3.4 Connecting Outside Trunks
3.4.1 Connecting SIP Trunks
A typical connection example is shown below for connecting to 2 SIP carriers simultaneously. For details
about connecting SIP trunks, refer to "Network Configuration" in the Programming Item List.
1.
Connecting via WAN1
SIP Phone
SIP Phone
PBX
WAN1
Smartphone
(Softphone)
LAN
SIP Carrier-A
SIP Carrier-B
2.
Connecting via both WAN1 and WAN2
SIP Phone
SIP Phone
PBX
Smartphone
(Softphone)
LAN
SIP Carrier-A
SIP Carrier-B
WAN2
WAN1
3.4 Connecting Outside Trunks
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