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Grandstream Networks, Inc. GXW-400x User Manual Page 23 of 31

Firmware 1.0.0.17 Last Updated: 12/2006

DTMF Payload

Type

Sets the payload type for DTMF using RFC2833.

DTMF in-audio

Send DTMF as inband (in-audio).

DTMF via RTP

Send DTMF via RTP (According to RFC 2833).

DTMF via SIP

INFO

Send DTMF via SIP INFO message.

Send Flash

Event

Default is NO. If set to yes, flash will be sent as DTMF event.

Enable Call

Features

Default is No. If set to Yes, Call Forwarding & Do-Not-Disturb are supported locally

Off-Hook Auto

Dial

Allows the user to configure a User ID or extension number to be automatically

dialed upon off-hook. Only the user part of a SIP address needs to be entered

here. The phone will automatically append the “@” and the host portion of the

corresponding SIP address.

Proxy Require

SIP Extension to notify SIP server that the unit is behind the NAT/Firewall.

Use NAT IP

NAT IP address used in SIP/SDP message. Default is blank.

Distinctive

Ringtone

CustomRing Tone 1 to 3 with associate Caller ID: when selected, if Caller ID is

configured, then the device will ONLY uses this ring tone when the incoming call is

from the Caller ID. System Ring Tone is used for all other calls. When selected but

no Caller ID is configured, the selected ring tone will be used for all incoming calls.

Disable Call

Waiting

Default is No.

Disable Call

Waiting Tone

Default is No.

Ring Timeout

Incoming call will stop ringing when not picked up given a specific period of time.

No Key Entry

Timeout

Default is 4 seconds.

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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