What is a proxy server and what does it do
Oct 04, 2019 · A SIP proxy server will operate in one of two modes (depending on its level of sophistication): Stateless; Stateful; 1. Stateless – What is a Stateless SIP Proxy? A basic SIP server is ‘stateless.’ Stateless SIP Proxies receive and transmit information needed to do their job, but don’t keep any record of it.