A very useful function for seeking the subscriber, it allows calling to several extensions and external telephone numbers – to any place of the world. This function allows users to be available on several devices, such as cell phone, home phone, office telephone or soft phone. In other words, when someone calls you, this call will reach all your communication means.
Opto Network Private Limited is an Internet Telephony Service Provider in India. Head office is in Noida, India, Band having branches in Bangalore and Mumbai.