User manual

MyPBX-SOHO User Manual
Use MyPBX 5
5.1 Make outbound call
To make an outbound call, we need to add trunk/service provider first. There
are two types of service provider:
·Analog Ports: FXO ports of MyPBX, connect to local PSTN
·SIP Trunk: Connect to remote SIP VOIP service provider server
What are FXO and FXS?
FXS (Foreign eXchange Station) is an interface wihich drives a telephone or FAX
machine. FXS interfaces get phones plugged into them, delivery battery, and
provide ringing, FXS interfaces are signaled with FXO signaling.
FXO (Foreign eXchange Office) is an interface that connects to a phone line.
They supply your PBX with access to the public telephone network. FXO
interfaces use FXS signaling. FXS interfaces are what allow you to hook
PSTN
PSTN
8 F
XO Lines
IP
Provider
Router
8 FXS Lines LAN
601
602
60
3
Soft Phone
IP Phone
60
4
Normal Phone
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