Revision as of 15:04, 21 June 2024 by Registered User (→Introduction)
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1. Introduction
The Bluetooth® LE Audio Content Control section regroups :
- The Call Control Profile (CCP) and its associated service the Telephony Bearer Service (TBS)
- The Media Control Profile and its associated service the Media Control Service (MCS)
These profile and services are used to either control or provide status information on an audio-related feature.
As specified in the in the section 2.2 of the Common Audio Profile[1], the CAP Acceptor or the CAP Commander can operate in the MCP Client role and the CCP Client role, while the CAP Initiator can operate in the CCP Server role and the MCP Server role.
2. Call Control Profile
The Call Control profile defines roles and procedures to interact with telephony bearer supported by a remote device.It's specified by the Bluetooth® SIG and the full specification is accessible on their website[2].
2.1. Roles
The CCP introduces 2 roles:
- Call Control Server: handles calls on one or more telephone call bearers. This role can be used by cell phones or tablets.
- Call Control Client: makes requests to the server to make, receive, and manage calls. This role can be used by an headset and speaker that have microphones, or devices like a watch that might not have a speaker or microphone but can manage telephony calls.
3. References