diff --git a/pipewire-pulseaudio/src/ext-device-manager.c b/pipewire-pulseaudio/src/ext-device-manager.c
index 480afb308..942d627af 100644
--- a/pipewire-pulseaudio/src/ext-device-manager.c
+++ b/pipewire-pulseaudio/src/ext-device-manager.c
@@ -25,6 +25,22 @@
 
 #include "internal.h"
 
+struct ext_data {
+	pa_context *context;
+	pa_ext_device_manager_test_cb_t test_cb;
+	pa_ext_device_manager_read_cb_t read_cb;
+        pa_context_success_cb_t success_cb;
+	int error;
+	void *userdata;
+};
+
+static void device_test(pa_operation *o, void *userdata)
+{
+	struct ext_data *d = userdata;
+	if (d->test_cb)
+		d->test_cb(o->context, PA_INVALID_INDEX, d->userdata);
+	pa_operation_done(o);
+}
 
 SPA_EXPORT
 pa_operation *pa_ext_device_manager_test(
@@ -32,8 +48,31 @@ pa_operation *pa_ext_device_manager_test(
         pa_ext_device_manager_test_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, device_test, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->test_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
+}
+
+static void device_read(pa_operation *o, void *userdata)
+{
+	struct ext_data *d = userdata;
+	if (d->read_cb)
+		d->read_cb(o->context, NULL, 1, d->userdata);
+	pa_operation_done(o);
 }
 
 SPA_EXPORT
@@ -42,8 +81,31 @@ pa_operation *pa_ext_device_manager_read(
         pa_ext_device_manager_read_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, device_read, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->read_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
+}
+
+static void on_success(pa_operation *o, void *userdata)
+{
+	struct ext_data *d = userdata;
+	if (d->success_cb)
+		d->success_cb(o->context, d->error, d->userdata);
+	pa_operation_done(o);
 }
 
 SPA_EXPORT
@@ -54,8 +116,23 @@ pa_operation *pa_ext_device_manager_set_device_description(
         pa_context_success_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, on_success, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->success_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
 }
 
 SPA_EXPORT
@@ -65,8 +142,23 @@ pa_operation *pa_ext_device_manager_delete(
         pa_context_success_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, on_success, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->success_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
 }
 
 SPA_EXPORT
@@ -76,8 +168,23 @@ pa_operation *pa_ext_device_manager_enable_role_device_priority_routing(
         pa_context_success_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, on_success, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->success_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
 }
 
 SPA_EXPORT
@@ -88,8 +195,23 @@ pa_operation *pa_ext_device_manager_reorder_devices_for_role(
         pa_context_success_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, on_success, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->success_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
 }
 
 SPA_EXPORT
@@ -99,8 +221,23 @@ pa_operation *pa_ext_device_manager_subscribe(
         pa_context_success_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
-	return NULL;
+	pa_operation *o;
+	struct ext_data *d;
+
+	pa_assert(c);
+	pa_assert(c->refcount >= 1);
+
+	PA_CHECK_VALIDITY_RETURN_NULL(c, c->state == PA_CONTEXT_READY, PA_ERR_BADSTATE);
+
+	o = pa_operation_new(c, NULL, on_success, sizeof(struct ext_data));
+	d = o->userdata;
+	d->context = c;
+	d->success_cb = cb;
+	d->userdata = userdata;
+	d->error = PA_ERR_NOTIMPLEMENTED;
+	pa_operation_sync(o);
+
+	return o;
 }
 
 SPA_EXPORT
@@ -109,5 +246,4 @@ void pa_ext_device_manager_set_subscribe_cb(
         pa_ext_device_manager_subscribe_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
 }
diff --git a/pipewire-pulseaudio/src/ext-device-restore.c b/pipewire-pulseaudio/src/ext-device-restore.c
index a2c0e686a..e4b8989fb 100644
--- a/pipewire-pulseaudio/src/ext-device-restore.c
+++ b/pipewire-pulseaudio/src/ext-device-restore.c
@@ -37,7 +37,7 @@ static void restore_test(pa_operation *o, void *userdata)
 {
 	struct ext_data *d = userdata;
 	if (d->test_cb)
-		d->test_cb(o->context, EXT_VERSION, d->userdata);
+		d->test_cb(o->context, PA_INVALID_INDEX, d->userdata);
 	pa_operation_done(o);
 }
 
@@ -104,7 +104,6 @@ void pa_ext_device_restore_set_subscribe_cb(
         pa_ext_device_restore_subscribe_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
 }
 
 static void read_formats(pa_operation *o, void *userdata)
diff --git a/pipewire-pulseaudio/src/ext-stream-restore.c b/pipewire-pulseaudio/src/ext-stream-restore.c
index e5c977518..bc4001506 100644
--- a/pipewire-pulseaudio/src/ext-stream-restore.c
+++ b/pipewire-pulseaudio/src/ext-stream-restore.c
@@ -23,8 +23,6 @@
 
 #include "internal.h"
 
-#define EXT_VERSION	1
-
 struct stream_data {
 	pa_context *context;
 	pa_ext_stream_restore_test_cb_t test_cb;
@@ -38,7 +36,7 @@ static void restore_test(pa_operation *o, void *userdata)
 	struct stream_data *d = userdata;
 
 	if (d->test_cb)
-		d->test_cb(o->context, EXT_VERSION, d->userdata);
+		d->test_cb(o->context, PA_INVALID_INDEX, d->userdata);
 
 	pa_operation_done(o);
 }
@@ -197,5 +195,4 @@ void pa_ext_stream_restore_set_subscribe_cb(
         pa_ext_stream_restore_subscribe_cb_t cb,
         void *userdata)
 {
-	pw_log_warn("Not Implemented");
 }
diff --git a/pipewire-pulseaudio/src/introspect.c b/pipewire-pulseaudio/src/introspect.c
index 239052e4f..6e2469aaa 100644
--- a/pipewire-pulseaudio/src/introspect.c
+++ b/pipewire-pulseaudio/src/introspect.c
@@ -619,7 +619,6 @@ pa_operation* pa_context_suspend_sink_by_name(pa_context *c, const char *sink_na
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -636,7 +635,6 @@ pa_operation* pa_context_suspend_sink_by_index(pa_context *c, uint32_t idx, int
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -1151,7 +1149,6 @@ pa_operation* pa_context_suspend_source_by_name(pa_context *c, const char *sourc
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -1168,7 +1165,6 @@ pa_operation* pa_context_suspend_source_by_index(pa_context *c, uint32_t idx, in
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -1425,7 +1421,6 @@ pa_operation* pa_context_load_module(pa_context *c, const char*name, const char
 	d->idx = PA_INVALID_INDEX;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -1442,7 +1437,6 @@ pa_operation* pa_context_unload_module(pa_context *c, uint32_t idx, pa_context_s
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -1834,7 +1828,6 @@ pa_operation* pa_context_set_port_latency_offset(pa_context *c, const char *card
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -2552,7 +2545,6 @@ pa_operation* pa_context_stat(pa_context *c, pa_stat_info_cb_t cb, void *userdat
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -2587,7 +2579,6 @@ pa_operation* pa_context_get_sample_info_by_name(pa_context *c, const char *name
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -2604,7 +2595,6 @@ pa_operation* pa_context_get_sample_info_by_index(pa_context *c, uint32_t idx, p
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }
 
@@ -2633,7 +2623,6 @@ pa_operation* pa_context_get_sample_info_list(pa_context *c, pa_sample_info_cb_t
 	d->userdata = userdata;
 	pa_operation_sync(o);
 
-	pw_log_warn("Not Implemented");
 	return o;
 }