13.18 Modification of the Access Bearer

23.2843GPPLocal Call Local Switch (LCLS)Release 17Stage 2TS

During the call establishment phase, the modification of the access bearer procedure shall be performed in accordance with 3GPP 23.205 [2] for a BICC based CS core network and in accordance with 3GPP TS 23.231 [3] for a SIP-I based CS core network.

When the call is locally switched, if the MSC Server requires modification of the access bearer, an LCLS Break procedure as specified in clause 7.2.1 may occur.