Installation guide
MyPBX  U5XX  Administrator's  Guide 
www.yeastar.comPage14 
4.1.2 Trunk Status 
Figure 4-2 Trunk Status Page 
Trunks: 
Note:   
E1/T1/J1 trunk in MyPBX U5XX 
MyPBX U500 
MyPBX U510 
MyPBX U520 
number of 
E1/T1/J1 
0 
1 
2 
VOIP Trunk: 
Status 
Rejected: Trunk registration failed. 
Registered: Successful registration, trunk is ready for use. 
Request Send: Registering. 
Waiting: Waiting for authentication. 
Service Provider:   
Status 
OK: Successful registration, trunk is ready for use. 
Unreachable: The trunk is unreachable. 
Failed: Trunk registration failed. 
FXO Trunk: 
Status 
Idle: The port is idle. 
Busy: The port is in use. 
Disconnected: The port hasn‟t connected to the PSTN line. 
More detail message, please refer to the LED indication of front panel. 










