rDialer callback dialer is a iPhone CALLBACK dialer mainly for OEMS and VOIP Service Providers. But, you can use it with your own properly configured VoIP PBX, Asterisk switch or any other system for call backs.  

Callbacks specially useful when you are traveling abroad and don't want to make expensive outbound calls.

It  is used by many service providers after white labeling with their brands and names..

rDialer Callback dialer allows implementation of callback-based services using Web Services. Your server must be set to enable Web Services Callback.

Here are the explanation on the setting screen fields:

Server Ip:-         Enter your Server IP address or URL.
User Name:-      Enter your Login User Name. Server must configure this.
Password:-        Enter your Login password.
Your Phone Number:- Enter your own phone number with country code. So, that the call back server can call you back.

After saving all these things just enter your DialOut Number with country code on keypad and press Call button.

Call us if you are running into any problem. support@rapidsoftsystems.com