Create an E1/T1 Trunk
To create a PRI E1/T1 trunk, you need to install EX30 expansion board on S100/S300 and connect the E1/T1 port to the PRI provider with an PRI cable.
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Install EX30 expansion board.
- Power off the PBX.
- Open the upper case of the PBX.
- Push out the empty board from the inside of the device, push in the Expansion Board EX08.
- Connect one end of ISDN PRI cable to the E1/T1 port on the PBX, and connect the other end of the cable to the ISDN provider equipment.
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Log in the PBX web interface, go to
to check the trunk status.If the trunk status shows , the physical layer of this trunk is correct.If the trunk status shows , the physical layer of this trunk is incorrect, check the PRI cable or contact Yeastar support to solve it.For more information on trunk status, see E1/T1 Trunk Status.
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Go to
, configure your E1 trunk according to the parameters that are
provided from the ISDN carrier.
- Name: Give this trunk a name to help you identify it.
- Interface Type: Specify the interface type according to the trunk specification.
- Signaling: Specify the signaling according to the trunk specification.
- Configure other E1/T1 trunk settings as your need.
- Click Save and reboot the PBX to take effect.
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Go to
to check the trunk status.If the trunk status shows , the trunk is ready for use.