Yes, you can continue with the same VoIP service providers but you should change your basic details like change of address and your contact number by login into your website. You can use the VoIP address to get the update of your profile. You must need to change the billing address to get updates online to take care of it. It is easy interface so you just have to make some changes using the present interface to make changes in the present address.
Yes, can get the print copy of the last three VoIP billing statement to get the track record to get the details. It is most important ways to get access the information to get the billing services to get printable format to get print the VoIP bill to get details of the bill to manage your own records to take care of the services.You can access history of the database to get the billing services to get the details.