Zoom X6v VoIP - Manual (Page 21)

6
SIP Parameters
You can use the VoIP > Advanced VoIP Setup > SIP Parameters menu to configure particular aspects of the
S
ession Initiation Protocol (SIP) implementation. The menu items include:
• SIP Protocol Parameters
• SIP Response Codes
• SIP Distinctive Ring Names
• SIP Protocol Timers
SIP Protocol Parameters
Parameter Description Default
SIP Require User Name Enables or disables a requirement that an
incoming INVITE include a SIP user name
assigned to the VoIP subsystem in an
active account. Disabled
SIP Local Port (1024-65535) Local UDP port used for sending/
receiving SIP call control messages. This
port can be mapped by a firewall. 5060
SIP Public External IP Address Forces a specific external IP address for
SIP messages sent 0.0.0.0 (Disabled)
SIP Public External Port Forces a specific external UDP port for
SIP messages sent 0 (Disabled)
TOS Value (0x00 – 0xff) Type of service (TOS) value or DIFFServ
DSFIELD used for SIP message 68 (DIFFSRV
Expedited
Forwarding)
SIP Accept Language String Specifies the language for user-viewable
messages used in the SIP accept
message English
SIP Send Response to SRC Port Respond to the sender’s IP address/UDP
port used by SIP request message Enabled
SIP Max Forwards Maximum forward value 15
SIP Ringing Retransmit Enables or disables retransmission Enabled
SIP Use NAT Discovery Enable use of NAT discovery procedures
to obtain an external IP address/UDP port
mapping for SIP messages Enabled
SIP Use Received Via Info Use VIA header IP address/UDP port
parameters in received messages as
external IP address/UDP port Disabled
Chapter 6: SIP Parameters 21