Add 'outbound, path' option tags to Supported header in registrar's 200 OK response. Despite it is not required by RFC5626, it is shown as example and can provide indication of support for PONGs.
Add 'outbound, path' option tags to Supported header in registrar's 200 OK response. Despite it is not required by RFC5626, it is shown as example and can provide indication of support for PONGs.