Hi i need buy from you internet phone number and use .Just let me now what should i do for this.
Zoiper is just a softphone client which can be used with the services of almost all VoIP providers on the market. If you need a VoIP account, you may see a list with reputable VoIP providers here:
https://www.zoiper.com/en/voip-softphone/download/zoiper3/providers