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#ifndef _LIBGSMD_VCALL_H
#define _LIBGSMD_VCALL_H
#include <libgsmd/libgsmd.h>
/* Voice Calls */
/*
* call related supplementary services from 3GPP TS 02.30 4.5.5.1
* R - Release
* A - Accept
* H - Hold
* M - Multiparty
*/
enum lgsm_voicecall_ctrl_proc {
LGSM_VOICECALL_CTRL_R_HLDS = 0, // 0
LGSM_VOICECALL_CTRL_UDUB = 1, // 0
LGSM_VOICECALL_CTRL_R_ACTS_A_HLD_WAIT = 2, // 1
LGSM_VOICECALL_CTRL_R_ACT_X = 3, // 1x
LGSM_VOICECALL_CTRL_H_ACTS_A_HLD_WAIT = 4, // 2
LGSM_VOICECALL_CTRL_H_ACTS_EXCEPT_X = 5, // 2x
LGSM_VOICECALL_CTRL_M_HELD = 6, // 3
};
/* Refer to GSM 07.07 subclause 7.12 and 02.30 subclause 4.5.5.1 */
struct lgsm_voicecall_ctrl {
enum lgsm_voicecall_ctrl_proc proc;
int idx;
};
/* Initiate an outgoing voice call */
extern int lgsm_voice_out_init(struct lgsm_handle *lh,
const struct lgsm_addr *number);
/* Accept incoming voice call */
extern int lgsm_voice_in_accept(struct lgsm_handle *lh);
/* Terminate outgoing (or incoming) voice call */
extern int lgsm_voice_hangup(struct lgsm_handle *lh);
/* Send DTMF character during voice call */
extern int lgsm_voice_dtmf(struct lgsm_handle *lh, char dtmf_char);
/* Get call status */
extern int lgsm_voice_get_status(struct lgsm_handle *lh);
/* Call control */
extern int lgsm_voice_ctrl(struct lgsm_handle *lh,
const struct lgsm_voicecall_ctrl *ctrl);
#endif
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