Connect Yeastar P-Series PBX System and Yeastar TG400 Gateway
This topic describes how to connect Yeastar P-Series PBX System and Yeastar TG400 gateway, so as to extend 4G trunks on the PBX.
Procedure
Step 1. Create a SIP peer trunk on Yeastar PBX system
- Log in to PBX web portal, go to , click Add.
- Configure the trunk settings.

- Name: Enter a name to help you identify it. For example, TG400.
- Trunk Status: Select Enabled.
- Select ITSP Template: Select General.
- Trunk Type: Select Peer Trunk.
- Transport: Select UDP.
- Hostname/IP: Enter the IP address of Yeastar TG400 gateway. In this example, enter 192.168.6.200.
- Port: Enter the SIP port of Yeastar TG400 gateway. In this example, enter the default port 5060.
- Domain: Enter the IP address of Yeastar TG400 gateway. In this example, enter 192.168.6.200.
- Click Save and Apply.
Step 2. Create a SIP peer trunk on Yeastar TG400 gateway
- Log in to gateway web interface, go to , click Add VoIP Trunk.
- In the pop-up window, configure the trunk settings:

- Trunk Type: Select Peer Trunk.
- Type: Select SIP.
- Provider Name: Enter a name to help you identify it.
- Hostname/IP: Enter the IP address of Yeastar PBX system and the SIP port. In this example, enter 192.168.6.124 and the default SIP port 5060.
- Click Save and Apply Changes.
Result
- On PBX web portal (), the trunk status displays
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- On TG400 gateway web interface (), the trunk status displays "OK".

It is concluded that Yeastar PBX system is connected to Yeastar TG400 gateway; 4 4G trunks are extended on Yeastar PBX system.
What to do next
- To make outbound calls through the extended 4G trunk, see Make Outbound Calls through a Designated 4G Trunk.
- To receive inbound calls through the extended 4G trunk, see Route Calls from Different Carriers to Different Destinations.