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#ifndef OSMO_CC_MSG_H
#define OSMO_CC_MSG_H
#define OSMO_CC_VERSION "OSMOCCv1"
/* call control messages types */
enum osmo_cc_msg_type {
OSMO_CC_MSG_SETUP_REQ = 0x00,
OSMO_CC_MSG_SETUP_IND = 0x01,
OSMO_CC_MSG_REJ_REQ = 0x10,
OSMO_CC_MSG_REJ_IND = 0x11,
OSMO_CC_MSG_SETUP_ACK_REQ = 0x20,
OSMO_CC_MSG_SETUP_ACK_IND = 0x21,
OSMO_CC_MSG_PROC_REQ = 0x30,
OSMO_CC_MSG_PROC_IND = 0x31,
OSMO_CC_MSG_ALERT_REQ = 0x40,
OSMO_CC_MSG_ALERT_IND = 0x41,
OSMO_CC_MSG_SETUP_RSP = 0x02,
OSMO_CC_MSG_SETUP_CNF = 0x03,
OSMO_CC_MSG_SETUP_COMP_REQ = 0x50,
OSMO_CC_MSG_SETUP_COMP_IND = 0x51,
OSMO_CC_MSG_DISC_REQ = 0x60,
OSMO_CC_MSG_DISC_IND = 0x61,
OSMO_CC_MSG_REL_REQ = 0x70,
OSMO_CC_MSG_REL_CNF = 0x73,
OSMO_CC_MSG_REL_IND = 0x71,
OSMO_CC_MSG_PROGRESS_REQ = 0x80,
OSMO_CC_MSG_PROGRESS_IND = 0x81,
OSMO_CC_MSG_NOTIFY_REQ = 0x84,
OSMO_CC_MSG_NOTIFY_IND = 0x85,
OSMO_CC_MSG_INFO_REQ = 0x88,
OSMO_CC_MSG_INFO_IND = 0x89,
OSMO_CC_MSG_ATTACH_REQ = 0xf8,
OSMO_CC_MSG_ATTACH_IND = 0xf9,
OSMO_CC_MSG_ATTACH_RSP = 0xfa,
OSMO_CC_MSG_ATTACH_CNF = 0xfb,
OSMO_CC_MSG_DUMMY_REQ = 0xfc,
};
#define OSMO_CC_MSG_MASK 0x03,
#define OSMO_CC_MSG_REQ 0x00,
#define OSMO_CC_MSG_IND 0x01,
#define OSMO_CC_MSG_RSP 0x02,
#define OSMO_CC_MSG_CNF 0x03,
/* information elements */
enum osmo_cc_ie_type {
OSMO_CC_IE_CALLED = 0x11,
OSMO_CC_IE_CALLED_SUB = 0x12,
OSMO_CC_IE_CALLED_NAME = 0x13,
OSMO_CC_IE_CALLED_INTERFACE = 0x14,
OSMO_CC_IE_DTMF = 0x1d,
OSMO_CC_IE_KEYPAD = 0x1e,
OSMO_CC_IE_COMPLETE = 0x1f,
OSMO_CC_IE_CALLING = 0x21,
OSMO_CC_IE_CALLING_SUB = 0x22,
OSMO_CC_IE_CALLING_NAME = 0x23,
OSMO_CC_IE_CALLING_INTERFACE = 0x24,
OSMO_CC_IE_CALLING_NETWORK = 0x2f,
OSMO_CC_IE_REDIR = 0x31,
OSMO_CC_IE_PROGRESS = 0x32,
OSMO_CC_IE_NOTIFY = 0x33,
OSMO_CC_IE_DISPLAY = 0x34,
OSMO_CC_IE_CAUSE = 0x41,
OSMO_CC_IE_BEARER = 0x51,
OSMO_CC_IE_SDP = 0x52,
OSMO_CC_IE_SOCKET_ADDRESS = 0x5e,
OSMO_CC_IE_PRIVATE = 0x5f,
};
/* type of number, see ITU-T Rec. Q.931 */
#define OSMO_CC_TYPE_UNKNOWN 0
#define OSMO_CC_TYPE_INTERNATIONAL 1
#define OSMO_CC_TYPE_NATIONAL 2
#define OSMO_CC_TYPE_NETWORK 3
#define OSMO_CC_TYPE_SUBSCRIBER 4
#define OSMO_CC_TYPE_ABBREVIATED 5
#define OSMO_CC_TYPE_RESERVED 7
/* numbering plan, see ITU-T Rec. Q.931 */
#define OSMO_CC_PLAN_UNKNOWN 0
#define OSMO_CC_PLAN_TELEPHONY 1
#define OSMO_CC_PLAN_DATA 3
#define OSMO_CC_PLAN_TTY 4
#define OSMO_CC_PLAN_NATIONAL_STANDARD 8
#define OSMO_CC_PLAN_PRIVATE 9
#define OSMO_CC_PLAN_RESERVED 15
/* presentation indicator, see ITU-T Rec. Q.931 */
#define OSMO_CC_PRESENT_ALLOWED 0
#define OSMO_CC_PRESENT_RESTRICTED 1
#define OSMO_CC_PRESENT_NOT_AVAIL 2
#define OSMO_CC_PRESENT_RESERVED 3
/* screening indicator, see ITU-T Rec. Q.931 */
#define OSMO_CC_SCREEN_USER_UNSCREENED 0
#define OSMO_CC_SCREEN_USER_VERIFIED_PASSED 1
#define OSMO_CC_SCREEN_USER_VERIFIED_FAILED 2
#define OSMO_CC_SCREEN_NETWORK 3
/* screening indicator, see ITU-T Rec. Q.931 */
#define OSMO_CC_REDIR_REASON_UNKNOWN 0
#define OSMO_CC_REDIR_REASON_CFB 1
#define OSMO_CC_REDIR_REASON_CFNR 2
#define OSMO_CC_REDIR_REASON_CD 4
#define OSMO_CC_REDIR_REASON_CF_OUTOFORDER 9
#define OSMO_CC_REDIR_REASON_CF_BY_DTE 10
#define OSMO_CC_REDIR_REASON_CFU 15
/* notification indicator, see ITU-T Rec. Q.931 ff. */
#define OSMO_CC_NOTIFY_USER_SUSPENDED 0x00
#define OSMO_CC_NOTIFY_USER_RESUMED 0x01
#define OSMO_CC_NOTIFY_BEARER_SERVICE_CHANGE 0x02
#define OSMO_CC_NOTIFY_CALL_COMPLETION_DELAY 0x03
#define OSMO_CC_NOTIFY_CONFERENCE_ESTABLISHED 0x42
#define OSMO_CC_NOTIFY_CONFERENCE_DISCONNECTED 0x43
#define OSMO_CC_NOTIFY_OTHER_PARTY_ADDED 0x44
#define OSMO_CC_NOTIFY_ISOLATED 0x45
#define OSMO_CC_NOTIFY_REATTACHED 0x46
#define OSMO_CC_NOTIFY_OTHER_PARTY_ISOLATED 0x47
#define OSMO_CC_NOTIFY_OTHER_PARTY_REATTACHED 0x48
#define OSMO_CC_NOTIFY_OTHER_PARTY_SPLIT 0x49
#define OSMO_CC_NOTIFY_OTHER_PARTY_DISCONNECTED 0x4a
#define OSMO_CC_NOTIFY_CONFERENCE_FLOATING 0x4b
#define OSMO_CC_NOTIFY_CONFERENCE_DISC_PREEMPT 0x4c /* disconnect preemted */
#define OSMO_CC_NOTIFY_CONFERENCE_FLOATING_SUP 0x4f /* served user preemted */
#define OSMO_CC_NOTIFY_CALL_IS_A_WAITING_CALL 0x60
#define OSMO_CC_NOTIFY_DIVERSION_ACTIVATED 0x68
#define OSMO_CC_NOTIFY_RESERVED_CT_1 0x69
#define OSMO_CC_NOTIFY_RESERVED_CT_2 0x6a
#define OSMO_CC_NOTIFY_REVERSE_CHARGING 0x6e
#define OSMO_CC_NOTIFY_REMOTE_HOLD 0x79
#define OSMO_CC_NOTIFY_REMOTE_RETRIEVAL 0x7a
#define OSMO_CC_NOTIFY_CALL_IS_DIVERTING 0x7b
/* coding standard, see ITU-T Rec. Q.931 */
#define OSMO_CC_CODING_ITU_T 0
#define OSMO_CC_CODING_ISO_IEC 1
#define OSMO_CC_CODING_NATIONAL 2
#define OSMO_CC_CODING_STANDARD_SPECIFIC 3
/* cause, see ITU-T Rec. Q.850 */
#define OSMO_CC_ISDN_CAUSE_UNASSIGNED_NR 1
#define OSMO_CC_ISDN_CAUSE_NO_ROUTE 3
#define OSMO_CC_ISDN_CAUSE_CHAN_UNACCEPT 6
#define OSMO_CC_ISDN_CAUSE_OP_DET_BARRING 8
#define OSMO_CC_ISDN_CAUSE_NORM_CALL_CLEAR 16
#define OSMO_CC_ISDN_CAUSE_USER_BUSY 17
#define OSMO_CC_ISDN_CAUSE_USER_NOTRESPOND 18
#define OSMO_CC_ISDN_CAUSE_USER_ALERTING_NA 19
#define OSMO_CC_ISDN_CAUSE_CALL_REJECTED 21
#define OSMO_CC_ISDN_CAUSE_NUMBER_CHANGED 22
#define OSMO_CC_ISDN_CAUSE_PRE_EMPTION 25
#define OSMO_CC_ISDN_CAUSE_NONSE_USER_CLR 26
#define OSMO_CC_ISDN_CAUSE_DEST_OOO 27
#define OSMO_CC_ISDN_CAUSE_INV_NR_FORMAT 28
#define OSMO_CC_ISDN_CAUSE_FACILITY_REJ 29
#define OSMO_CC_ISDN_CAUSE_RESP_STATUS_INQ 30
#define OSMO_CC_ISDN_CAUSE_NORMAL_UNSPEC 31
#define OSMO_CC_ISDN_CAUSE_NO_CIRCUIT_CHAN 34
#define OSMO_CC_ISDN_CAUSE_NETWORK_OOO 38
#define OSMO_CC_ISDN_CAUSE_TEMP_FAILURE 41
#define OSMO_CC_ISDN_CAUSE_SWITCH_CONG 42
#define OSMO_CC_ISDN_CAUSE_ACC_INF_DISCARD 43
#define OSMO_CC_ISDN_CAUSE_REQ_CHAN_UNAVAIL 44
#define OSMO_CC_ISDN_CAUSE_RESOURCE_UNAVAIL 47
#define OSMO_CC_ISDN_CAUSE_QOS_UNAVAIL 49
#define OSMO_CC_ISDN_CAUSE_REQ_FAC_NOT_SUBSC 50
#define OSMO_CC_ISDN_CAUSE_INC_BARRED_CUG 55
#define OSMO_CC_ISDN_CAUSE_BEARER_CAP_UNAUTH 57
#define OSMO_CC_ISDN_CAUSE_BEARER_CA_UNAVAIL 58
#define OSMO_CC_ISDN_CAUSE_SERV_OPT_UNAVAIL 63
#define OSMO_CC_ISDN_CAUSE_BEARERSERV_UNIMPL 65
#define OSMO_CC_ISDN_CAUSE_ACM_GE_ACM_MAX 68
#define OSMO_CC_ISDN_CAUSE_REQ_FAC_NOTIMPL 69
#define OSMO_CC_ISDN_CAUSE_RESTR_BCAP_AVAIL 70
#define OSMO_CC_ISDN_CAUSE_SERV_OPT_UNIMPL 79
#define OSMO_CC_ISDN_CAUSE_INVAL_CALLREF 81
#define OSMO_CC_ISDN_CAUSE_USER_NOT_IN_CUG 87
#define OSMO_CC_ISDN_CAUSE_INCOMPAT_DEST 88
#define OSMO_CC_ISDN_CAUSE_INVAL_TRANS_NET 91
#define OSMO_CC_ISDN_CAUSE_SEMANTIC_INCORR 95
#define OSMO_CC_ISDN_CAUSE_INVAL_MAND_INF 96
#define OSMO_CC_ISDN_CAUSE_MSGTYPE_NOTEXIST 97
#define OSMO_CC_ISDN_CAUSE_MSGTYPE_INCOMPAT 98
#define OSMO_CC_ISDN_CAUSE_IE_NOTEXIST 99
#define OSMO_CC_ISDN_CAUSE_COND_IE_ERR 100
#define OSMO_CC_ISDN_CAUSE_MSG_INCOMP_STATE 101
#define OSMO_CC_ISDN_CAUSE_RECOVERY_TIMER 102
#define OSMO_CC_ISDN_CAUSE_PROTO_ERR 111
#define OSMO_CC_ISDN_CAUSE_INTERWORKING 127
/* location, see ITU-T Rec. Q.931 */
#define OSMO_CC_LOCATION_USER 0
#define OSMO_CC_LOCATION_PRIV_SERV_LOC_USER 1
#define OSMO_CC_LOCATION_PUB_SERV_LOC_USER 2
#define OSMO_CC_LOCATION_TRANSIT 3
#define OSMO_CC_LOCATION_PUB_SERV_REM_USER 4
#define OSMO_CC_LOCATION_PRIV_SERV_REM_USER 5
#define OSMO_CC_LOCATION_BEYOND_INTERWORKING 10
/* progress description, see ITU-T Rec. Q.931 */
#define OSMO_CC_PROGRESS_NOT_END_TO_END_ISDN 1
#define OSMO_CC_PROGRESS_DEST_NOT_ISDN 2
#define OSMO_CC_PROGRESS_ORIG_NOT_ISDN 3
#define OSMO_CC_PROGRESS_RETURN_TO_ISDN 4
#define OSMO_CC_PROGRESS_INTERWORKING 5
#define OSMO_CC_PROGRESS_INBAND_INFO_AVAILABLE 8
/* information transfer capability, see ITU-T Rec. Q.931 */
#define OSMO_CC_CAPABILITY_SPEECH 0
#define OSMO_CC_CAPABILITY_DATA 8
#define OSMO_CC_CAPABILITY_DATA_RESTRICTED 9
#define OSMO_CC_CAPABILITY_AUDIO 16
#define OSMO_CC_CAPABILITY_DATA_WITH_TONES 17
#define OSMO_CC_CAPABILITY_VIDEO 24
/* transfer mode, see ITU-T Rec. Q.931 */
#define OSMO_CC_MODE_CIRCUIT 0
#define OSMO_CC_MODE_PACKET 2
#define OSMO_CC_DTMF_MODE_OFF 0 /* stop tone */
#define OSMO_CC_DTMF_MODE_ON 1 /* start tone */
#define OSMO_CC_DTMF_MODE_DIGITS 2 /* play tone(s) with duration and pauses */
#define OSMO_CC_SOCKET_CAUSE_VERSION_MISMATCH 1 /* version missmatch */
#define OSMO_CC_SOCKET_CAUSE_FAILED 2 /* connection failed */
#define OSMO_CC_SOCKET_CAUSE_BROKEN_PIPE 3 /* connected socket failed */
#define OSMO_CC_SOCKET_CAUSE_TIMEOUT 4 /* keepalive packets timeout */
// if you add causes here, add them in process_cause.c also!
/* network type (network IE) and meaning of 'id' */
#define OSMO_CC_NETWORK_UNDEFINED 0x00
#define OSMO_CC_NETWORK_ALSA_NONE 0x01
#define OSMO_CC_NETWORK_POTS_NONE 0x02
#define OSMO_CC_NETWORK_ISDN_NONE 0x03
#define OSMO_CC_NETWORK_SIP_NONE 0x04
#define OSMO_CC_NETWORK_GSM_IMSI 0x05 /* id has decimal IMSI */
#define OSMO_CC_NETWORK_GSM_IMEI 0x06 /* id has decimal IMEI */
#define OSMO_CC_NETWORK_WEB_NONE 0x07
#define OSMO_CC_NETWORK_DECT_NONE 0x08
#define OSMO_CC_NETWORK_BLUETOOTH_NONE 0x09
#define OSMO_CC_NETWORK_SS5_NONE 0x0a
#define OSMO_CC_NETWORK_ANETZ_NONE 0x80
#define OSMO_CC_NETWORK_BNETZ_MUENZ 0x81 /* id starts with 'M' */
#define OSMO_CC_NETWORK_CNETZ_NONE 0x82
#define OSMO_CC_NETWORK_NMT_NONE 0x83 /* id has decimal password */
#define OSMO_CC_NETWORK_R2000_NONE 0x84
#define OSMO_CC_NETWORK_AMPS_ESN 0x85 /* if has decimal ESN (TACS also) */
#define OSMO_CC_NETWORK_MTS_NONE 0x86
#define OSMO_CC_NETWORK_IMTS_NONE 0x87
#define OSMO_CC_NETWORK_EUROSIGNAL_NONE 0x88
#define OSMO_CC_NETWORK_JOLLYCOM_NONE 0x89 /* call from JollyCom... */
typedef struct osmo_cc_msg {
uint8_t type;
uint16_t length_networkorder;
uint8_t data[0];
} __attribute__((packed)) osmo_cc_msg_t;
typedef struct osmo_cc_msg_list {
struct osmo_cc_msg_list *next;
struct osmo_cc_msg *msg;
uint32_t callref;
char host[128];
uint16_t port;
} osmo_cc_msg_list_t;
typedef struct osmo_cc_ie {
uint8_t type;
uint16_t length_networkorder;
uint8_t data[0];
} __attribute__((packed)) osmo_cc_ie_t;
struct osmo_cc_ie_called {
uint8_t type;
uint8_t plan;
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_called_sub {
uint8_t type;
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_called_name {
char name[0];
} __attribute__((packed));
struct osmo_cc_ie_called_interface {
char name[0];
} __attribute__((packed));
struct osmo_cc_ie_calling {
uint8_t type;
uint8_t plan;
uint8_t present;
uint8_t screen;
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_calling_sub {
uint8_t type;
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_calling_name {
char name[0];
} __attribute__((packed));
struct osmo_cc_ie_calling_interface {
char name[0];
} __attribute__((packed));
struct osmo_cc_ie_network {
uint8_t type;
char id[0];
} __attribute__((packed));
struct osmo_cc_ie_bearer {
uint8_t coding;
uint8_t capability;
uint8_t mode;
} __attribute__((packed));
struct osmo_cc_ie_redir {
uint8_t type;
uint8_t plan;
uint8_t present;
uint8_t screen;
uint8_t redir_reason;
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_dtmf {
uint8_t duration_ms;
uint8_t pause_ms;
uint8_t dtmf_mode;
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_keypad {
char digits[0];
} __attribute__((packed));
struct osmo_cc_ie_progress {
uint8_t coding;
uint8_t location;
uint8_t progress;
} __attribute__((packed));
struct osmo_cc_ie_notify {
uint8_t notify;
} __attribute__((packed));
struct osmo_cc_ie_cause {
uint8_t location;
uint8_t isdn_cause;
uint16_t sip_cause_networkorder;
uint8_t socket_cause;
} __attribute__((packed));
struct osmo_cc_ie_display {
char text[0];
} __attribute__((packed));
struct osmo_cc_ie_sdp {
char sdp[0];
} __attribute__((packed));
struct osmo_cc_ie_socket_address {
char address[0];
} __attribute__((packed));
struct osmo_cc_ie_private {
uint32_t unique_networkorder;
uint8_t data[0];
} __attribute__((packed));
uint32_t osmo_cc_new_callref(void);
const char *osmo_cc_msg_name(uint8_t msg_type);
osmo_cc_msg_t *osmo_cc_new_msg(uint8_t msg_type);
osmo_cc_msg_t *osmo_cc_clone_msg(osmo_cc_msg_t *msg);
osmo_cc_msg_t *osmo_cc_msg_list_dequeue(osmo_cc_msg_list_t **mlp, uint32_t *callref_p);
osmo_cc_msg_list_t *osmo_cc_msg_list_enqueue(osmo_cc_msg_list_t **mlp, osmo_cc_msg_t *msg, uint32_t callref);
void osmo_cc_free_msg(osmo_cc_msg_t *msg);
int osmo_cc_get_ie_struct(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat, int ie_len, const osmo_cc_ie_t **ie_struct);
int osmo_cc_get_ie_data(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat, int ie_len, const void **ie_data);
int osmo_cc_has_ie(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat);
int osmo_cc_remove_ie(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_repeat);
void *osmo_cc_add_ie(osmo_cc_msg_t *msg, uint8_t ie_type, int ie_len);
void *osmo_cc_msg_sep_ie(osmo_cc_msg_t *msg, void **iep, uint8_t *ie_type, uint16_t *ie_length);
void osmo_cc_add_ie_called(osmo_cc_msg_t *msg, uint8_t type, uint8_t plan, const char *dialing);
int osmo_cc_get_ie_called(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, uint8_t *plan, char *dialing, size_t dialing_size);
void osmo_cc_add_ie_called_sub(osmo_cc_msg_t *msg, uint8_t type, const char *dialing);
int osmo_cc_get_ie_called_sub(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, char *dialing, size_t dialing_size);
void osmo_cc_add_ie_called_name(osmo_cc_msg_t *msg, const char *name);
int osmo_cc_get_ie_called_name(osmo_cc_msg_t *msg, int ie_repeat, char *name, size_t name_size);
void osmo_cc_add_ie_called_interface(osmo_cc_msg_t *msg, const char *interface);
int osmo_cc_get_ie_called_interface(osmo_cc_msg_t *msg, int ie_repeat, char *interface, size_t interface_size);
void osmo_cc_add_ie_complete(osmo_cc_msg_t *msg);
int osmo_cc_get_ie_complete(osmo_cc_msg_t *msg, int ie_repeat);
void osmo_cc_add_ie_calling(osmo_cc_msg_t *msg, uint8_t type, uint8_t plan, uint8_t present, uint8_t screen, const char *callerid);
int osmo_cc_get_ie_calling(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, uint8_t *plan, uint8_t *present, uint8_t *screen, char *callerid, size_t callerid_size);
void osmo_cc_add_ie_calling_sub(osmo_cc_msg_t *msg, uint8_t type, const char *callerid);
int osmo_cc_get_ie_calling_sub(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, char *callerid, size_t callerid_size);
void osmo_cc_add_ie_calling_name(osmo_cc_msg_t *msg, const char *name);
int osmo_cc_get_ie_calling_name(osmo_cc_msg_t *msg, int ie_repeat, char *name, size_t name_size);
void osmo_cc_add_ie_calling_interface(osmo_cc_msg_t *msg, const char *interface);
int osmo_cc_get_ie_calling_interface(osmo_cc_msg_t *msg, int ie_repeat, char *interface, size_t interface_size);
void osmo_cc_add_ie_calling_network(osmo_cc_msg_t *msg, uint8_t type, const char *networkid);
int osmo_cc_get_ie_calling_network(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, char *networkid, size_t networkid_size);
void osmo_cc_add_ie_bearer(osmo_cc_msg_t *msg, uint8_t coding, uint8_t capability, uint8_t mode);
int osmo_cc_get_ie_bearer(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *coding, uint8_t *capability, uint8_t *mode);
void osmo_cc_add_ie_redir(osmo_cc_msg_t *msg, uint8_t type, uint8_t plan, uint8_t present, uint8_t screen, uint8_t redir_reason, const char *callerid);
int osmo_cc_get_ie_redir(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *type, uint8_t *plan, uint8_t *present, uint8_t *screen, uint8_t *reason, char *callerid, size_t callerid_size);
void osmo_cc_add_ie_dtmf(osmo_cc_msg_t *msg, uint8_t duration_ms, uint8_t pause_ms, uint8_t dtmf_mode, const char *digits);
int osmo_cc_get_ie_dtmf(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *duration_ms, uint8_t *pause_ms, uint8_t *dtmf_mode, char *digits, size_t digits_size);
void osmo_cc_add_ie_keypad(osmo_cc_msg_t *msg, const char *digits);
int osmo_cc_get_ie_keypad(osmo_cc_msg_t *msg, int ie_repeat, char *digits, size_t digits_size);
void osmo_cc_add_ie_progress(osmo_cc_msg_t *msg, uint8_t coding, uint8_t location, uint8_t progress);
int osmo_cc_get_ie_progress(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *coding, uint8_t *location, uint8_t *progress);
void osmo_cc_add_ie_notify(osmo_cc_msg_t *msg, uint8_t notify);
int osmo_cc_get_ie_notify(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *notify);
void osmo_cc_add_ie_cause(osmo_cc_msg_t *msg, uint8_t location, uint8_t isdn_cause, uint16_t sip_cause, uint8_t socket_cause);
int osmo_cc_get_ie_cause(osmo_cc_msg_t *msg, int ie_repeat, uint8_t *location, uint8_t *isdn_cause, uint16_t *sip_cause, uint8_t *socket_cause);
void osmo_cc_add_ie_display(osmo_cc_msg_t *msg, const char *text);
int osmo_cc_get_ie_display(osmo_cc_msg_t *msg, int ie_repeat, char *text, size_t text_size);
void osmo_cc_add_ie_sdp(osmo_cc_msg_t *msg, const char *sdp);
int osmo_cc_get_ie_sdp(osmo_cc_msg_t *msg, int ie_repeat, char *sdp, size_t sdp_size);
void osmo_cc_add_ie_socket_address(osmo_cc_msg_t *msg, const char *address);
int osmo_cc_get_ie_socket_address(osmo_cc_msg_t *msg, int ie_repeat, char *address, size_t address_size);
void osmo_cc_add_ie_private(osmo_cc_msg_t *msg, uint32_t unique, const uint8_t *data, size_t data_size);
int osmo_cc_get_ie_private(osmo_cc_msg_t *msg, int ie_repeat, uint32_t *unique, uint8_t *data, size_t data_size);
#endif /* OSMO_CC_MSG_H */
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