Specifications

MyPBX U5XX Administrator's Guide
www.yeastar.com Page 126
9. Use MyPBX
Figure 9-1
9.1 Make outbound call
To make an outbound call, we need to add trunk first. There are 3 types of VoIP
Trunk:
·DigitalTrunk: E1/T/J1 ports of MyPBX, connected to the ISDN provider
you need to get the detailed signaling type from the provider before configure
the E1 trunk.
·VoIP Trunk: Connected to remote VOIP service server.
you should get an IP address with user name/ password from the provider.
·Service Provider: Connected to service provider server.
you will get only IP address for authorization.
·Analog Trunk: FXO ports of MyPBX, connected to a local PSTN.
·GSM/UMTS Trunk: GSM ports of MyPBX, connected to GSM Network.
·BRI Trunk: BRI ports of MyPBX, connected to ISDN provider
What are FXO and FXS?
FXS (Foreign Exchange Station) is an interface which drives an analog
telephone or FAX machine. FXS interfaces deliver power, provide ringing, and
use FXO signaling. FXS interfaces are what allow you to hook telephones and