How to find the switched off and not reachable number

[santhuarnold]

Hi
Is there any way to find the switched off and not reachable number?
All non-connectable numbers are coming under NA-NoAnser Autodial.

If same question repeats from someone and found resolution, please share the link.

Thanks

[mflorell]

Depends on the country you are calling in, and how much their carriers use standard signalling. In most cases you would need to get something like the paid-for Sangoma CPD software to be able to reliably detect non-reachable numbers with any degree of accuracy.

[santhuarnold]

Thanks for the response.