[Core] Implement NDLB_line_flash_16 channel variable. Set to true to enable deprecate...

diff --git a/src/switch_core_media.c b/src/switch_core_media.c
index d08b24559ee69516af24e572e28f1cb56d976c94..087a15157078a73bc65f13d6d813f8a77683e8be 100644 (file)
--- a/src/switch_core_media.c
+++ b/src/switch_core_media.c
@@ -10053,14 +10053,16 @@ static void generate_m(switch_core_session_t *session, char *buf, size_t buflen,
                                }
                        }
                } else {
+                       uint8_t NDLB_line_flash_16 = switch_channel_var_true(session->channel, "NDLB_line_flash_16");
+
                        for (i = 0; i < smh->num_rates; i++) {
                                if (switch_channel_test_flag(session->channel, CF_AVPF)) {
                                        switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/%d\r\n",
                                                smh->dtmf_ianacodes[i], smh->rates[i]);
                                }
                                else {
-                                       switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/%d\r\na=fmtp:%d 0-15\r\n",
-                                               smh->dtmf_ianacodes[i], smh->rates[i], smh->dtmf_ianacodes[i]);
+                                       switch_snprintf(buf + strlen(buf), buflen - strlen(buf), "a=rtpmap:%d telephone-event/%d\r\na=fmtp:%d 0-%d\r\n",
+                                               smh->dtmf_ianacodes[i], smh->rates[i], smh->dtmf_ianacodes[i], (NDLB_line_flash_16 ? 16 : 15));
                                }
                        }
                }
@@ -10777,8 +10779,8 @@ SWITCH_DECLARE(void) switch_core_media_gen_local_sdp(switch_core_session_t *sess
                                switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d telephone-event/%d\r\n",
                                                                smh->mparams->te, smh->mparams->te_rate);
                        } else {
-                               switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d telephone-event/%d\r\na=fmtp:%d 0-15\r\n",
-                                                               smh->mparams->te, smh->mparams->te_rate, smh->mparams->te);
+                               switch_snprintf(buf + strlen(buf), SDPBUFLEN - strlen(buf), "a=rtpmap:%d telephone-event/%d\r\na=fmtp:%d 0-%d\r\n",
+                                                               smh->mparams->te, smh->mparams->te_rate, smh->mparams->te, (switch_channel_var_true(session->channel, "NDLB_line_flash_16") ? 16 : 15));
                        }
                }