diff options
Diffstat (limited to 'include/libgsmd/voicecall.h')
| -rw-r--r-- | include/libgsmd/voicecall.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/libgsmd/voicecall.h b/include/libgsmd/voicecall.h index 2d9609c..ac7b99c 100644 --- a/include/libgsmd/voicecall.h +++ b/include/libgsmd/voicecall.h @@ -5,6 +5,29 @@ /* 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); @@ -21,4 +44,8 @@ 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 |