Hi Premalatha, See my comments inline.
Premalatha Kuppan wrote: > Hi, > > I have some basic question on GRUU (sip extension - GRUU RFC 5627 ) > > 1. Can i have multiple devices like mobile phone, laptop etc with sip client > on it and use both the device during the same call ? > You can register multiple devices by giving a unique +sip instance ID to each of the device you will register. > During registration, REGISTER request is going to be from one device say > mobile, then how other devices is registered ? Do i need to have GRUU > support in all devices? > > 2. Does the server/Registrar should also support GRUU extension ? > Yes registrar must support GRUU. If it supports it will mention 'gruu' extension in the Supported header. > 3. Should end user need to support GRUU, say for example, > User A : GRUU support (different devices: mobile phone, laptop) > User B : no GRUU support > > If User B makes a call to User A, will both my device Mobile phone and > laptop with sip client gets the alert ? I assume User B needn't have to have > GRUU support in to establish the call in above scenario. > If any UA supports GRUU it will put +sip.instance and corresponding pub-gruu or temp-gruu in its contact header. Other UAs use this gruu to route requests/responses. > I appreciate some valuable input. > > Thanks, > Premalatha > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > > -- Rajanikanth _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
