A.1 General

23.2373GPPIP Multimedia Subsystem (IMS) Service ContinuityRelease 17Stage 2TS

Table A.1-1 provides an overview of Controller UE and Controllee UE operations. The operations of the Controllee UE without IUT capabilities are the same as those of the Controllee UE in Release 9

Table A.1-1: Controller UE and Controllee UE operations

Operations

Controller UE

Controller UE Comment

Controllee UE with IUT Capabilities

Controllee UE with IUT Capabilities Comment

Controllee UE without IUT Capabilities

Controllee UE without IUT Capabilities Comment

Add media flow (local end initiating case)

Add media flow by creating a new Access Leg on the same UE

Yes

Standard SC procedures.

Yes

Standard SC procedures.

No

Add media flow by creating a new Access Leg on a different UE

Yes

Rel-9 capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Add media flow to an existing Access Leg on the same UE

Yes

Standard IMS procedures.

Yes

Standard IMS procedures.

No

Add media flow to an existing Access Leg on a different UE

Yes

Rel-9 capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Remove media flow (local end initiating case)

Remove media flow from an Access Leg on the same UE

Yes

Standard IMS procedures.

Yes

Standard IMS procedures.

Yes

Standard IMS procedures.

Remove media flow from an Access Leg on a different UE

Yes

Rel-9 capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Invoke

Supp

Services

MMTEL service control with media on the same UE (TS 22.173 [15])

Yes

Standard IMS procedures.

Yes

Rel-10 New capability of IUT.

No

MMTEL service control with media on a different UE (TS 22.173 [15])

Yes

Rel-9 capability of IUT.

No

No

Collaborative Session Release

Yes

Rel-9 capability of IUT.

No

No

Renegotiate media characteristics

(local end initiating side)

Update of media characteristics on the same UE

Yes

Standard IMS procedures.

Yes

Standard IMS procedures.

Yes

Standard IMS procedures.

Update of media characteristics on a different UE

Yes

Rel-10 New capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Transfer of media flow

Transfer media flow from the same UE to a different UE

Yes

Rel-9 capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Transfer media flow from a different UE to another different UE

Yes

Rel-9 capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Transfer media flow from a different UE to the same UE

Yes

Rel-9 capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Transfer of Collaborative Session control

Transfer Collaborative Session control from the same UE to a different UE

Yes

Rel-10 New capability of IUT. Only transfer to a different UE of the same service profile and same subscription is supported.

No

No

Transfer Collaborative Session control from a different UE to the same UE

No

Yes

Rel-10 New capability of IUT. Only transfer from a different UE of the same service profile and same subscription is supported.

No

Replication of media flow

Replicate media flow from the same UE to a different UE

Yes

Rel-10 New capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Replicate media flow from a different UE to another different UE

Yes

Rel-10 New capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Replicate media flow from a different UE to the same UE

Yes

Rel-10 New capability of IUT.

Yes

Rel-10 New capability of IUT.

No

Annex B (Normative):
Additional enhancements for SRVCC