KristalCall assure you for no maintenance, no hidden fee or no service tax for any long distance calls, As other provider charge for the same.
Below are the highlights of KristalCall services:
KristalCall is one of the leading providers of high quality long distance telecommunications services. We provide pinless calling services in all over the world with cheapest rates, which can be used from your any existing phone numbers and you can also monitor all your account online. In order to use KristalCall you don't have to change your existing mobile number or land line number and also you can get many more advanced features.