[Asterisk-Dev] Is Asterisk a SIP proxy?

[Jeremy McNamara]

Steve Langstaff wrote:
> I know that this question has been asked before, and answered with a "No it's more like a B2BUA".
> 
> So why does it use "407 Proxy Authentication Required" rather than "401 Unauthorised"?


Perhaps to authenticate that particular request maybe?


Asterisk is not a SIP Proxy and is not exactly a B2BUA -  Asterisk took 
concepts from all the various aspects of the SIP Specification because 
of Asterisk's highly non-standard architecture.



Jeremy McNamara