On Tue, Feb 24, 2009 at 9:01 AM, Iñaki Baz Castillo <[email protected]> wrote: > 2009/2/24 M. Ranganathan <[email protected]>: >> Features are implementable as User Agents. There is no need for a BACK >> TO BACK User Agent to implement most features. > > Ok, perhaps you could provice a proxy solution to replace a B2BUA in > the 3 cases I comment in other mail in this thread. > > >> Notable exception : >> >> Session Border Controller. :-) > > And isn't a SBC a common requeriment? Probably it's not a good idea > that a SIP request created in an enterprise LAN travels through > Internet showing private fields as Via, Contact and so. > Of course, in order to provide privacy a B2BUA is required (Via are > not propragated, Contact is replaced...). > > >> Using a B2BUA where you should be using a proxy is needless >> complication and just bad engineering. > > Is there any company or enterprise using a SIP proxy instead of a > B2BUA? really? tell me just *one* example. Of course, I expect users > in that company can transfer incoming calls from their PSTN SIP
Separation of concerns is a good idea in Engineering design. > provider and so. http://www.sipfoundry.org On the other hand, if I did come across a company using a B2BUA where a proxy ought to be used, I might question their wisdom. Individual companies shall not be named. > > Best regards. > > > > -- > Iñaki Baz Castillo > <[email protected]> > > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors -- M. Ranganathan _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
