diff --git a/include/asterisk/sorcery.h b/include/asterisk/sorcery.h
index d4d62bfdb616eda1153c50808f9a451d612aeea8..873d32251ad06cde89bc5b7cc5858532a90ba9cb 100644
--- a/include/asterisk/sorcery.h
+++ b/include/asterisk/sorcery.h
@@ -488,6 +488,8 @@ int ast_sorcery_object_fields_register(struct ast_sorcery *sorcery, const char *
  * \param multiple_handler A custom handler for translating the native representation of the fields
  * \param opt_type Option type
  * \param flags Option type specific flags
+ * \param no_doc Field should not be documented
+ * \param alias Interpret and apply field value only
  *
  * \retval 0 success
  * \retval -1 failure
@@ -495,7 +497,8 @@ int ast_sorcery_object_fields_register(struct ast_sorcery *sorcery, const char *
 int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char *type,
 	const char *name, const char *default_val, enum aco_option_type opt_type,
 	aco_option_handler config_handler, sorcery_field_handler sorcery_handler,
-	sorcery_fields_handler multiple_handler, unsigned int flags, unsigned int no_doc, size_t argc, ...);
+	sorcery_fields_handler multiple_handler, unsigned int flags, unsigned int no_doc,
+	unsigned int alias, size_t argc, ...);
 
 /*!
  * \brief Register a field within an object
@@ -511,7 +514,23 @@ int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char
  * \retval -1 failure
  */
 #define ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, flags, ...) \
-    __ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
+    __ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 0, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
+
+/*!
+ * \brief Register a field within an object as an alias
+ *
+ * \param sorcery Pointer to a sorcery structure
+ * \param type Type of object
+ * \param name Name of the field
+ * \param default_val Default value of the field
+ * \param opt_type Option type
+ * \param flags Option type specific flags
+ *
+ * \retval 0 success
+ * \retval -1 failure
+ */
+#define ast_sorcery_object_field_register_alias(sorcery, type, name, default_val, opt_type, flags, ...) \
+    __ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, flags, 1, 1, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
 
 /*!
  * \brief Register a field within an object without documentation
@@ -527,7 +546,7 @@ int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char
  * \retval -1 failure
  */
 #define ast_sorcery_object_field_register_nodoc(sorcery, type, name, default_val, opt_type, flags, ...) \
-    __ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 1, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
+    __ast_sorcery_object_field_register(sorcery, type, name, default_val, opt_type, NULL, NULL, NULL, flags, 1, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__)
 
 /*!
  * \brief Register a field within an object with custom handlers
@@ -545,7 +564,24 @@ int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char
  * \retval -1 failure
  */
 #define ast_sorcery_object_field_register_custom(sorcery, type, name, default_val, config_handler, sorcery_handler, multiple_handler, flags, ...) \
-    __ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, multiple_handler, flags, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
+    __ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, multiple_handler, flags, 0, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
+
+/*!
+ * \brief Register a field within an object with custom handlers as an alias
+ *
+ * \param sorcery Pointer to a sorcery structure
+ * \param type Type of object
+ * \param name Name of the field
+ * \param default_val Default value of the field
+ * \param config_handler Custom configuration handler
+ * \param sorcery_handler Custom sorcery handler
+ * \param flags Option type specific flags
+ *
+ * \retval 0 success
+ * \retval -1 failure
+ */
+#define ast_sorcery_object_field_register_custom_alias(sorcery, type, name, default_val, config_handler, sorcery_handler, flags, ...) \
+    __ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, flags, 1, 1, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
 
 /*!
  * \brief Register a field within an object with custom handlers without documentation
@@ -563,7 +599,7 @@ int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char
  * \retval -1 failure
  */
 #define ast_sorcery_object_field_register_custom_nodoc(sorcery, type, name, default_val, config_handler, sorcery_handler, multiple_handler, flags, ...) \
-    __ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, multiple_handler, flags, 1, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
+    __ast_sorcery_object_field_register(sorcery, type, name, default_val, OPT_CUSTOM_T, config_handler, sorcery_handler, flags, 1, 0, VA_NARGS(__VA_ARGS__), __VA_ARGS__);
 
 /*!
  * \brief Inform any wizards to load persistent objects
diff --git a/main/sorcery.c b/main/sorcery.c
index cb24cae30e7d0ce9c608f64fa2d76b9aaf436aae..1d0aec75741cace4b3c8e54cbab7767dcdde17b2 100644
--- a/main/sorcery.c
+++ b/main/sorcery.c
@@ -811,7 +811,7 @@ int ast_sorcery_object_fields_register(struct ast_sorcery *sorcery, const char *
 }
 
 int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char *type, const char *name, const char *default_val, enum aco_option_type opt_type,
-					aco_option_handler config_handler, sorcery_field_handler sorcery_handler, sorcery_fields_handler multiple_handler, unsigned int flags, unsigned int no_doc, size_t argc, ...)
+					aco_option_handler config_handler, sorcery_field_handler sorcery_handler, sorcery_fields_handler multiple_handler, unsigned int flags, unsigned int no_doc, unsigned int alias, size_t argc, ...)
 {
 	RAII_VAR(struct ast_sorcery_object_type *, object_type, ao2_find(sorcery->types, type, OBJ_KEY), ao2_cleanup);
 	RAII_VAR(struct ast_sorcery_object_field *, object_field, NULL, ao2_cleanup);
@@ -840,7 +840,9 @@ int __ast_sorcery_object_field_register(struct ast_sorcery *sorcery, const char
 	}
 	va_end(args);
 
-	ao2_link(object_type->fields, object_field);
+	if (!alias) {
+		ao2_link(object_type->fields, object_field);
+	}
 
 	/* TODO: Improve this hack */
 	if (!argc) {
diff --git a/res/res_pjsip/pjsip_configuration.c b/res/res_pjsip/pjsip_configuration.c
index 110be2906004f0a5a208ae20167220d7e73ee407..0aa63004bdb8d14ce33c411317b6101fbbcad2ae 100644
--- a/res/res_pjsip/pjsip_configuration.c
+++ b/res/res_pjsip/pjsip_configuration.c
@@ -1577,7 +1577,7 @@ int ast_res_pjsip_initialize_configuration(const struct ast_module_info *ast_mod
 
 	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "type", "", OPT_NOOP_T, 0, 0);
 	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "context", "default", OPT_STRINGFIELD_T, 0, STRFLDSET(struct ast_sip_endpoint, context));
-	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "disallow", "", OPT_CODEC_T, 0, FLDSET(struct ast_sip_endpoint, media.prefs, media.codecs));
+	ast_sorcery_object_field_register_alias(sip_sorcery, "endpoint", "disallow", "", OPT_CODEC_T, 0, FLDSET(struct ast_sip_endpoint, media.prefs, media.codecs));
 	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "allow", "", OPT_CODEC_T, 1, FLDSET(struct ast_sip_endpoint, media.prefs, media.codecs));
 	ast_sorcery_object_field_register_custom(sip_sorcery, "endpoint", "dtmf_mode", "rfc4733", dtmf_handler, dtmf_to_str, NULL, 0, 0);
 	ast_sorcery_object_field_register(sip_sorcery, "endpoint", "rtp_ipv6", "no", OPT_BOOL_T, 1, FLDSET(struct ast_sip_endpoint, media.rtp.ipv6));