A SIP application-level gateway (ALG) is a community machine that sits between a SIP-based utility and the community. It interprets SIP messages between the appliance and the community, and it may additionally carry out different features resembling safety, routing, and cargo balancing.
SIP ALGs are vital as a result of they may also help to enhance the efficiency and safety of SIP functions. They’ll additionally assist to make sure that SIP functions are interoperable with totally different networks and units.