Download gxw42xx features - VoIP

Caller Request
If selecting “Yes” the phone will use session timer when it makes outbound calls if remote party
Timer
supports session timer.
Callee Request
If selecting “Yes” the phone will use session timer when it receives inbound calls with session
Timer
timer request.
Force Timer
If selecting “Yes” the phone will use session timer even if the remote party does not support this
feature. Selecting “No” will allow the phone to enable session timer only when the remote party
support this feature.
To turn off Session Timer, select “No” for Caller Request Timer, Callee Request Timer, and
Force Timer.
UAC Specify
As a Caller, select UAC to use the phone as the refresher, or UAS to use the Callee or proxy
Refresher
server as the refresher.
UAS Specify
As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to use the phone
Refresher
as the refresher.
Force INVITE
Session Timer can be refreshed using INVITE method or UPDATE method. Select “Yes” to use
INVITE method to refresh the session timer.
SIP Settings - Security Settings
Validate Incoming
Defines whether the incoming messages will be validated.
Messages
If set to "Yes", SIP User ID will be checked in the Request URI of the incoming INVITE. If it
Check SIP User ID
doesn't match the phone's SIP User ID, the call will be rejected. Direct IP calling will also be
for Incoming
disabled.
INVITE
Accept Incoming
If set to "Yes", SIP User ID will be checked in the Request URI of the incoming INVITE. If it
SIP from Proxy
doesn't match the phone's SIP User ID, the call will be rejected. Direct IP calling will also be
Only
disabled.
Authenticate
If set to "Yes", the phone will challenge the incoming INVITE for authentication with SIP 401
Incoming INVITE
Unauthorized response.
Fax Settings
Fax Mode
T.38 (Auto Detect) FoIP by default, or Pass-Through (must use codec PCMU/PCMA)
Fax Tone
Default is Callee. This decides whether Caller or Callee sends out the re-INVITE for T.38 or
Detection Mode
Fax Pass Through.
FIRMWARE 1.0.4.4
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GXW42XX USER MANUAL
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