Preface: Actually, writing an article specifically to talk about multi-dialing doesn't seem to make much sense. The main prerequisite for this is that the home broadband supports multi-dialing, which is purely a stroke of luck: it depends on fate. It just so happens that my home data center has utilized multi-dialing to the extreme, and considering that there are still quite a few netizens whose home broadband supports multi-dialing, ...

Actually, there are so many choices for egress equipment, ranging from dozens of yuan to thousands or tens of thousands of yuan. Depending on everyone's different needs, the choices can be described as diverse. Therefore, this article is only written based on my personal needs as a starting point, and everyone ultimately still needs to choose based on their own actual needs. My needs...