Grandstream Networks GXV3380 Administration Manual page 42

SIP OPTIONS Keep Alive
Maximum Tries
Subscribe for MWI
Use Privacy Header
Use P-Preferred-Identity
Header
Use P-Access-Network-
Info Header
Use P-Emergency-Info
Header
Use Mac Header
SIP Transport
Local SIP Port
Configures the maximum times of sending OPTIONS message
consistently from the phone to server. Phone will keep sending OPTIONS
messages until it receives response from SIP server. The default setting is
"3", which means when the phone sends OPTIONS message for 3 times,
and SIP server does not respond this message, the phone will send RE-
REGISTER message to register again. The valid range is 3-10.
Configures the phone system to subscribe voice message service. If it is
set to "Yes", the phone system will periodically send SIP SUBSCRIBE
message for Message Waiting Indication service. GXV3380 phone system
supports both synchronized and non-synchronized MWI. The default
setting is "No".
Determines if the Privacy header will be presented in the SIP INVITE
message and if it includes the caller info in this header. If it is set to
"Default", the Privacy Header will be omitted in INVITE when "Huawei IMS"
special feature is active. If set to "Yes", it will always be presented. If set to
"No", it will always be omitted. The default setting is "Default".
Specifies 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 in SIP INVITE message when "Huawei IMS" special feature is
active. If set to "Yes", the P-Preferred-Identity Header will always be
presented. If set to "No", it will be omitted. The default setting is "Default".
Enables/disables the use of P-Access-Network-Info header in SIP request.
When disabled, the SIP message sent from the phone will not include the
selected header. Default setting is "No".
Enables/disables the use of P-Emergency-Info header in SIP request.
When disabled, the SIP message sent from the phone will not include the
selected header. Default setting is "No".

If Yes, the SIP message for register or unregister will contains MAC
address in the header, and all the outgoing SIP message including
REGISTER will attach the MAC address to the User-Agent header;

If No, neither will the MAC header be included in the register or
unregister message nor the MAC address be attached to the User-
Agent header for any outgoing SIP message.
Determines which network protocol will be used to transport the SIP
message. It can be selected from TCP/UDP/TLS.
Default setting is "UDP".
Determines the local SIP port used to listen and transmit. The default
setting is 5060 for Account 1, 5062 for Account 2, 5064 for Account 3, 5066
for Account 4, 5068 for Account 5, and 5070 for Account 6. The valid range
is from 5 to 65535.
GXV3380 Administration Guide
Version 1.0.1.19
P a g e | 42