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Grandstream Networks GXW42XX series - Call Settings

Grandstream Networks GXW42XX series
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FIRMWARE 1.0.4.4 GXW42XX USER MANUAL PAGE 47 OF 57
Enable Hook
Flash
If no, flash will be treated as an on hook event.
Hook Flash timing
(Minimum)/
(Maximum)
Sets the minimum/maximum time the phone is on hook before being detected as a hook flash.
The range is 40 to 2000 milliseconds
On Hook Timing
Sets the time required to detect that the phone is on hook. The range is 40 to 2000
milliseconds. Default is 400 milliseconds.
Gain
Handset volume adjustment. RX is for receiving volume (direction FXSto analog phone), TX
is for transmission volume (Analog phone to FXS). Default values are 0dB for both
parameters. Loudest volume: +6dB Lowest volume: -6dB.
Disable Line Echo
Canceller (LEC)
Default is No. If set to “Yes”, device will not use LEC to remove echo from a voice
communication.
SLIC Setting
Depends on standard phone type (and location)
Caller ID Scheme
Select the value according to the local Telco standard where the GXW42XX is installed.
Please refer to the pull down list to select.
Call Settings
Early Dial
Default is No. Use only if proxy supports 484 response. This parameter controls whether the
phone will send an early INVITE each time a key is pressed when a user dials a number. If set
to “Yes”, an INVITE is sent using the dial-number collected thus far; Otherwise, no INVITE is
sent until the “(Re-)Dial” button is pressed or after about 5 seconds have elapsed if the user
forgets to press the “Re-Dial” button. The “Yes” option should be used ONLY if there is a SIP
proxy configured and the proxy server supports 484 Incomplete Address response. Otherwise,
the call will likely be rejected by the proxy (with a 404 Not Found error).
This feature is NOT designed to work with and should NOT be enabled for direct IP-to-IP
calling.
Dial Plan Prefix
Sets the prefix added to each dialed number.

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