Is it permissible to open calling applications that have been blocked by telecommunications companies using a proxy, knowing that they are originally free, but the telecommunications companies have blocked them and charge fees for their alternatives? And does a right become incumbent upon a person if they used a relative's phone to make calls without their knowledge, by the relatives' use of a proxy?

If telecommunications companies prohibit the use of encrypted free calling applications due to the harm they cause or the benefits they forgo, then their use is impermissible. This is because it infringes upon the companies' rights and causes them harm. If the prohibition is authorized by the state, then it is considered a restriction of what is otherwise permissible, for the public good. Whoever uses another's phone without knowing that the application is unauthorized incurs no sin.