9 Call Control

23.2023GPPCircuit switched data bearer servicesRelease 17TS

BC-IE negotiation procedures and mapping to ISDN are specified in 3GPP TS 27.001 [14] and 3GPP TS 29.007 [15]. BC-IE parameter values shall be restricted as indicated in subclause 5.1. See also 3GPP TS 27.001 [14], annex B, table B.5a for further details on the validity of parameter values in A/Gb mode and Iu mode.