Grandstream Networks GVC3200 Administration Manual page 41

This is used to set the callee party to act as refresher. If set to "Yes" and both parties
Callee Request support session timers, the device will enable the session timer feature when it
receives inbound calls. The SIP 200 OK will include the content "refresher=uas". The
Timer
default setting is "No".
It is used to activate the session timer feature on the device. If it is set to "Yes", the
device will use the session timer even if the remote party does not support this
feature. If it is set to "No", the device will enable the session timer only when the
Force Timer
remote party supports this feature. To turn off the session timer, select "No". The
default setting is "No".
It is used to activate the PRACK (Provisional Acknowledgment) method. This option
is very important to support PSTN internetworking. PRACK improves the network
Enable 100rel reliability by adding an acknowledgement system to the provisional Responses
(1xx). If set to "Yes", the device will respond to the 1xx response from the remote
party. The default setting is "No".
It is used to set the header tag from the SIP INVITE message for the Caller ID
display. If it is set to Auto, the device will use one of the available headers in the
priority hierarchy of P-Asserted Identify Header, Remote-Party-ID Header and From
Caller ID Display
Header. If it is set to "From Header", it will use the From Header information for the
Caller ID. If it is set to "Disabled", all the incoming calls Caller ID will be displayed
with "Unavailable". The default setting is "Auto".
Controls whether the Privacy header will present in the SIP INVITE message or not,
whether the header contains the caller info. When set to "default", the Privacy
Use Privacy
Header will show in INVITE only when "Huawei IMS" special feature is on. If set to
Header
"Yes", the Privacy Header will always show in INVITE. If set to "No", the Privacy
Header will not show in INVITE. The default setting is "Default".
It is used to set if the P-Preferred-Identity Header will be presented in the SIP
INVITE message. If set to "default", the P-Preferred-Identity Header will be omitted
Use P-Preferred-
in SIP INVITE message when "Huawei IMS" special feature is active. If set to "Yes",
Identity Header
the P-Preferred-Identity Header will always be presented. If set to "No", it will be
omitted. The default setting is "Default".
It is used to set the protocol used to transport the SIP message. It can be selected
SIP Transport
from TCP/UDP/TLS. The default setting is "UDP".
It is used to set SIP header – "sip" or "sips", which will be used if TLS is selected for
SIP URI Scheme
SIP Transport. The default setting is "sip".
When Using TLS
Use Actual It is used to set the port information in the Via header and Contact header of SIP
message when the device uses TCP or TLS. If set to "No", these port numbers will
Ephemeral Port in
Contact with use the permanent listening port on the device. Otherwise, they will use the
ephemeral port for the particular connection. The default setting is "No".
TCP/TLS
It is used to enable the symmetric RTP mechanism. If set to "Yes", the device will
Symmetric RTP use the same socket/port for sending and receiving the RTP messages. The default
setting is "No".
Firmware Version 1.0.1.48
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GVC3200/GVC3202 Administration Guide Page 40 of 71