When certain numbers call my cell number they get told,"the number you have dialed does not exist".

<p>Certain friends, family and customers have repeatedly told me that everytimke they try call me they get a message that my number does not exist.</p> <p> </p> <p>This has been going on for more than 2 years.</p> <p> </p> <p>its also my business number.</p> <p> </p> <p>You call centre agents do nothing and don't understand the problem.</p> <p> </p> <p>My number is ********** 314 , yes its been ported a few times, i have changed phones a few times (so its not the phone). its not barred numbers in my phone. its some network issue.</p> <p> </p> <p>here is an example of a friends number ********** 239 that can not call my number ********** 315 and gets a message that my number does not exist, yet i can call him any time.</p> <p> </p> <p>i have google this issue and there are many people with the same issue.</p>