The present document defines the Stage 2 description for the Local Call Local Switch feature. Local Call Local Switch may be implemented in both BICC based CS core networks as defined in 3GPP TS...
The present document describes the protocol to be used on the Media Gateway Control Function (MGCF) – IM Media Gateway (IM-MGW) interface. This interface provides the Media Gateway Control for...
The present document specifies the layer 3 procedures used on the Base Station System (BSS) to Mobile-services Switching Centre (MSC) interface for control of GSM services. For the purposes of call...
The present document describes the Service Change and UDI Fallback (SCUDIF) feature. This service is available to UDI/RDI multimedia calls and allows users to achieve successful call establishment...
The present document defines interworking procedures between a 3GPP CS domain (see 3GPP TS 23.205 [2]) which applies either BICC or ISUP as signalling protocol, and external networks that use SIP-I...
