Categories RFCs & Standards VoIP Stateless, Stateful, Dialog Stateful and Transaction Stateful SIP Proxies Post author By Nick Post date 03/03/2019 1 Comment on Stateless, Stateful, Dialog Stateful and Transaction Stateful SIP Proxies SIP Proxy types, such as Stateless & Stateful explained, with examples. Tags Dialog Stateful SIP Proxy, SIP, SIP Proxy, Stateful SIP Proxy, Stateless SIP Proxy, Transaction Stateful SIP Proxy