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Force INVITE
Session Timer can be refreshed using INVITE method or UPDATE method. Select
“Yes” to use INVITE method to refresh the session timer.
Enable 100rel
The use of the PRACK (Provisional Acknowledgment) method enables reliability to
be offered to SIP provisional responses (1xx series). This is very important if PSTN
inter-networking is to be supported. A user’s request to use reliable provisional
responses is invoked by the 100rel tag which is appended to the value of the
required header of initial signalling messages.
Refer-to uses
Target Contact
Default is NO. If set to YES, then for Attended Transfer, the “Refer-To” header uses
the transferred target’s Contact header information.
Preferred
Vocoder
The GXW-410x supports up to 5 different Vocoder types including G.711 A-/U-law,
GSM, G.723.1, G.729A/B. The user can configure Vocoders in a preference list
that will be included with the same preference order in SDP message. The first
Vocoder in this list can be entered by choosing the appropriate option in “Choice 1”.
Similarly, the last Vocoder in this list can be entered by choosing the appropriate
option in “Choice 8”.
Special Feature
Default is Standard. Choose the selection to meet some special requirements from
Soft Switch vendors like Nortel, Broadsoft, etc.
Grandstream Networks, Inc. GXW-410x User Manual Page 25 of 37
Firmware 1.0.0.53 Updated: 04/2007