Hi Simon, If you have a sip gateway connected to multiple carriers you could use trunks or trunk groups to determine which carrier is used for a particular call destination. This makes sense when you want certain call destinations to be reached only via a certain carries (even though multiple carries could be able to transport the call to the call destination network). Also if a carrier gives you better rates to destinations you could force your sip proxy to use a trunk with said carrier for only those destinations. You can also have a sip trunk between say two soft switches meaning that all calls that have to traverse will be carried via the sip trunk (limitation of concurrent calls mostly only depends on available bandwidth and/or processing power of the softswitches). VoIP by itself is just the suit of protocols and technologies to transport voice packets over a IP network.
Regards -- Markus On Feb 24, 2010, at 4:53 PM, Simon Tusubira wrote: > What's the difference SIP Trunking and VoIP ? > > On Wed, Feb 24, 2010 at 4:28 PM, Okello Baldwin <[email protected]> > wrote: > LUGists, > > Does anyone know where i can buy a SIP phone in Kampala? > > Thanx > Baldwin > > _______________________________________________ > LUG mailing list > [email protected] > http://kym.net/mailman/listinfo/lug > %LUG is generously hosted by INFOCOM http://www.infocom.co.ug/ > > The above comments and data are owned by whoever posted them (including > attachments if any). The List's Host is not responsible for them in any way. > --------------------------------------- > > > > _______________________________________________ > LUG mailing list > [email protected] > http://kym.net/mailman/listinfo/lug > %LUG is generously hosted by INFOCOM http://www.infocom.co.ug/ > > The above comments and data are owned by whoever posted them (including > attachments if any). The List's Host is not responsible for them in any way. > --------------------------------------- >
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