Grandstream GXW400x User Manual - Manual (Page 48)

FIRMWARE VERSION 1.0.14.1 GXW400X USER MANUAL Page 46 of 60
Support SIP Instance
ID
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.