Auerswald COMpact 4000 Operation Manual page 570

Settings
ISDN Connection
PTMP Connection Settings
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.
Routing via exception numbers (VoIP + GSM + LCR)
Requirements:
• Exception numbers (VoIP/GSM routing) are set up
• Selected option PBX (2nd call channel) under Call Forwarding via
The device checks whether the destination number involved in call forwarding for external
numbers has been set up as an exception number. If so, the call is sent along the configured
path. If the destination number has not been entered in the routing table, the call to be
forwarded is sent either via a free call channel that is assigned to the port or via any free call
channel (For call forwarding via the PBX, use any available call channel
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