1:

First of all download smsgateway.php file.

2:

edit this downloaded filed using any text editor like Notepad++, Sublime Text, Atom or any other you like.

3:

Enter your ZitaSMS API key and Device ID in this file and Save. (See following image.)

4:

Connect your DMA using WinScp free FTP client.

5:

Go to the file smsgateway.php and delte it from your DMA Softlab radius manager and upload our smsgateway.php now.

Path of smsgateway.php file in DMA Softlab Radius Manager

www --> radiusmanager --> api --> smsgateway.php

if you have any difficulty just contact us we will do everything for you

+92-332-8554184

sofispakistan@gmail.com