Specifications

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Figure 2-20 Functional keys configuration interface
Table 2-24 Functional keys configuration parameter
Title Explanation
System Functional
Key
Query IP address The function key for inquiring the IP address of gateway, with default of
##. Dialing this key users can hear gateway broadcasting IP address and
system software version number.
Narrative: if the gateway is only equipped with FXO port, connect FXO
port through PBX extension line or PSTN direct line, and dial the
number of this line accordingly, press “##” immediately after hearing
the second dial tone, users may thus hear IP address and system software
version number of the gateway.
Query phone
number
The function key for inquiring the phone number of this subscriber line,
with default of #00. Dialing this key may hear the phone number of the
subscriber line broadcasted by gateway.
Service Functional
Key
Activate CFU The function key for activating unconditional call forwarding, with
default of *60. Dialing this key may activate unconditional call forward
of the line, and set the destination number for call forwarding.
User operation: Off hook → press *60 →enter the destination number.
Users can inquire the latest destination number set by dial “ *60* ”.
Note: it’s required to enable call forwarding service before using this
function (please see the instructions on relevant configuration of
“subscriber line”).
Deactivate CFU The function key for deactivating unconditional call forwarding, with
default of #60.
User operation: Off hook → press #60 → hang up.
Activate CFB
The function key for activating call forwarding on busy，with default of
*61. Dialing this key may activate CFB, and specify the destination
number.
Note: it’s required to enable call forwarding on busy service before
using this function (please see the instructions on relevant configuration
of “subscriber line”).
Deactivate CFB The function key for deactivating call forwarding on busy, with default
of #61.
User operation: Off hook → press #61 → hang up.