Grandstream Networks GXW40XX User Manual download pdf (Page 33)

Grandstream Networks, Inc. GXW40XX User Manual Page 33 of 38

Firmware 1.0.4.2 Last Updated: 06/2011

Subscribe for MWI

Default is

No. When set to “Yes” a SUBSCRIBE for Message Waiting Indication will be

sent periodically.

Send Anonymous

If this parameter is set to “Yes”, the “From” header along with Privacy and

Asserted_Identity headers in outgoing INVITE message will be set to anonymous,

blocking Caller ID.

Anonymous Call

Rejection

Default is No. If set to Yes, incoming calls with anonymous Caller ID will be rejected with

486 Busy message.

Special Feature

Default is

Standard. Choose the selection to meet some special requirements from

Softswitch vendors. Example of vendors - CBCOM, RNK.

Session Expiration

Grandstream implemented SIP Session Timer. The session timer extension enables SIP

sessions to be periodically “refreshed” via a SIP request (UPDATE, or re-INVITE. When

the session interval expires, if there is no refresh via a UPDATE or re-INVITE message,

the session will be terminated.

Session Expiration is the time (in seconds) at which the session is considered timed out,

if no successful session refresh transaction occurs beforehand. The default value is 180

seconds.

Min-SE

The minimum session expiration (in seconds). The default value is 90 seconds.

Caller Request Timer

If selecting “Yes” the phone will use session timer when it makes outbound calls if

remote party supports session timer.

Callee Request Timer

If selecting “Yes” the phone will use session timer when it receives inbound calls with

session 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

Refresher

As a Caller, select UAC to use the phone as the refresher, or UAS to use the Callee or

proxy server as the refresher.

UAS Specify

Refresher

As a Callee, select UAC to use caller or proxy server as the refresher, or UAS to use the

phone 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.

Send Re-INVITE After

Fax

Default is No, If set to “Yes”, device will send an INVITE with audio vocoders upon

completition of Fax to continue session in audio only.

Use First Matching

Vocoder in 200OK

SDP

Default is No. If set to “Yes”, device will include only the first match vocoder in its 200OK

response, otherwise it will include all match vocoders in same order received in INVITE.

Preferred Vocoder

The GXW40XX supports up to 5 different Vocoder types including G.711 A-/U-law,

G.726 (Supports bit rates 16, 24, 32 and 40), G.723.1, G.729A/B/E and iLBC. The user

can configure Vocoders in a preference list that will be included with the same

preference order in SDP message. The first Vocoder is entered by choosing the

appr

opriate option in “Choice 1”. The last Vocoder is entered by choosing the

appropriate option in “Choice 8”.

G723 Rate

Defines the encoding rate for G.723 vocoder. By default, 6.3kbps rate is chosen.

iLBC Frame Size

Sets the iLBC frame size in 20ms or 30ms

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Grandstream Networks GXW40XX User Manual Page 33

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