3.5 Connecting Extensions
3.5.1 Connecting SIP Extensions
A typical connection example for SIP extensions is shown below.
The following features can be used with the connection example shown below.
1.
Setting IP addresses of SIP phone (automatic setting by DHCP)
2.
Setting the IP address and port of the connection destination main unit (automatic setting by DHCP Op-
tion 66)
3.
Acquisition of SIP phone configuration data (distributed by main unit via HTTP)
4.
SIP registration to main unit (using SIP authentication data written in the configuration data)
5.
Firmware update functions
a.
To connect to the Internet via the internal router
1-1: LAN connection of internal router
1-2: Connection via WAN of internal router
PBX
LAN
Internet
WAN
1-1
SIP Phone
1-2
Smartphone
(Softphone)
SIP Phone
SIP Phone
Smartphone
(Softphone)
b.
To connect to the Internet via an external router
2-1: LAN connection of external router
2-2: Connection via WAN of external router
3.5 Connecting Extensions
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