The phone network or PSTN doesn't differentiate between fixed and non-fixed VoIP. Phone calls manufactured to/constructed from fixed VoIP and non-fixed VoIP numbers are dealt with in precisely the same way. Since they deficiency an assigned deal with, it may not be possible to call emergency services for instance 911. https://novoipnumber36802.blogmazing.com/36810953/a-review-of-non-fixed-voip