Published
The present document specifies the interworking between SIP-I based circuit-switched core network, as specified in TS 23.231 [3] and TS 29.231 [4], with out-of-band transcoder control related procedures in TS 23.153 [5]
                    PUBLISHED
                    DS TS 129 235 V14.1.0:2019
                    60.60
                                        Standard published
                    Jul 16, 2019