12. The method of claim 11 , wherein a gateway associated with said called telephone number receives said call.
12. The method of claim 11 , wherein a gateway associated with said called telephone number receives said call. 13. The method of claim 12 , further comprising: during said real-time packet media session, said gateway converting between a pulse code modulation (PCM) format and a real-time packet format used by said at least one media resource.