You need an B2BUA for that. A proxy will not work for several reasons. Regards Nils Ohlmeier
On Monday 30 August 2004 11:14, Andreas Greulich wrote: > Hi all, > > I'm pretty new to the SIP protocol, so please forgive me if this is a > stupid question. I just recently got a GrandStream BT100 phone which works > pretty nice. But I miss the feature of X-Lite that allows me to be logged > in into more than one SIP-to-PSTN provider at once (Stanaphone, Sipgate, > etc) and receive calls from any of these (so no matter if anybody calls my > German Sipgate or US Stanaphone number), plus (less important) to choose > what provider to make my own calls from using a dial prefix (#1, #2, ...). > > Now I'm looking around if there's an open source product (running under > Linux) that maybe already implelements this functionality. What I'm looking > for is a kind of reverse proxy that, on one side, acts like a client to > several providers, and on the other side acts as one virtual provider to my > phone. It should not be like normal proxy servers where the phone must > differ between the providers (the BT can only handle one provider at a > time), but as a reverse proxy that hides different providers behind one > single. This of course also implies that the proxy must keep my different > authentication credentials (for the different providers) locally. I know > there are several proxy servers around (SER, PartySIP, sipd, ...), but I'm > not sure if these also implement the reverse-proxy behaviour, allowing one > hardware device to be connected with several SIP servers simultanously. > Another option would be to use osip/exosip to implement this myself. Maybe > somebody here could direct me into the most promising directions for this > purpose? > > Thanks in advance, Andy _______________________________________________ Sip-implementors mailing list [EMAIL PROTECTED] http://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
