAND
SUB-
COMMAND
DESCRIPTION
Flash Put a current call on hold to place a second call.
Switch back to the call (if there is no second call).
Flash 0 Drop the call presently on hold or reject an incoming call
which is waiting for answer.
Flash 1 Disconnect the current phone connection and answer the
incoming call or resume with caller presently on hold.
Flash 2 1. Switch back and forth between two calls.
2. Put a current call on hold to answer an incoming call.
3. Separate the current three-way conference call into
two individual calls (one is on-line, the other is on hold).
Flash 3 Create three-way conference connection.
Flash *98# Transfer the call to another phone.