General questions Billing questions and account management Installation and Configuration problems Troubleshooting		General questions What is it SIP (VOIP) phone? Which service plan should I use? What is it smartphone? What does “trusted terminal status” mean? What does “verified terminal status” mean? What is it “virtual number”? What is it “current terminal”? How can I use your service when I am travelling? Can I sign up for your service if I don’t have internet connection? What is a difference between simple and full account? Do you provide a voicemail? What is it call-in public access numbers? Can I have more than one virtual number? Can I have more than one sip number? What is it Public Address Book?