Commit 2a08b9e7 authored by Emil Gydesen's avatar Emil Gydesen Committed by Carles Cufi
Browse files

Bluetooth: Audio: Add Telephone Bearer Service server 



Add the telephone bearer service server implementation.
This support multiple service instances as well as the
generic telephone bearer service, but is still a work in
progress and should be treated as such.

Signed-off-by: default avatarEmil Gydesen <emil.gydesen@nordicsemi.no>
parent 9f886c9c

include/bluetooth/audio/tbs.h

0 → 100644
+331 −0
Original line number Diff line number Diff line 
/** @file

 *  @brief Public APIs for Bluetooth Telephone Bearer Service.

 *

 * Copyright (c) 2020 Bose Corporation

 * Copyright (c) 2021 Nordic Semiconductor ASA

 *

 * SPDX-License-Identifier: Apache-2.0

 */



#ifndef ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_TBS_H_

#define ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_TBS_H_



#include <zephyr/types.h>

#include <bluetooth/conn.h>



/* Call States */

#define BT_TBS_CALL_STATE_INCOMING                      0x00

#define BT_TBS_CALL_STATE_DIALING                       0x01

#define BT_TBS_CALL_STATE_ALERTING                      0x02

#define BT_TBS_CALL_STATE_ACTIVE                        0x03

#define BT_TBS_CALL_STATE_LOCALLY_HELD                  0x04

#define BT_TBS_CALL_STATE_REMOTELY_HELD                 0x05

#define BT_TBS_CALL_STATE_LOCALLY_AND_REMOTELY_HELD     0x06



/* Terminate Reason */

#define BT_TBS_REASON_BAD_REMOTE_URI                    0x00

#define BT_TBS_REASON_CALL_FAILED                       0x01

#define BT_TBS_REASON_REMOTE_ENDED_CALL                 0x02

#define BT_TBS_REASON_SERVER_ENDED_CALL                 0x03

#define BT_TBS_REASON_LINE_BUSY                         0x04

#define BT_TBS_REASON_NETWORK_CONGESTED                 0x05

#define BT_TBS_REASON_CLIENT_TERMINATED                 0x06

#define BT_TBS_REASON_UNSPECIFIED                       0x07



/* Application error codes */

#define BT_TBS_RESULT_CODE_SUCCESS                      0x00

#define BT_TBS_RESULT_CODE_OPCODE_NOT_SUPPORTED         0x01

#define BT_TBS_RESULT_CODE_OPERATION_NOT_POSSIBLE       0x02

#define BT_TBS_RESULT_CODE_INVALID_CALL_INDEX           0x03

#define BT_TBS_RESULT_CODE_STATE_MISMATCH               0x04

#define BT_TBS_RESULT_CODE_OUT_OF_RESOURCES             0x05

#define BT_TBS_RESULT_CODE_INVALID_URI                  0x06



#define BT_TBS_FEATURE_HOLD                             BIT(0)

#define BT_TBS_FEATURE_JOIN                             BIT(1)



#define BT_TBS_CALL_FLAG_SET_INCOMING(flag)            (flag &= ~BIT(0))

#define BT_TBS_CALL_FLAG_SET_OUTGOING(flag)            (flag |= BIT(0))



#define BT_TBS_SIGNAL_STRENGTH_NO_SERVICE               0

#define BT_TBS_SIGNAL_STRENGTH_MAX                      100

#define BT_TBS_SIGNAL_STRENGTH_UNKNOWN                  255



/* Bearer Technology */

#define BT_TBS_TECHNOLOGY_3G                       0x01

#define BT_TBS_TECHNOLOGY_4G                       0x02

#define BT_TBS_TECHNOLOGY_LTE                      0x03

#define BT_TBS_TECHNOLOGY_WIFI                     0x04

#define BT_TBS_TECHNOLOGY_5G                       0x05

#define BT_TBS_TECHNOLOGY_GSM                      0x06

#define BT_TBS_TECHNOLOGY_CDMA                     0x07

#define BT_TBS_TECHNOLOGY_2G                       0x08

#define BT_TBS_TECHNOLOGY_WCDMA                    0x09

#define BT_TBS_TECHNOLOGY_IP                       0x0a



/**

 * @brief The GTBS index denotes whenever a callback is from a

 * Generic Telephone Bearer Service (GTBS) instance, or

 * whenever the client should perform on action on the GTBS instance of the

 * server, rather than any of the specific Telephone Bearer Service instances.

 */

#define BT_TBS_GTBS_INDEX                               0xFF



/**

 * @brief Callback function for client originating a call.

 *

 * @param conn          The connection used.

 * @param call_index    The call index.

 * @param uri           The URI. The value may change, so should be

 *                      copied if persistence is wanted.

 *

 * @return true if the call request was accepted and remote party is alerted.

 */

typedef bool (*bt_tbs_originate_call_cb)(struct bt_conn *conn,

					 uint8_t call_index,

					 const char *uri);



/**

 * @brief Callback function for client terminating a call.

 *

 * The call may be either terminated by the client or the server.

 *

 * @param conn          The connection used.

 * @param call_index    The call index.

 * @param reason        The termination BT_TBS_REASON_* reason.

 */

typedef void (*bt_tbs_terminate_call_cb)(struct bt_conn *conn,

					 uint8_t call_index,

					 uint8_t reason);



/**

 * @brief Callback function for client joining calls.

 *

 * @param conn                  The connection used.

 * @param call_index_count      The number of call indexes to join.

 * @param call_indexes          The call indexes.

 */

typedef void (*bt_tbs_join_calls_cb)(struct bt_conn *conn,

				     uint8_t call_index_count,

				     const uint8_t *call_indexes);



/**

 * @brief Callback function for client request call state change

 *

 * @param conn          The connection used.

 * @param call_index    The call index.

 */

typedef void (*bt_tbs_call_change_cb)(struct bt_conn *conn,

				      uint8_t call_index);



/**

 * @brief Callback function for authorizing a client.

 *

 * Only used if BT_TBS_AUTHORIZATION is enabled.

 *

 * @param conn         The connection used.

 *

 * @return true if authorized, false otherwise

 */

typedef bool (*bt_tbs_authorize_cb)(struct bt_conn *conn);



struct bt_tbs_cb {

	bt_tbs_originate_call_cb      originate_call;

	bt_tbs_terminate_call_cb      terminate_call;

	bt_tbs_call_change_cb         hold_call;

	bt_tbs_call_change_cb         accept_call;

	bt_tbs_call_change_cb         retrieve_call;

	bt_tbs_join_calls_cb          join_calls;

	bt_tbs_authorize_cb           authorize;

};



/**

 * @brief Accept an alerting call.

 *

 * @param call_index    The index of the call that will be accepted.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_accept(uint8_t call_index);



/**

 * @brief Hold a call.

 *

 * @param call_index    The index of the call that will be held.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_hold(uint8_t call_index);



/**

 * @brief Retrieve a call.

 *

 * @param call_index    The index of the call that will be retrieved.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_retrieve(uint8_t call_index);



/**

 * @brief Terminate a call.

 *

 * @param call_index    The index of the call that will be terminated.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_terminate(uint8_t call_index);



/**

 * @brief Originate a call

 *

 * @param[in]  bearer_index  The index of the Telephone Bearer.

 * @param[in]  uri           The remote URI.

 * @param[out] call_index    Pointer to a value where the new call_index will be

 *                           stored.

 *

 * @return int          A call index on success (positive value),

 *                      errno value on fail.

 */

int bt_tbs_originate(uint8_t bearer_index, char *uri, uint8_t *call_index);



/**

 * @brief Join calls

 *

 * @param call_index_cnt   The number of call indexes to join

 * @param call_indexes     Array of call indexes to join.

 *

 * @return int             BT_TBS_RESULT_CODE_* if positive or 0,

 *                         errno value if negative.

 */

int bt_tbs_join(uint8_t call_index_cnt, uint8_t *call_indexes);



/**

 * @brief Notify the server that the remote party answered the call.

 *

 * @param call_index    The index of the call that was answered.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_remote_answer(uint8_t call_index);



/**

 * @brief Notify the server that the remote party held the call.

 *

 * @param call_index    The index of the call that was held.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_remote_hold(uint8_t call_index);



/**

 * @brief Notify the server that the remote party retrieved the call.

 *

 * @param call_index    The index of the call that was retrieved.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_remote_retrieve(uint8_t call_index);



/**

 * @brief Notify the server that the remote party terminated the call.

 *

 * @param call_index    The index of the call that was terminated.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_remote_terminate(uint8_t call_index);



/**

 * @brief Notify the server of an incoming call.

 *

 * @param bearer_index    The index of the Telephone Bearer.

 * @param to              The URI that is receiving the call.

 * @param from            The URI of the remote caller.

 * @param friendly_name   The  friendly name of the remote caller.

 *

 * @return int            New call index if positive or 0,

 *                        errno value if negative.

 */

int bt_tbs_remote_incoming(uint8_t bearer_index, const char *to,

			   const char *from, const char *friendly_name);



/**

 * @brief Set a new bearer provider.

 *

 * @param bearer_index  The index of the Telephone Bearer or BT_TBS_GTBS_INDEX

 *                      for GTBS.

 * @param name          The new bearer provider name.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_set_bearer_provider_name(uint8_t bearer_index, const char *name);



/**

 * @brief Set a new bearer technology.

 *

 * @param bearer_index   The index of the Telephone Bearer or BT_TBS_GTBS_INDEX

 *                       for GTBS.

 * @param new_technology The new bearer technology.

 *

 * @return int           BT_TBS_RESULT_CODE_* if positive or 0,

 *                       errno value if negative.

 */

int bt_tbs_set_bearer_technology(uint8_t bearer_index, uint8_t new_technology);



/**

 * @brief Update the signal strength reported by the server.

 *

 * @param bearer_index        The index of the Telephone Bearer or

 *                            BT_TBS_GTBS_INDEX for GTBS.

 * @param new_signal_strength The new signal strength.

 *

 * @return int                BT_TBS_RESULT_CODE_* if positive or 0,

 *                            errno value if negative.

 */

int bt_tbs_set_signal_strength(uint8_t bearer_index,

			       uint8_t new_signal_strength);



/**

 * @brief Sets the feature and status value.

 *

 * @param bearer_index  The index of the Telephone Bearer or BT_TBS_GTBS_INDEX

 *                      for GTBS.

 * @param status_flags  The new feature and status value.

 *

 * @return int          BT_TBS_RESULT_CODE_* if positive or 0,

 *                      errno value if negative.

 */

int bt_tbs_set_status_flags(uint8_t bearer_index, uint16_t status_flags);



/** @brief Sets the URI scheme list of a bearer.

 *

 *  @param bearer_index  The index of the Telephone Bearer.

 *  @param uri_list      List of URI prefixes (e.g. {"skype", "tel"}).

 *  @param uri_count     Number of URI prefixies in @p uri_list.

 *

 *  @return BT_TBS_RESULT_CODE_* if positive or 0, errno value if negative.

 */

int bt_tbs_set_uri_scheme_list(uint8_t bearer_index, const char **uri_list,

			       uint8_t uri_count);

/**

 * @brief Register the callbacks for TBS.

 *

 * @param cbs Pointer to the callback structure.

 */

void bt_tbs_register_cb(struct bt_tbs_cb *cbs);



#if defined(CONFIG_BT_DEBUG_TBS)

/** @brief Prints all calls of all services to the debug log */

void bt_tbs_dbg_print_calls(void);

#endif /* defined(CONFIG_BT_DEBUG_TBS) */



#endif /* ZEPHYR_INCLUDE_BLUETOOTH_AUDIO_TBS_H_ */

include/bluetooth/uuid.h

+153 −0
Original line number Diff line number Diff line
@@ -473,6 +473,24 @@ struct bt_uuid_128 { 
 */

#define BT_UUID_GMCS \

	BT_UUID_DECLARE_16(BT_UUID_GMCS_VAL)

/** @def BT_UUID_TBS_VAL

 *  @brief Telephone Bearer Service value

 */

#define BT_UUID_TBS_VAL 0x184B

/** @def BT_UUID_TBS

 *  @brief Telephone Bearer Service

 */

#define BT_UUID_TBS \

	BT_UUID_DECLARE_16(BT_UUID_TBS_VAL)

/** @def BT_UUID_GTBS_VAL

 *  @brief Generic Telephone Bearer Service value

 */

#define BT_UUID_GTBS_VAL 0x184C

/** @def BT_UUID_GTBS

 *  @brief Generic Telephone Bearer Service

 */

#define BT_UUID_GTBS \

	BT_UUID_DECLARE_16(BT_UUID_GTBS_VAL)

/** @def BT_UUID_MICS_VAL

 *  @brief Microphone Input Control Service value

 */
@@ -1826,6 +1844,69 @@ struct bt_uuid_128 { 
 */

#define BT_UUID_OTS_TYPE_GROUP \

	BT_UUID_DECLARE_16(BT_UUID_OTS_TYPE_GROUP_VAL)

/** @def BT_UUID_TBS_PROVIDER_NAME_VAL

 *  @brief Bearer Provider Name value

 */

#define BT_UUID_TBS_PROVIDER_NAME_VAL 0x2BB3

/** @def BT_UUID_TBS_PROVIDER_NAME

 *  @brief Bearer Provider Name

 */

#define BT_UUID_TBS_PROVIDER_NAME \

	BT_UUID_DECLARE_16(BT_UUID_TBS_PROVIDER_NAME_VAL)

/** @def BT_UUID_TBS_UCI_VAL

 *  @brief Bearer UCI value

 */

#define BT_UUID_TBS_UCI_VAL 0x2BB4

/** @def BT_UUID_TBS_UCI

 *  @brief Bearer UCI

 */

#define BT_UUID_TBS_UCI \

	BT_UUID_DECLARE_16(BT_UUID_TBS_UCI_VAL)

/** @def BT_UUID_TBS_TECHNOLOGY_VAL

 *  @brief Bearer Technology value

 */

#define BT_UUID_TBS_TECHNOLOGY_VAL 0x2BB5

/** @def BT_UUID_TBS_TECHNOLOGY

 *  @brief Bearer Technology

 */

#define BT_UUID_TBS_TECHNOLOGY \

	BT_UUID_DECLARE_16(BT_UUID_TBS_TECHNOLOGY_VAL)

/** @def BT_UUID_TBS_URI_LIST_VAL

 *  @brief Bearer URI Prefixes Supported List value

 */

#define BT_UUID_TBS_URI_LIST_VAL 0x2BB6

/** @def BT_UUID_TBS_URI_LIST

 *  @brief Bearer URI Prefixes Supported List

 */

#define BT_UUID_TBS_URI_LIST \

	BT_UUID_DECLARE_16(BT_UUID_TBS_URI_LIST_VAL)

/** @def BT_UUID_TBS_SIGNAL_STRENGTH_VAL

 *  @brief Bearer Signal Strength value

 */

#define BT_UUID_TBS_SIGNAL_STRENGTH_VAL 0x2BB7

/** @def BT_UUID_TBS_SIGNAL_STRENGTH

 *  @brief Bearer Signal Strength

 */

#define BT_UUID_TBS_SIGNAL_STRENGTH \

	BT_UUID_DECLARE_16(BT_UUID_TBS_SIGNAL_STRENGTH_VAL)

/** @def BT_UUID_TBS_SIGNAL_INTERVAL_VAL

 *  @brief Bearer Signal Strength Reporting Interval value

 */

#define BT_UUID_TBS_SIGNAL_INTERVAL_VAL 0x2BB8

/** @def BT_UUID_TBS_SIGNAL_INTERVAL

 *  @brief Bearer Signal Strength Reporting Interval

 */

#define BT_UUID_TBS_SIGNAL_INTERVAL \

	BT_UUID_DECLARE_16(BT_UUID_TBS_SIGNAL_INTERVAL_VAL)

/** @def BT_UUID_TBS_LIST_CURRENT_CALLS_VAL

 *  @brief Bearer List Current Calls value

 */

#define BT_UUID_TBS_LIST_CURRENT_CALLS_VAL 0x2BB9

/** @def BT_UUID_TBS_LIST_CURRENT_CALLS

 *  @brief Bearer List Current Calls

 */

#define BT_UUID_TBS_LIST_CURRENT_CALLS \

	BT_UUID_DECLARE_16(BT_UUID_TBS_LIST_CURRENT_CALLS_VAL)

/** @def BT_UUID_CCID_VAL

 *  @brief Content Control ID value

 */
@@ -1835,6 +1916,78 @@ struct bt_uuid_128 { 
 */

#define BT_UUID_CCID \

	BT_UUID_DECLARE_16(BT_UUID_CCID_VAL)

/** @def BT_UUID_TBS_STATUS_FLAGS_VAL

 *  @brief Status flags value

 */

#define BT_UUID_TBS_STATUS_FLAGS_VAL 0x2BBB

/** @def BT_UUID_TBS_STATUS_FLAGS

 *  @brief Status flags

 */

#define BT_UUID_TBS_STATUS_FLAGS \

	BT_UUID_DECLARE_16(BT_UUID_TBS_STATUS_FLAGS_VAL)

/** @def BT_UUID_TBS_INCOMING_URI_VAL

 *  @brief Incoming Call Target Caller ID value

 */

#define BT_UUID_TBS_INCOMING_URI_VAL 0x2BBC

/** @def BT_UUID_TBS_INCOMING_URI

 *  @brief Incoming Call Target Caller ID

 */

#define BT_UUID_TBS_INCOMING_URI \

	BT_UUID_DECLARE_16(BT_UUID_TBS_INCOMING_URI_VAL)

/** @def BT_UUID_TBS_CALL_STATE_VAL

 *  @brief Call State value

 */

#define BT_UUID_TBS_CALL_STATE_VAL 0x2BBD

/** @def BT_UUID_TBS_CALL_STATE

 *  @brief Call State

 */

#define BT_UUID_TBS_CALL_STATE \

	BT_UUID_DECLARE_16(BT_UUID_TBS_CALL_STATE_VAL)

/** @def BT_UUID_TBS_CALL_CONTROL_POINT_VAL

 *  @brief Call Control Point value

 */

#define BT_UUID_TBS_CALL_CONTROL_POINT_VAL 0x2BBE

/** @def BT_UUID_TBS_CALL_CONTROL_POINT

 *  @brief Call Control Point

 */

#define BT_UUID_TBS_CALL_CONTROL_POINT \

	BT_UUID_DECLARE_16(BT_UUID_TBS_CALL_CONTROL_POINT_VAL)

/** @def BT_UUID_TBS_OPTIONAL_OPCODES_VAL

 *  @brief Optional Opcodes value

 */

#define BT_UUID_TBS_OPTIONAL_OPCODES_VAL 0x2BBF

/** @def BT_UUID_TBS_OPTIONAL_OPCODES

 *  @brief Optional Opcodes

 */

#define BT_UUID_TBS_OPTIONAL_OPCODES \

	BT_UUID_DECLARE_16(BT_UUID_TBS_OPTIONAL_OPCODES_VAL)

/** BT_UUID_TBS_TERMINATE_REASON_VAL

 *  @brief Terminate reason value

 */

#define BT_UUID_TBS_TERMINATE_REASON_VAL 0x2BC0

/** BT_UUID_TBS_TERMINATE_REASON

 *  @brief Terminate reason

 */

#define BT_UUID_TBS_TERMINATE_REASON \

	BT_UUID_DECLARE_16(BT_UUID_TBS_TERMINATE_REASON_VAL)

/** @def BT_UUID_TBS_INCOMING_CALL_VAL

 *  @brief Incoming Call value

 */

#define BT_UUID_TBS_INCOMING_CALL_VAL 0x2BC1

/** @def BT_UUID_TBS_INCOMING_CALL

 *  @brief Incoming Call

 */

#define BT_UUID_TBS_INCOMING_CALL \

	BT_UUID_DECLARE_16(BT_UUID_TBS_INCOMING_CALL_VAL)

/** @def BT_UUID_TBS_FRIENDLY_NAME_VAL

 *  @brief Incoming Call Friendly name value

 */

#define BT_UUID_TBS_FRIENDLY_NAME_VAL 0x2BC2

/** @def BT_UUID_TBS_FRIENDLY_NAME

 *  @brief Incoming Call Friendly name

 */

#define BT_UUID_TBS_FRIENDLY_NAME \

	BT_UUID_DECLARE_16(BT_UUID_TBS_FRIENDLY_NAME_VAL)

/** @def BT_UUID_MICS_MUTE_VAL

 *  @brief Microphone Input Control Service Mute value

 */

subsys/bluetooth/audio/CMakeLists.txt

+2 −0
Original line number Diff line number Diff line
@@ -32,6 +32,8 @@ if (CONFIG_BT_CSIS OR CONFIG_BT_CSIS_CLIENT) 
	zephyr_library_sources(csis_crypto.c)

endif()



zephyr_library_sources_ifdef(CONFIG_BT_TBS tbs.c)



zephyr_library_sources_ifdef(CONFIG_BT_MCC mcc.c)



zephyr_library_sources_ifdef(CONFIG_BT_MCS mcs.c)

subsys/bluetooth/audio/Kconfig

+1 −0
Original line number Diff line number Diff line
@@ -31,6 +31,7 @@ rsource "Kconfig.aics" 
rsource "Kconfig.vcs"

rsource "Kconfig.mics"

rsource "Kconfig.csis"

rsource "Kconfig.tbs"

rsource "Kconfig.mcs"

rsource "Kconfig.bass"

rsource "Kconfig.has"

subsys/bluetooth/audio/Kconfig.tbs

0 → 100644
+154 −0
Original line number Diff line number Diff line 
# Bluetooth Audio - Call control configuration options

#

# Copyright (c) 2020 Bose Corporation

#

# SPDX-License-Identifier: Apache-2.0

#



if BT_AUDIO



#####################  Telephone Bearer Service #####################



config BT_TBS

	bool "Telephone Bearer Service Support"

	select BT_CCID

	help

	  This option enables support for Telephone Bearer Service.



if BT_TBS



# TODO: BT_GTBS is mandatory if you support the call control server role.

# Need to enforce this.

config BT_GTBS

	bool "Generic Telephone Bearer Service Support"

	default y

	help

	  This option enables support for Generic Telephone Bearer Service.



config BT_TBS_PROVIDER_NAME

	string "Telephone Bearer Service Provider Name"

	default "Unknown"

	help

	  Sets the name of the service provider for the bearer.



config BT_TBS_UCI

	string "Telephone Bearer Service Uniform Caller Identifier (UCI)"

	default "un000"

	help

	  Sets the UCI of the bearer. See

		https://www.bluetooth.com/specifications/assigned-numbers/uniform-caller-identifiers/

		for a table of valid UCIs.



config BT_TBS_TECHNOLOGY

	int "Telephone Bearer Service Technology"

	range 1 10

	help

	  Sets the technology used for the bearer, e.g. GSM, LTE and 5G.

	  1 : 3G

	  2 : 4G

	  3 : LTE

	  4 : Wi-Fi

	  5 : 5G

	  6 : GSM

	  7 : CDMA

	  8 : 2G

	  9 : WCDMA

	  10: IP



config BT_TBS_URI_SCHEMES_LIST

	string "Telephone Bearer Service URI schemes Supported List"

	default "tel,skype"

	help

	  Sets a list of URI schemes that are supported by the bearer,

	  e.g. "tel" or "skype".

	  Multiple values shall be comma (,) separated, e.g. "tel,skype".



config BT_TBS_SIGNAL_STRENGTH_INTERVAL

	int "Telephone Bearer Service Signal Strength Reporting Interval"

	default 0

	range 0 255

	help

	  Sets the interval of reporting the signal strength in seconds.

		If the value is 0, the signal will not be reported.



config BT_TBS_STATUS_FLAGS

	int "Telephone Bearer Service Features and Status value"

	default 0

	range 0 3

	help

	  Bitfield to set feature and status flags.

	  	Bit 0: In-band ringtone

		Bit 1: Silent mode

		Bits 2-15: Reserved for future use



config BT_TBS_SUPPORTED_FEATURES

	int "Telephone Bearer Service Supported Features"

	default 1

	range 0 3

	help

	  Bitfield to set supported features of the bearer.

		Bit 0: Local Hold and Retrieve

		Bit 1: Join calls within Telephone Bearer Service



config BT_TBS_MAX_CALLS

	int "Telephone Bearer Service Maximum Number Of Calls Supported"

	default 3

	range 1 16

	help

	  Sets the maximum number of calls the service supports per bearer.



config BT_TBS_BEARER_COUNT

	int "How many bearer instances the device instantiates"

	default 1

	range 1 255

	help

	  Sets the number of TBS instances that are instantiated



config BT_TBS_SERVICE_COUNT

	int "Number of instantiated bearer service instances"

	default BT_TBS_BEARER_COUNT

	range 0 BT_TBS_BEARER_COUNT if BT_GTBS

	range BT_TBS_BEARER_COUNT BT_TBS_BEARER_COUNT

	help

	  Sets the number of TBS service instances that are instantiated



config BT_TBS_MAX_SCHEME_LIST_LENGTH

	int "The maximum length of the URI scheme list"

	default 30

	range 0 512

	help

	  Sets the maximum length of the URI scheme list. If BT_GTBS is enabled,

	  then the maximum length should be maximum 512 / BT_TBS_BEARER_COUNT.



config BT_TBS_AUTHORIZATION

	bool "TBS authorization requirement"

	help

	  If set to true, then any writable characteristics will require

	  authorization per connection.



config BT_TBS_MAX_URI_LENGTH

	int "The maximum length of the call URI supported"

	default 30

	range 4 253

	help

	  Sets the maximum length of the call URI supported. Note that if this

	  value is lower than a call URI, the call request will be rejected.



config BT_TBS_MAX_PROVIDER_NAME_LENGTH

	int "The maximum length of the bearer provider name"

	default 30

	range 0 512

	help

	  Sets the maximum length of the bearer provider name.



############# DEBUG #############



config BT_DEBUG_TBS

	bool "Telephone Bearer Service debug"

	help

	  Use this option to enable Telephone Bearer Service debug logs for the

	  Bluetooth Audio functionality.



endif # BT_TBS



endif # BT_AUDIO

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