We are Mobile service providers in UK, who BUY and allocate US DIDs to our customer for local calling within US. For last 4 months, almost all our customers complain about SPAM calls from '9727621799'. They are charged excessively when they answer this call. As not all our customers are aware of this number, they answer and complaint to us. How do we block this?
Samin
samin@teleoptima.com
We are Mobile service providers in UK, who BUY and allocate US DIDs to our customer for local calling within US. For last 4 months, almost all our customers complain about SPAM calls from '9727621799'. They are charged excessively when they answer this call. As not all our customers are aware of this number, they answer and complaint to us. How do we block this?
Samin
samin@teleoptima.com
Caller type: Telemarketer
Number: 972-762-1799