Archive for the 'telco' Category

How Phone Number Porting Works

Friday, June 7th, 2013

In short: when phone call is made, phone switch checks a database to see if the called number has a secondary phone number (caller LNR), if yes, that number is used to route the call. LNP = Local Number Portability NPAC = Number portability administrat…

How Phone Number Porting Works

Friday, June 7th, 2013

In short: when phone call is made, phone switch checks a database to see if the called number has a secondary phone number (caller LNR), if yes, that number is used to route the call. LNP = Local Number Portability NPAC = Number portability administrat…

How Phone Number Porting Works

Friday, June 7th, 2013

In short: when phone call is made, phone switch checks a database to see if the called number has a secondary phone number (caller LNR), if yes, that number is used to route the call. LNP = Local Number Portability NPAC = Number portability administrat…