Re: [Sip-implementors] Authorization of incoming call

2012-01-12 Thread Pavesi, Valdemar (NSN - US/Irving)
@lists.cs.columbia.edu Subject: Re: [Sip-implementors] Authorization of incoming call What is the real concern here? Why would you care if the caller has registered? SIP does not require registration to send requests. I guess you either are concerned that the caller is somehow authorized to call

Re: [Sip-implementors] Authorization of incoming call

2012-01-12 Thread Paul Kyzivat
What is the real concern here? Why would you care if the caller has registered? SIP does not require registration to send requests. I guess you either are concerned that the caller is somehow authorized to call you, or call anybody, or else you are concerned with whether you can trust the ident

Re: [Sip-implementors] Authorization of incoming call

2012-01-12 Thread Vineet Menon
Hi, Again, you can force route all calls thru the proxy so that calls will always be routed thru the proxy. So that, a session hijacking can be avoided. In addition to this, I wanted to clarify whether the use of proxy avoid another user from calling your UA without registering to proxy ? eg. usi

Re: [Sip-implementors] Authorization of incoming call

2012-01-11 Thread Kevin P. Fleming
On 01/11/2012 07:11 AM, Sandro wrote: > Hello all. > > I have a theoretical question about call admitting and security. > > Let's say we have two clients A&B (phones or softphones) and a > proxy/registrar. > Clients register themselves on the registrar with authentication (http > digest). > This is

[Sip-implementors] Authorization of incoming call

2012-01-11 Thread Sandro
Hello all. I have a theoretical question about call admitting and security. Let's say we have two clients A&B (phones or softphones) and a proxy/registrar. Clients register themselves on the registrar with authentication (http digest). This is, i think, the most normal scenario. Proxy authentica