7 Interactions with supplementary services

23.1533GPPOut of band transcoder controlRelease 17Stage 2TS

7.1 Call Deflection service (GSM 23.072)

In order to apply the confirmation tone to the originating party, the speech insertion procedure described in clause 6.3 is applied.

7.2 Line identification services (GSM 23.081)

7.2.1 Calling Line Identification Presentation (CLIP)

No impact.

7.2.2 Calling Line Identification Restriction (CLIR)

No impact.

7.2.3 Connected Line Identification Presentation (COLP)

No impact.

7.2.4 Connected Line Identification Restriction (COLR)

No impact.

7.3 Call forwarding services (GSM 23.082)

7.3.1 Call Forwarding Unconditional (CFU)

In order to apply the confirmation tone to the originating party, the speech insertion procedure described in clause 6.3 is applied.

7.3.2 Call Forwarding on mobile subscriber Busy (CFB)

In order to apply the confirmation tone to the originating party, the speech insertion procedure described in clause 6.3 is applied.

7.3.3 Call Forwarding on No Reply (CFNRy)

In order to apply the confirmation tone to the originating party, the speech insertion procedure described in clauses 6.3 is applied.

7.3.4 Call Forwarding on mobile subscriber Not Reachable (CFNRc)

In order to apply the confirmation tone to the originating party, the speech insertion procedure described in clauses 6.3 is applied.

7.4 Call wait (GSM 23.083)

In order to apply the notice tone to the interjected party, the speech insertion procedure described in clause 6.4 is applied.

7.5 Call hold (GSM 23.083)

In order to apply the notice tone to the held party, the speech insertion procedure described in clause 6.4 is applied.

7.6 Multiparty (GSM 23.084)

In order to mix calls, the speech insertion procedure described in clause 6.4 is applied.

7.7 Closed user group (GSM 23.085)

No impact.

7.8 Advice of charge (GSM 23.086)

No impact.

7.9 Userto-user signalling (GSM 23.087)

No impact.

7.10 Call barring (GSM 23.088)

7.10.1 Barring of outgoing calls

No impact.

7.10.2 Barring of incoming calls

No impact.

7.11 Explicit Call Transfer (GSM 23.091)

In case that a call A-B is transferred to C by B (A-C as result), A-B may use codec x, A-C may use codec y, the procedure described in clause 6.3 is applied.

7.12 Completion of Calls to Busy Subscriber (3G TS 23.093)

Within CCBS there exists an option for CCBS calls where a bearer can be established before setup in the state "CC-establishment confirmed". If the selected codec after setup is different to the one which was used to establish the bearer, RAB assignment (modify) may be required when RAB parameters are different.