Grandstream GXW400x User Manual Bedienungsanleitung PDF herunterladen (Seite 48)

FIRMWARE VERSION 1.0.14.1 GXW400X USER MANUAL Page 46 of 60

Support SIP Instance

Default is Yes. If set to Yes, the contact header in REGISTER request will contain SIP

Instance ID as defined in IETF SIP Outbound draft.

Validate incoming SIP

message

Default is No. If set to yes all incoming SIP messages will be strictly validated according

to RFC rules. If message does not pass validation process, call will be rejected.

Check SIP user ID for

incoming INVITE

Default is No. Check the SIP User ID in Request URI. If they don’t match, the call will

be rejected.

Authenticate incoming

INVITE

Default is No. If set to Yes, device will challenge the incoming INVITE for the

Authenticate ID and Password with 401 Unauthorized.

Allow Incoming SIP

Messages from SIP

Proxy Only

Default is No. If incoming SIP message does not match with SIP Server, it will be

rejected.

Use Privacy Header

If set to Default, it will only add Privacy or PPI header when special feature is not

Telkom SA or CBCOM.

Use P-Preferred-

Identity Header

If set to Default, it will only add Privacy or PPI header when special feature is not

Telkom SA or CBCOM.

SIP T1 Timeout

T1 is an estimate of the round-trip time between the client and server transactions.

If the network latency is high, select larger value for more reliable usage.

SIP T2 Interval

Maximum retransmission interval for non-INVITE requests and INVITE responses.

SIP Timer D

Set the SIP Timer D. Default is 0.

DTMF Payload Type

Sets the payload type for DTMF using RFC2833.

Preferred DTMF

method (in listed

order)

The GXW400X supports up to 3 different DTMF methods including in-audio, via RTP

(RFC2833) and via Sip Info. The user can configure DTMF method in a priority list.

Disable DTMF

Negotiation

Default is No. If set to yes, use above DTMF order without negotiation

Send Hook Flash

Event

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

Enable Call Features

Default is Yes. (If Yes, call features using star codes will be supported locally)

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.

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