METHOD FOR NOTIFICATION OF A CALLED SUBSCRIBER IN THE ABSENCE OF SUFFICIENT CREDIT OF THE CALLING PARTY
The invention relates to telephone communication, in particular to methods for notification of the called subscriber in the communication networks, namely in the absence of the calling party's valid credit account, and can be used in existing mobile telecommunications systems, including GSM, 3...
Saved in:
Main Author | |
---|---|
Format | Patent |
Language | English |
Published |
30.04.2021
|
Subjects | |
Online Access | Get full text |
Cover
Loading…
Be the first to leave a comment!