By connecting the gap between traditional phone networks and modern internet-based communication systems, a SIP Trunk to PRI Gateway allows organizations to take advantage of both technologies. We will examine the definition, operation, and business implications of a SIP trunk to PRI Gateway in this extensive guide. The connection between SIP-based Systems and PRI lines is a SIP trunk to a PRI Gateway. The gateway gives businesses the ability to grow without having to make large investments, whether they require more PRI circuits or SIP Channels.