Merge "res_fax: allow 2400 transmission rate according to v.27ter standard"

include/asterisk/res_fax.h

@@ -53,8 +53,8 @@ enum ast_fax_capabilities {
 enum ast_fax_modems {
 	/*! V.17 */
 	AST_FAX_MODEM_V17 = (1 << 0),
-	/*! V.27 */
-	AST_FAX_MODEM_V27 = (1 << 1),
+	/*! V.27ter */
+	AST_FAX_MODEM_V27TER = (1 << 1),
 	/*! V.29 */
 	AST_FAX_MODEM_V29 = (1 << 2),
 	/*! V.34 */

res/res_fax.c

@@ -523,7 +523,7 @@ static AST_RWLIST_HEAD_STATIC(faxmodules, fax_module);
 #define RES_FAX_MINRATE 4800
 #define RES_FAX_MAXRATE 14400
 #define RES_FAX_STATUSEVENTS 0
-#define RES_FAX_MODEM (AST_FAX_MODEM_V17 | AST_FAX_MODEM_V27 | AST_FAX_MODEM_V29)
+#define RES_FAX_MODEM (AST_FAX_MODEM_V17 | AST_FAX_MODEM_V27TER | AST_FAX_MODEM_V29)
 #define RES_FAX_T38TIMEOUT 5000
 
 struct fax_options {
@@ -828,7 +828,7 @@ static int update_modem_bits(enum ast_fax_modems *bits, const char *value)
 		if (!strcasecmp(m[j], "v17")) {
 			*bits |= AST_FAX_MODEM_V17;
 		} else if (!strcasecmp(m[j], "v27")) {
-			*bits |= AST_FAX_MODEM_V27;
+			*bits |= AST_FAX_MODEM_V27TER;
 		} else if (!strcasecmp(m[j], "v29")) {
 			*bits |= AST_FAX_MODEM_V29;
 		} else if (!strcasecmp(m[j], "v34")) {
@@ -907,7 +907,7 @@ static int ast_fax_modem_to_str(enum ast_fax_modems bits, char *tbuf, size_t buf
 		strcat(tbuf, "V17");
 		count++;
 	}
-	if (bits & AST_FAX_MODEM_V27) {
+	if (bits & AST_FAX_MODEM_V27TER) {
 		if (count) {
 			strcat(tbuf, ",");
 		}
@@ -936,22 +936,14 @@ static int check_modem_rate(enum ast_fax_modems modems, unsigned int rate)
 {
 	switch (rate) {
 	case 2400:
-		if (!(modems & (AST_FAX_MODEM_V34))) {
-			return 1;
-		}
-		break;
 	case 4800:
-		if (!(modems & (AST_FAX_MODEM_V27 | AST_FAX_MODEM_V34))) {
+		if (!(modems & (AST_FAX_MODEM_V27TER | AST_FAX_MODEM_V34))) {
 			return 1;
 		}
 		break;
 	case 7200:
-		if (!(modems & (AST_FAX_MODEM_V17 | AST_FAX_MODEM_V29 | AST_FAX_MODEM_V34))) {
-			return 1;
-		}
-		break;
 	case 9600:
-		if (!(modems & (AST_FAX_MODEM_V17 | AST_FAX_MODEM_V27 | AST_FAX_MODEM_V29 | AST_FAX_MODEM_V34))) {
+		if (!(modems & (AST_FAX_MODEM_V17 | AST_FAX_MODEM_V29 | AST_FAX_MODEM_V34))) {
 			return 1;
 		}
 		break;

res/res_fax_spandsp.c

@@ -502,7 +502,7 @@ static int spandsp_modems(struct ast_fax_session_details *details)
 	if (AST_FAX_MODEM_V17 & details->modems) {
 		modems |= T30_SUPPORT_V17;
 	}
-	if (AST_FAX_MODEM_V27 & details->modems) {
+	if (AST_FAX_MODEM_V27TER & details->modems) {
 		modems |= T30_SUPPORT_V27TER;
 	}
 	if (AST_FAX_MODEM_V29 & details->modems) {