Can not use the Brekeke PAL Websocket

[tuyendn]

1. Brekeke Product Name and Version:
Brekeke PBX, Version 3.3.9.3 , Pro Evaluation

2. Java version:
java version "1.8.0_40"
Java(TM) SE Runtime Environment (build 1.8.0_40-b25)
Java HotSpot(TM) 64-Bit Server VM (build 25.40-b25, mixed mode)

3. OS type and the version:
Ubuntu 14.4

4. UA (phone), gateway or other hardware/software involved:
Linphone

5. Your problem:
When i try to connect with server using [Sample Program 1] that i downloaded from Brekeke.com, it's always show the error below:

Info: WebSocket is closed. Check Brekeke PBX WebSocket setting or login passsword.

My Server informations:

PBX Address(IP:port): 192.168.2.6:8080
Tenant:-
User:sa
Password:**

please let me know the reason, i think maybe PAL Socket was not enabled but i don't see where i can to enabled it

Thanks for support

[Brett]

please check if your pbx has PAL option. and if so, please check the below field is setting correctly.
[Options] > [Settings] > [Valid WebSocket Client IP Pattern]

Thank you
Brett...