How SIP Calling Cards Work
A SIP (Session Initiation Protocol) calling card combines traditional calling card functionality with VoIP (Voice over Internet Protocol) technology. It allows users to make calls over the internet using SIP, which is the protocol used to initiate, maintain, and terminate real-time sessions that include voice, video, and messaging applications. How SIP Calling Cards Work Purchase and Account Setup Buy the SIP Calling Card : Like traditional calling cards, SIP calling cards can be purchased from providers online or in physical stores. Account Creation : You may need to create an account with the SIP provider. This usually involves setting up a username, password, and entering the PIN associated with the card. SIP Configuration Download a SIP App : You need a SIP-compatible app or softphone on your smartphone, tablet, or computer. Some popular SIP apps include Zoiper, Linphone, or any other VoIP app that allows SIP configuration. Enter SIP Credentials : In the app, you'll need to en...