Firmware Version 1.0.1.27 - Grandstream Networks GXV3240 Administration Manual

Enable 100rel
Use Privacy Header
Use P-Preferred-Identity
Header
SIP Transport
SIP URI Scheme When Using
TLS
Use Actual Ephemeral Port in
Contact with TCP/TLS
Symmetric RTP
Support SIP Instance ID
Validate Incoming SIP
Messages
Authenticate Incoming INVITE
SIP T1 Timeout

Firmware Version 1.0.1.27

supports this feature. To turn off the session timer, select "No". The
default setting is "No".
The use of the PRACK (Provisional Acknowledgment) method enables
reliability to SIP provisional responses (1xx series). This is very
important in order to support PSTN internetworking. To invoke a reliable
provisional response, the 100rel tag is appended to the value of the
required header of the initial signaling messages. The default setting is
"No".
Controls whether the Privacy Header will present in the SIP INVITE
message or not. The default setting is "default": the Privacy Header will
show in INVITE unless "Huawei IMS" special feature is on.
If set to "Yes", the Privacy Header will always show in INVITE. If set to
"No", the Privacy Header will not show in INVITE.
Controls whether the P-Preferred-Identity Header will present in the SIP
INVITE message or not. The default setting is "default": the
P-Preferred-Identity Header will show in INVITE unless "Huawei IMS"
special feature is on.
If set to "Yes", the P-Preferred-Identity Header will always show in
INVITE. If set to "No", the P-Preferred-Identity Header will not show in
INVITE.
Determines the network protocol used for the SIP transport. Users can
choose from TCP/UDP/TLS. The default setting is "UDP".
Specifies if "sip" or "sips" will be used when TLS/TCP is selected for SIP
Transport. The default setting is "sip".
This option is used to control the port information in the Via header and
Contact header. If set to No, these port numbers will use the permanent
listening port on the phone. Otherwise, they will use the ephemeral port
for the particular connection. The default setting is "No".
Defines whether symmetric RTP is supported or not. The default setting
is "No".
Defines whether SIP Instance ID is supported or not. The default setting
is "Yes".
Choose whether the incoming messages will be validated or not. The
default setting is "No".
If set to "Yes", the phone will challenge the incoming INVITE for
authentication with SIP 401 Unauthorized response. The default setting
is "No".
SIP T1 Timeout (in seconds). The default setting is 0.5 sec.
GXV3240 Administration Guide Page 39 of 76