Section 700 - Operation
Chapter 7. SLT Features
S-ICX-64-700
S-ICX (International) issued April 2002
291
Offhook Signalling
Description
Offhook Signalling sends a tone over the handset to a busy extension to indicate that a trunk call has
arrived or a call is camped-on. Prior to Version 5.0, users receiving an offhook signal during a
conversation had to end the call before answering an incoming call. Beginning with Version 5.0, users
receiving an offhook signal during conversation can press and release the hook quickly (hookflash) to
place the current call on hold and answer the incoming call.
Operation
After receiving an offhook signal during a call:
OR
NOTE: The steps outlined above can be performed only when the necessary settings have been
programmed into the system.
Hardware Requirements
•
N/A
Considerations
•
The trunk call type may be either multiple ring, or DDI/DIL whose destination is set to Auto
camp-on (Call Waiting).
•
Offhook signalling is not supported for an ISDN terminal.
•
The System does not send the offhook signal under the following conditions:
• During a conference call
• During an OHVA or Busy Override
• Data Privacy is enabled
• Receiving telephone is a 3rd party voice mail.
Action
Result
1. Complete the first call and place the handset on hook.
First call is terminated.
2. After the telephone rings, go off hook.
Incoming call is answered.
Action
Result
1. Press and release the hook quickly (hookflash).
First call is placed on hold; incoming call
connects.
2. Press and release the hook quickly to go back to the
original call.
First call connects again.