BGCF Breakout Gateway Control Function
The BGCF is used to route call signalling to and from the most appropriate soft switch/S-CSCF. The S-CSCF controls PSTN services through the use of soft switches and a BGCF. The soft switch comprises of a MGCF (Media Gateway Control Function) and a MGW (Media Gateway) and the BGCF has functionality in order to route traffic and signalling to the correct soft switch.
