If you are experiencing problems with pressing the flash key twice in a rapid succession (ie. pressing the flash key twice within 1.5 seconds), then you can make changes in the software that will make it easier to accomplish this task. See section 2.3.5.5 for details on setting the Double Flash Time.
3.2.9 Using Phones connected in parallel to TalkSwitch
Phones connected in parallel (not connected to TalkSwitch but connected to the same line) with TalkSwitch will always ring at least once before TalkSwitch starts ringing its extensions or the Auto Attendant answers the call. This occurs because TalkSwitch uses the first ring to identify the incoming ring pattern before passing it on to the extensions or the Auto Attendant (e.g. TalkSwitch determines if the call is a Distinctive Ring and detects any Caller ID information). A parallel phone can ‘barge in’ on any telephone call on any of TalkSwitch’s Lines.
Making and receiving calls on phones connected in parallel with TalkSwitch:
Making Calls: Make calls on parallel connected phones just as you would if TalkSwitch were not sharing the telephone line with them.
Answering Calls: If a call is answered on a parallel connected phone before the Auto Attendant engages, simply continue with the call as per usual, TalkSwitch will take no further action. If a call is answered on a parallel connected phone after the Auto Attendant engages, you can turn off the recorded Auto Attendant
message by using the phone’s touchtone keypad to dial ‘
0’. You may then continue the call on the parallel connected phone.
Transferring calls on parallel connected phones:
Calls answered on a parallel connected phone can be transferred to any TalkSwitch extension or voice mailbox. If you want to transfer the caller, simply
key in the ‘Transfer Prefix 
’, after you hear 2 ‘beeps’ enter the extension or voice mailbox number then hang up. You cannot announce a caller to the transferred extension, but if you do stay on the line, you will be in a ‘conference call’ state. You can hang up at any time.
If you transfer a call from a parallel connected phone and then hang up, the extension will ring the number of times selected for that extension. If the extension is not answered within the specified number of rings, the call will be handled according to that extension’s Call Cascade actions.
When a phone in parallel with TalkSwitch is
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