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• Call Return
• Call Hold
• Call Waiting
• Making a Second Call
• Call Transfer
• Call Forwarding
• Three-Way Conference
• Internal Calls
• Call Park and Pickup
• Do not Disturb
• IVR
• Call Completion
• CCBS
• Outgoing SIP
Note: To take full advantage of the supplementary phone services available through the
EMG's phone ports, you may need to subscribe to the services from your VoIP service
provider.
22.8.2.1 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 EMG.
You can invoke all the supplementary services by using the flash key.
22.8.2.2 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 103 European Flash Key Commands
COMMAND
Flash
Flash
Flash
Chapter 22 Voice
SUB-COMMAND
DESCRIPTION
Put a current call on hold to place a second call.
Switch back to the call (if there is no second call).
0
Drop the call presently on hold or reject an incoming call which is waiting for
answer.
1
Disconnect the current phone connection and answer the incoming call or
resume with caller presently on hold.
EMG6726/8726-B10A User's Guide
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