Draytek Vigor IPPBX 2820n, User Manual

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VigorIPPBX 2820 Series User’s Guide 56
Item Description
SIP Local Port Set a port number as SIP local port. The default setting is
5060.
SIP Proxy Realm Type SIP service domain name. In full SIP URI, such is the
part after @ symbol.
RTP Local Port Start/
RTP Local Port End If your VoIP service provider gave you such information,
please type the port number for RTP traffic. Otherwise,
keep the default setting. For one port number used, type the
same port number in RTP Local Port Start and RTP Local
Port End fields. To set a range for port numbers type
different port numbers in RTP Local Port Start and RTP
Local Port End fields.
Music on Hold Check the box to enable the function of music on hold.
Then choose the music file (from user prompts) to play in
turn.
Note : Waiting music only affects on call involving the
SIP/PSTN/ISDN trunk. However, the Music on Hold is
system wide; it also works for extension / extension call.
Disable remote
registration
Check the box to disable remote site (WAN or VPN)
registering to VigorIPPBX.
Limit SIP Request WAN
Choose this item to restrict number of SIP request per
second from WAN side.
Enable ACL (white list
for WAN IP)
Check the box to enable the management of white list for
WAN IP.
Automatic block
extension for wrong
password
Check the box to
prevent
attempt to access the
VigorIPPBX (register or make call) after exceeding the fail
count.
Allowed fail count before block – The system can stand
the times of wrong password entered by the user. The
default is 3. That means the user has three times to type the
correct password. After that, the system will block the
trying of Internet access by such user.
After finishing all the settings here, please click OK to save the configuration.