Auerswald COMpact 4000 Operation Manual page 578

Settings
ISDN Connection
PTP Connection Settings
For call forwarding via the PBX, use any available call channel
When an external phone number is forwarded, the call can be forwarded via a call channel
on any of the other ports.
A call can only be redirected via a call channel on the same port. The probability that the call
cannot be forwarded because the channels are busy is therefore higher.
Delay time for Call Forwarding on no reply in the PBX
This delay time for external numbers specifies the time (in seconds) after which a call is
forwarded if the called subscriber does not respond.
Note: The waiting time applies only to call forwarding that was set up using
the PBX. If the network provider has configured the call forwarding function,
the waiting time depends on their settings and cannot be configured in the
PBX.
LCR
Requirements:
• Network provider must support the dial-around service
• Configured prefixes (country prefix and local area code)
• Configured LCR (see Functions > LCR section)
The ISDN connection is used for LCR calls.
Notes:
LCR must be disabled if the network provider does not support LCR.
However, you can always perform LCR manually by dialling a provider area
code prefix if the network provider supports the dial-around service.
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COMpact 4000 - Firmware V6.6A - Installation, Operation and Configuration V03 03/2016