diff --git a/jni/pjproject-android/third_party/gsm/tst/cod2lin.c b/jni/pjproject-android/third_party/gsm/tst/cod2lin.c
new file mode 100644
index 0000000..07a9510
--- /dev/null
+++ b/jni/pjproject-android/third_party/gsm/tst/cod2lin.c
@@ -0,0 +1,104 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/cod2lin.c,v 1.2 1996/07/02 14:33:10 jutta Exp jutta $*/
+
+#include <stdio.h>
+#include <assert.h>
+
+#include	"gsm.h"
+#include	"proto.h"
+
+char  * pname;
+
+int	debug      = 0;
+int	verbosity  = 0;
+int	fast       = 0;
+int	wav        = 0;
+int	error      = 0;
+
+usage P0()
+{
+	fprintf(stderr, "Usage: %s [-vwF] [files...]\n", pname);
+	exit(1);
+}
+
+void process P2((f, filename), FILE * f, char * filename)
+{
+	gsm_frame	buf;
+	gsm_signal	source[160];
+
+	int		cc;
+	gsm		r;
+
+	(void)memset(source, 0x00, sizeof(source));
+
+	if (!(r = gsm_create())) {
+		perror("gsm_create");
+		error = 1;
+		return ;
+	}
+	gsm_option(r, GSM_OPT_VERBOSE, &verbosity);
+	gsm_option(r, GSM_OPT_FAST,    &fast);
+	gsm_option(r, GSM_OPT_WAV49,   &wav);
+	for (;;) {
+		cc = fread((char *)source, sizeof(*source), 76, f);
+		if (cc == 0) {
+			gsm_destroy(r);
+			return;
+		}
+		if (cc != 76) {
+			error = 1;
+			fprintf(stderr,
+				"%s: %s -- %d trailing bytes ignored\n",
+				pname, filename, cc);
+			gsm_destroy(r);
+			return;
+		}
+
+		gsm_implode(r, source, buf);
+		gsm_decode(r, buf, source);
+
+		if (write(1, source, sizeof(source)) != sizeof(source)) {
+			perror("write");
+			error = 1;
+			gsm_destroy(r);
+			return;
+		}
+	}
+}
+
+main P2((ac, av), int ac, char ** av)
+{
+	int 		opt;
+	extern char   * optarg;
+	extern int	optind;
+
+	FILE		* f;
+
+	if (!(pname = av[0])) pname = "cod2out";
+
+	while ((opt = getopt(ac, av, "vwF")) != EOF) switch (opt) {
+	case 'v': verbosity++; 	  break;
+	case 'w': wav++; 	  break;
+	case 'F': fast++;	  break;
+	default:  usage();
+	}
+
+	ac -= optind;
+	av += optind;
+
+	if (!ac) process(stdin, "*stdin*");
+	else for (; *av; av++) {
+		if (!(f = fopen(*av, "r"))) perror(*av);
+		else {
+			process(f, *av);
+			fclose(f);
+		}
+	}
+
+	exit(error);
+}
diff --git a/jni/pjproject-android/third_party/gsm/tst/cod2txt.c b/jni/pjproject-android/third_party/gsm/tst/cod2txt.c
new file mode 100644
index 0000000..71c362e
--- /dev/null
+++ b/jni/pjproject-android/third_party/gsm/tst/cod2txt.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/cod2txt.c,v 1.1 1994/10/21 20:52:11 jutta Exp $*/
+
+#include <stdio.h>
+#include <assert.h>
+
+#include	"gsm.h"
+#include	"proto.h"
+
+char  * pname;
+
+int	debug      = 0;
+int	verbosity  = 0;
+int	error      = 0;
+
+usage P0()
+{
+	fprintf(stderr, "Usage: %s [files...]\n", pname);
+	exit(1);
+}
+
+void process P2((f, filename), FILE * f, char * filename)
+{
+	gsm_frame	buf;
+	gsm_signal	source[160];
+
+	int		cc;
+	gsm		r;
+	int		nr=0;
+
+	(void)memset(source, 0, sizeof(source));
+
+	if (!(r = gsm_create())) {
+		perror("gsm_create");
+		error = 1;
+		return ;
+	}
+	gsm_option(r, GSM_OPT_VERBOSE, &verbosity);
+	for (;;) {
+		cc = fread((char *)source, sizeof(*source), 76, f);
+		if (cc == 0) {
+			gsm_destroy(r);
+			return;
+		}
+		if (cc != 76) {
+			error = 1;
+			fprintf(stderr,
+				"%s: %s -- %d trailing bytes ignored\n",
+				pname, filename, cc);
+			gsm_destroy(r);
+			return;
+		}
+
+		gsm_implode(r, source, buf);
+		printf("[%d] ", ++nr);
+		if (gsm_print(stdout, r, buf)) {
+			fprintf(stderr,
+				"%s: %s: bad magic\n", pname, filename);
+			gsm_destroy(r);
+			return;
+
+		}
+	}
+}
+
+main P2((ac, av), int ac, char ** av)
+{
+	int 		opt;
+	extern char   * optarg;
+	extern int	optind;
+
+	FILE		* f;
+
+	if (!(pname = av[0])) pname = "cod2txt";
+
+	ac--;
+	av++;
+
+	if (!ac) process(stdin, "*stdin*");
+	else for (; *av; av++) {
+		if (!(f = fopen(*av, "r"))) perror(*av);
+		else {
+			process(f, *av);
+			fclose(f);
+		}
+	}
+
+	exit(error);
+}
diff --git a/jni/pjproject-android/third_party/gsm/tst/gsm2cod.c b/jni/pjproject-android/third_party/gsm/tst/gsm2cod.c
new file mode 100644
index 0000000..f2e7c2c
--- /dev/null
+++ b/jni/pjproject-android/third_party/gsm/tst/gsm2cod.c
@@ -0,0 +1,93 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/gsm2cod.c,v 1.1 1994/10/21 20:52:11 jutta Exp $*/
+
+#include <stdio.h>
+#include <assert.h>
+
+#include	"gsm.h"
+#include	"proto.h"
+
+char  * pname;
+
+int	debug      = 0;
+int	verbosity  = 0;
+int	error      = 0;
+
+usage P0()
+{
+	fprintf(stderr, "Usage: %s [files...]\n", pname);
+	exit(1);
+}
+
+void process P2((f, filename), FILE * f, char * filename)
+{
+	gsm_frame	buf;
+	gsm_signal	source[76];
+
+	int		cc;
+	gsm		r;
+	int		nr=0;
+
+	(void)memset(source, 0, sizeof(source));
+
+	if (!(r = gsm_create())) {
+		perror("gsm_create");
+		error = 1;
+		return ;
+	}
+	gsm_option(r, GSM_OPT_VERBOSE, &verbosity);
+	for (;;) {
+		cc = fread((char *)buf, sizeof(buf), 1, f);
+		if (cc == 0) {
+			gsm_destroy(r);
+			return;
+		}
+		if (cc != 1) {
+			error = 1;
+			fprintf(stderr,
+				"%s: %s -- trailing bytes ignored\n",
+				pname, filename);
+			gsm_destroy(r);
+			return;
+		}
+
+		gsm_explode(r, buf, source);
+		if (write(1, (char *)source, sizeof(source))!= sizeof(source)) {
+
+			perror("write");
+			error = 1;
+			gsm_destroy(r);
+			return;
+		}
+	}
+}
+
+main P2((ac, av), int ac, char ** av)
+{
+	int 		opt;
+	extern char   * optarg;
+	extern int	optind;
+
+	FILE		* f;
+
+	if (!(pname = av[0])) pname = "gsm2cod";
+
+	ac--;
+	av++;
+
+	if (!ac) process(stdin, "*stdin*");
+	else for (; *av; av++) {
+		if (!(f = fopen(*av, "r"))) perror(*av);
+		else {
+			process(f, *av);
+			fclose(f);
+		}
+	}
+
+	exit(error);
+}
diff --git a/jni/pjproject-android/third_party/gsm/tst/lin2cod.c b/jni/pjproject-android/third_party/gsm/tst/lin2cod.c
new file mode 100644
index 0000000..2c42b10
--- /dev/null
+++ b/jni/pjproject-android/third_party/gsm/tst/lin2cod.c
@@ -0,0 +1,105 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/lin2cod.c,v 1.2 1996/07/02 14:33:13 jutta Exp jutta $*/
+
+#include <stdio.h>
+
+#include "gsm.h"
+#include "proto.h"
+
+char  * pname;
+
+int	debug      = 0;
+int	verbosity  = 0;
+int	fast       = 0;
+int	wav        = 0;
+int	error      = 0;
+
+usage P0()
+{
+	fprintf(stderr, "Usage: %s [-vwF] [files...]\n", pname);
+	exit(1);
+}
+
+void process P2((f, filename), FILE * f, char * filename)
+{
+	gsm_frame	buf;
+	short		source[160];
+	int		cc;
+	gsm		r;
+
+	if (!(r = gsm_create())) {
+		perror("gsm_create");
+		error = 1;
+		return ;
+	}
+	gsm_option(r, GSM_OPT_VERBOSE, &verbosity);
+	gsm_option(r, GSM_OPT_FAST,    &fast);
+	gsm_option(r, GSM_OPT_WAV49,   &wav);
+	for (;;) {
+
+		if ((cc = fread((char *)source, 1, sizeof(source), f)) == 0) {
+			gsm_destroy(r);
+#ifdef	COUNT_OVERFLOW
+			dump_overflow(stderr);
+#endif
+			return;
+		}
+
+		if (cc != sizeof(source)) {
+			error = 1;
+			perror(filename);
+			fprintf(stderr, "%s: cannot read input from %s\n",
+				pname, filename);
+			gsm_destroy(r);
+			return;
+		}
+
+		gsm_encode(r, source, buf);
+		gsm_explode(r, buf, source);	/* 76 shorts */
+		if (write(1, source, sizeof(*source) * 76)
+			!= sizeof(*source) * 76) {
+
+			perror("write");
+			error = 1;
+			gsm_destroy(r);
+			return;
+		}
+	}
+}
+
+main P2((ac, av), int ac, char ** av)
+{
+	int 		opt;
+	extern char   * optarg;
+	extern int	optind;
+
+	FILE		* f;
+
+	if (!(pname = av[0])) pname = "inp2cod";
+
+	while ((opt = getopt(ac, av, "vwF")) != EOF) switch (opt) {
+	case 'v': verbosity++;    break;
+	case 'w': wav++;    	  break;
+	case 'F': fast++;         break;
+	default:  usage();
+	}
+
+	ac -= optind;
+	av += optind;
+
+	if (!ac) process(stdin, "*stdin*");
+	else for (; *av; av++) {
+		if (!(f = fopen(*av, "r"))) perror(*av);
+		else {
+			process(f, *av);
+			fclose(f);
+		}
+	}
+
+	exit(error);
+}
diff --git a/jni/pjproject-android/third_party/gsm/tst/lin2txt.c b/jni/pjproject-android/third_party/gsm/tst/lin2txt.c
new file mode 100644
index 0000000..fb39504
--- /dev/null
+++ b/jni/pjproject-android/third_party/gsm/tst/lin2txt.c
@@ -0,0 +1,94 @@
+/*
+ * Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+ * Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+ * details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+ */
+
+/*$Header: /tmp_amd/presto/export/kbs/jutta/src/gsm/RCS/lin2txt.c,v 1.1 1994/10/21 20:52:11 jutta Exp $*/
+
+#include <stdio.h>
+
+#include "gsm.h"
+#include "proto.h"
+
+char  * pname;
+
+int	debug      = 0;
+int	verbosity  = 0;
+int	error      = 0;
+
+usage P0()
+{
+	fprintf(stderr, "Usage: %s [-v] [files...]\n", pname);
+	exit(1);
+}
+
+void process P2((f, filename), FILE * f, char * filename)
+{
+	short		source[160];
+	int		cc, j, k;
+	gsm		r;
+
+	if (!(r = gsm_create())) {
+		perror("gsm_create");
+		error = 1;
+		return ;
+	}
+	gsm_option(r, GSM_OPT_VERBOSE, &verbosity);
+	for (;;) {
+
+		if ((cc = fread((char *)source, 1, sizeof(source), f)) == 0) {
+			gsm_destroy(r);
+#ifdef	COUNT_OVERFLOW
+			dump_overflow(stderr);
+#endif
+			return;
+		}
+		
+		printf("{\t");
+		for (j = 0; j < 4; j++) {
+			printf("{\t");
+			for (k = 0; k < 40; k++) {
+				printf("%d", (int)source[ j * 40 + k ]);
+				if (k < 39) {
+					printf(", ");
+					if (k % 4 == 3) printf("\n\t\t");
+				} else {
+					printf("\t}");
+					if (j == 3) printf("\t},\n");
+					else printf(",\n\t");
+				}
+			}
+		}
+	}
+}
+
+main P2((ac, av), int ac, char ** av)
+{
+	int 		opt;
+	extern char   * optarg;
+	extern int	optind;
+
+	FILE		* f;
+
+	if (!(pname = av[0])) pname = "inp2txt";
+
+	while ((opt = getopt(ac, av, "v")) != EOF) switch (opt) {
+	case 'v': verbosity++;    break;
+	default:  usage();
+	}
+
+	ac -= optind;
+	av += optind;
+
+	if (!ac) process(stdin, "*stdin*");
+	else for (; *av; av++) {
+		if (!(f = fopen(*av, "r"))) perror(*av);
+		else {
+			process(f, *av);
+			fclose(f);
+		}
+	}
+
+	exit(error);
+}
diff --git a/jni/pjproject-android/third_party/gsm/tst/run b/jni/pjproject-android/third_party/gsm/tst/run
new file mode 100644
index 0000000..5eec3b2
--- /dev/null
+++ b/jni/pjproject-android/third_party/gsm/tst/run
@@ -0,0 +1,34 @@
+:
+#
+# Copyright 1992 by Jutta Degener and Carsten Bormann, Technische
+# Universitaet Berlin.  See the accompanying file "COPYRIGHT" for
+# details.  THERE IS ABSOLUTELY NO WARRANTY FOR THIS SOFTWARE.
+#
+if [ ! -f 1.inp ] ; then
+	echo Sorry, but we cannot provide the test data with this release.
+	exit
+fi
+
+echo -n 'Linear to code: '
+for i in 1 2 3 4
+do 
+	echo -n $i..
+ 	./lin2cod  < $i.inp | cmp - $i.cod
+done
+echo ""
+
+echo -n 'Code to linear: '
+for i in 1 2 3 4
+do 
+	echo -n $i..
+	./cod2lin < $i.cod | cmp - $i.out
+done
+echo ""
+
+echo -n 'Toast: '
+for i in 1 2 3 4
+do
+	echo -n $i..
+	../bin/toast -l < $i.inp | ../bin/toast -dl | cmp - $i.out
+done
+echo ""