11.1 Introduction (소개)

11 Call Control (CC) service description
[code]11.1 Introduction (소개)[/code]

This clause describes the services offered by the CC sub-entity in the Circuit Mode Control Entity (CMCE).
[code]이단원은 CMCE 에 CC sub-entity 에 대한 서비스 설명이다.[/code]

The CC Service Access Point (SAP) is used in conformance testing as a normative boundary in TETRA MSs and TETRA LSs.
[code]SAP 는 TETRA MSs, LSs 내에 표준에 순응한다.[/code]

11.2 Services offered
[code]제공하는 서비스[/code]

The CC services shall be provided with a CC sub-entity at the service access point TNCC-SAP.
[code]CC 서비스는 TNCC-SAP 에 CC sub-entity 를 제공할 것이다.[/code]

In order to cater for
concurrent services there may exist multiple instances of the TNCC-SAP running at the same time.
[code]동 시간 내에 실행될 수도 있는 TNCC-SAP 의 다중 인스턴스를 위해서 다음을 요구 한다.[/code]

At the TNCC-SAP one instance of the call control shall consist a set of the following calling user application and called
[code]호출자나 호출했던자가 설정한 TNCC-SAP 의 하나의 인스턴스로 이루어져 있을 것이다.[/code]

user application services:

• basic call set-up (with attributes);
[code]기본 콜 설정[/code]
• call maintenance;
[code]콜 관리[/code]
• Dual Tone Multiple Frequency (DTMF) encoding and sending;
[code]DTMF 인코딩 과 샌딩[/code]
• PTT requests/grants/information;
[code]Push to talk 요청/응답/정보[/code]
• call clearance;
[code]콜 정리[/code]
• change of tele/bearer service within a call.
[code]콜내 tele/bearer 서비스 변경[/code]