If LCLS is established for a call it shall be released while the Multiparty (MPTY) service is utilised, see LCLS break procedure in
clause 7.2 of this specification. After MPTY is ended LCLS may be re-established if it is still feasible, see LCLS re-establishment procedure in
clause 7.3 of this specification.
No impact. There are no LCLS related requirements for the Closed User Group (CUG) service.
No impact. There are no LCLS related requirements for the Advice of Charge (AoC) service.
No impact. There are no LCLS related requirements for the User-to-User Signalling (UUS) service.
No impact. There are no LCLS related requirements for the Call Barring Services.
In order to perform Explicit Call Transfer, if LCLS is established for the first call this will be broken when it is put on hold as per the procedures specified in
clause 13.6. If LCLS is established for the second call then the local switching of the call shall be released in order to be connected to the held party.
Procedures to establish LCLS for the transferred call are not supported.
No impact. There are no LCLS related requirements for the Completion of Calls to Busy Subscriber (CCBS) service.
No impact. There are no LCLS related requirements for the Multiple Subscriber Profile (MSP) service.
There are no specific LCLS related requirements for the Multicall service.
No impact. There are no LCLS related requirements for the Calling Name Presentation (CNAP) service.
LCLS shall not be allowed for the Alternate Speech/Fax calls.
During the call establishment phase, the modification of the access bearer procedure shall be performed in accordance with
TS 23.205 for a BICC based CS core network and in accordance with
TS 23.231 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.
LCLS shall not be allowed for the GSM Fax calls.
LCLS shall not be allowed when the Voice group call service (VGCS) or the Voice broadcast service (VBS) is utilised.