[asterisk-dev] [Code Review] Add a SIP nat=auto setting

[Terry Wilson]

> Would nat=auto be valid for the [general] context of sip.conf as
> well? Or should this always be explicitly yes/no. I ask because
> after the recent vulnerability related to having disparate nat=
> settings for peers I haven't been setting the nat= value per-peer,
> and instead set it once at [general].

nat=auto would be settable via general or via peers, but setting it in general and overriding via peers could open up the possibility of peer discovery.