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Hello, I am slightly confused by the difference between chan_sip and pjsip. Especially the new (to me) objects aor and contact. I am having trouble mapping them to the typical SIP configuration settings on a phone. Suppose I have a phone with two line buttons, for two extension numbers. Now, I think that means two 'endpoints' in pjsip right? But what exactly is the difference between

...p right? > Generally correct, if you set up 1 extension to 1 endpoint. > But what exactly is the difference > between aor and contact? > AORs contain contacts. They can be permanent or dynamic. You'd define permanent contacts for trunks or devices where the peer ip address is knon using the 'contact' parameter. If you don't define any contacts, then dynamic is assumed and the aor/endpoint will accept inbound registrations. You'd use dynamic for most phones. > So why does aor have a max_contacts value? > If you're accepting registrations, max...

...if you set up 1 extension to 1 endpoint. > > >> But what exactly is the difference >> between aor and contact? >> > > AORs contain contacts. They can be permanent or dynamic. You'd define > permanent contacts for trunks or devices where the peer ip address is knon > using the 'contact' parameter. If you don't define any contacts, then > dynamic is assumed and the aor/endpoint will accept inbound registrations. > You'd use dynamic for most phones. > So basically, the 'contact' in the AOR is just an ip address (or '...