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 applying and the community, and it may well additionally carry out different capabilities corresponding to safety, routing, and cargo balancing.
SIP ALGs are essential as a result of they may help to enhance the efficiency and safety of SIP functions. They’ll additionally assist to make sure that SIP functions are interoperable with completely different networks and gadgets.