Grandstream GXW42xx User Manual - Manual (Page 46)

FIRMWARE 1.0.5.8 GXW42XX USER MANUAL PAGE 44 OF 62
Local SIP Port Defines the local SIP port the GXW42XX will listen and transmit. The default value for Profile 1
is 5060 and 6060 for Profile 2.
Use Random SIP
Port
Default is No. If set to Yes, the device will pick randomly-generated SIP ports. This is usually
necessary when multiple GXW42XX /HT50X are behind the same NAT.
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 Timeout Maximum retransmission interval for non-INVITE requests and INVITE responses.
Remove OBP from
Route Header
Default is No. If set to Yes, the Outbound Proxy will be removed from the route header.
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.
Refer-To Use
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.
SUBSCRIBE for
MWI
Default is No. When set to Yes, a SUBSCRIBE for Message Waiting Indication will be sent
periodically.
Enable 100rel Enables the use of PRACK (Provisional Acknowledgment) method.
TEL URI The default setting is “Disabled”. If the phone has an assigned PSTN Number, this field should
be set to “User=Phone” then a “User=Phone” parameter will be attached to the “From header”
in the SIP request to indicate the E.164 number. If server supports TEL URI format, then this
option needs to be selected.
Use Request
Routing ID in SIP
Headers
Default is No. If set to Yes, device will use the configured [Request URI Routing ID] in the SIP
Header. This option is usually used under a SIP trunk account’s configuration.
Do Not Escape '#'
as %23 in SIP URI
If set to “Yes”, device will use ‘#’ instead of %23 in the send URI.
Disable Multiple m
Line in SDP
Default is No. If set to Yes, device will send only one m line in SDP, regardless how many
m field in the incoming SDP.
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.