For example, in FIG. 1, CE router 112 may be connected to PE router 108 of MPLS network 102 and CE router 114 may be connected to PE router 110 of MPLS network 104, to provide services such as telephone/video conferences, call blocking, etc.At block 704, each CE router that is connected to a PE router may be configured to run EBGP between the CE router and the PE router.