instead of overriding by DSP utilization concerns.
Enable DNS SRV Resolution
Select to enable looking up IP of dynamic clients or trunks
by DNS Service records before their successful
registrations.
Disable Line-in-use Call Back
PBX supports call back function when an extension
without multi-line function is in use. Select to disable Line-
in-use Call Back function.
Disable Exponential Backoff in SIP
Retransmission
Select to disable exponential SIP retransmission.
Use LAN Interface Only
When enabled, SIP service will be communicated based
on primary LAN interface.
Ignore SIP Server’s Expiration Time
Select to use “Default Expiration Time” as minimum
expiration time.
5.1.14Hotkey
IP PBX supports hotkey settings for Transfer, Hold, Unhold, Pickup, Redial and Intercom function.
Table 5-18IP PBX Hotkey Settings
Function
Description
Transfer
Transfer a current call to another extension specified.
The default is *#. E.g. the transferor presses *#100 to
transfer the call to Extension 100.
Hold
Place a call on hold.
The default is *6.
Unhold
Remove the call from hold.
The default is *7.
Quick Call Park
Pickup
Pick up a ringing call.
The default is *8.
Redial
Redial the last number called.
The default is *5.
Intercom
Talk to the specific extension right away.
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