diff options
Diffstat (limited to 'src/libgsmd')
| -rw-r--r-- | src/libgsmd/libgsmd_voicecall.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/libgsmd/libgsmd_voicecall.c b/src/libgsmd/libgsmd_voicecall.c index 2a1d6e6..b21ca37 100644 --- a/src/libgsmd/libgsmd_voicecall.c +++ b/src/libgsmd/libgsmd_voicecall.c @@ -51,6 +51,31 @@ int lgsm_voice_out_init(struct lgsm_handle *lh, return 0; } +int lgsm_voice_dtmf(struct lgsm_handle *lh, char dtmf_char) +{ + struct gsmd_msg_hdr *gmh; + struct gsmd_dtmf *gd; + int rc; + + gmh = lgsm_gmh_fill(GSMD_MSG_VOICECALL, + GSMD_VOICECALL_DTMF, sizeof(*gd)+1); + if (!gmh) + return -ENOMEM; + gd = (struct gsmd_dtmf *) gmh->data; + gd->len = 1; + gd->dtmf[0] = dtmf_char; + + rc = lgsm_send(lh, gmh); + if (rc < gmh->len + sizeof(*gd)+1) { + lgsm_gmh_free(gmh);; + return -EIO; + } + + lgsm_gmh_free(gmh); + + return 0; +} + int lgsm_voice_in_accept(struct lgsm_handle *lh) { return lgsm_send_simple(lh, GSMD_MSG_VOICECALL, GSMD_VOICECALL_ANSWER); |