What Is Fixed Dialing - Web fixed dialing allows you to block outgoing calls (except emergency calls), while incoming calls are not. Web fixed dialing numbers, also known as fixed dialing mode, is a common feature on gsm mobile phones that allows. Fixed dialing number ( fdn) is a service mode of a gsm phone's subscriber identity module (sim). Web fdn (fixed dialling number) or fdm (fixed dialling mode) is a service mode of gsm phone's subscriber identity.
Web fdn (fixed dialling number) or fdm (fixed dialling mode) is a service mode of gsm phone's subscriber identity. Fixed dialing number ( fdn) is a service mode of a gsm phone's subscriber identity module (sim). Web fixed dialing allows you to block outgoing calls (except emergency calls), while incoming calls are not. Web fixed dialing numbers, also known as fixed dialing mode, is a common feature on gsm mobile phones that allows.