diff --git a/debian/patches/series b/debian/patches/series
index 1a908ddf7..beffe8fc6 100644
--- a/debian/patches/series
+++ b/debian/patches/series
@@ -50,6 +50,7 @@ sipwise/dlg_get_var_error_more_verbose_on_dlg
 sipwise/db_redis_protect_length_overflow.patch
 sipwise/db_redis_support_null_key_values.patch
 sipwise/permissions_consider_db_mode_when_rpc_reload.patch
+sipwise/siputils_tel2sip_check_uri.patch
 
 ### Don't just put stuff in any order
 ### use gbp pq import/export tooling to help maintain patches
diff --git a/debian/patches/sipwise/siputils_tel2sip_check_uri.patch b/debian/patches/sipwise/siputils_tel2sip_check_uri.patch
new file mode 100644
index 000000000..5c0ba64a8
--- /dev/null
+++ b/debian/patches/sipwise/siputils_tel2sip_check_uri.patch
@@ -0,0 +1,42 @@
+--- a/src/modules/siputils/checks.c
++++ b/src/modules/siputils/checks.c
+@@ -645,6 +645,7 @@ int tel2sip(struct sip_msg *_msg, char *
+ 	int i, j, in_tel_parameters = 0;
+ 	pv_spec_t *res;
+ 	pv_value_t res_val;
++	struct sip_uri parsed_check;
+ 
+ 	/* get parameters */
+ 	if(get_str_fparam(&uri, _msg, (fparam_t *)_uri) < 0) {
+@@ -709,6 +710,11 @@ int tel2sip(struct sip_msg *_msg, char *
+ 	/* tel_uri is not needed anymore */
+ 	pkg_free(tel_uri.s);
+ 
++	if(parse_uri(sip_uri.s, sip_uri.len, &parsed_check) < 0) {
++		pkg_free(sip_uri.s);
++		return -1;
++	}
++
+ 	/* set result pv value and write sip uri to result pv */
+ 	res_val.rs = sip_uri;
+ 	res_val.flags = PV_VAL_STR;
+@@ -823,6 +829,7 @@ int tel2sip2(struct sip_msg *_msg, char
+ 	pv_value_t res_val;
+ 	char *tmp_ptr = NULL;
+ 	tel_param_t params[MAX_TEL_PARAMS];
++	struct sip_uri parsed_check;
+ 
+ 	/* get parameters */
+ 	if(get_str_fparam(&uri, _msg, (fparam_t *)_uri) < 0) {
+@@ -935,6 +942,11 @@ int tel2sip2(struct sip_msg *_msg, char
+ 	/* tel_uri is not needed anymore */
+ 	pkg_free(tel_uri.s);
+ 
++	if(parse_uri(sip_uri.s, sip_uri.len, &parsed_check) < 0) {
++		pkg_free(sip_uri.s);
++		return -1;
++	}
++
+ 	sip_uri.len = strlen(sip_uri.s);
+ 
+ 	/* set result pv value and write sip uri to result pv */