diff --git a/plugins/dummy/calls-dummy-origin.c b/plugins/dummy/calls-dummy-origin.c
index 25626d9..94a8ad9 100644
--- a/plugins/dummy/calls-dummy-origin.c
+++ b/plugins/dummy/calls-dummy-origin.c
@@ -50,6 +50,7 @@ G_DEFINE_TYPE_WITH_CODE (CallsDummyOrigin, calls_dummy_origin, G_TYPE_OBJECT,
 enum {
   PROP_0,
 
+  PROP_ID,
   /* Property for setting the origins name upon construction */
   PROP_DUMMY_NAME_CONSTRUCTOR,
 
@@ -182,6 +183,9 @@ set_property (GObject      *object,
     g_string_assign (self->name, g_value_get_string (value));
     break;
 
+  case PROP_ID: /* ignored for the dummy origin */
+    break;
+
   default:
     G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
     break;
@@ -198,6 +202,10 @@ get_property (GObject      *object,
   CallsDummyOrigin *self = CALLS_DUMMY_ORIGIN (object);
 
   switch (property_id) {
+  case PROP_ID:
+    g_value_set_string (value, self->name->str);
+    break;
+
   case PROP_NAME:
     g_value_set_string (value, self->name->str);
     break;
@@ -263,6 +271,7 @@ calls_dummy_origin_class_init (CallsDummyOriginClass *klass)
   g_object_class_override_property (object_class, ID, NAME);    \
   props[ID] = g_object_class_find_property(object_class, NAME);
 
+  IMPLEMENTS (PROP_ID, "id");
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
diff --git a/plugins/mm/calls-mm-origin.c b/plugins/mm/calls-mm-origin.c
index b588d4c..9ab09b8 100644
--- a/plugins/mm/calls-mm-origin.c
+++ b/plugins/mm/calls-mm-origin.c
@@ -49,7 +49,9 @@ struct _CallsMMOrigin
   char *last_ussd_response;
 
   gulong           ussd_handle_id;
-  gchar *name;
+
+  char *id;
+  char *name;
   GHashTable *calls;
   char *country_code;
 };
@@ -68,6 +70,7 @@ G_DEFINE_TYPE_WITH_CODE (CallsMMOrigin, calls_mm_origin, G_TYPE_OBJECT,
 
 enum {
   PROP_0,
+  PROP_ID,
   PROP_NAME,
   PROP_CALLS,
   PROP_MODEM,
@@ -640,6 +643,10 @@ set_property (GObject      *object,
   CallsMMOrigin *self = CALLS_MM_ORIGIN (object);
 
   switch (property_id) {
+  case PROP_ID:
+    self->id = g_value_dup_string (value);
+    break;
+
   case PROP_MODEM:
     g_set_object (&self->mm_obj, g_value_get_object(value));
     break;
@@ -660,6 +667,10 @@ get_property (GObject      *object,
   CallsMMOrigin *self = CALLS_MM_ORIGIN (object);
 
   switch (property_id) {
+  case PROP_ID:
+    g_value_set_string (value, self->id);
+    break;
+
   case PROP_NAME:
     g_value_set_string (value, self->name);
     break;
@@ -884,6 +895,7 @@ calls_mm_origin_class_init (CallsMMOriginClass *klass)
   g_object_class_override_property (object_class, ID, NAME);    \
   props[ID] = g_object_class_find_property(object_class, NAME);
 
+  IMPLEMENTS (PROP_ID, "id");
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
@@ -928,10 +940,12 @@ calls_mm_origin_init (CallsMMOrigin *self)
 }
 
 CallsMMOrigin *
-calls_mm_origin_new (MMObject *mm_obj)
+calls_mm_origin_new (MMObject   *mm_obj,
+                     const char *id)
 {
   return g_object_new (CALLS_TYPE_MM_ORIGIN,
                        "mm-object", mm_obj,
+                       "id", id,
                        NULL);
 }
 
diff --git a/plugins/mm/calls-mm-origin.h b/plugins/mm/calls-mm-origin.h
index 527ff88..8c60142 100644
--- a/plugins/mm/calls-mm-origin.h
+++ b/plugins/mm/calls-mm-origin.h
@@ -34,7 +34,8 @@ G_BEGIN_DECLS
 
 G_DECLARE_FINAL_TYPE (CallsMMOrigin, calls_mm_origin, CALLS, MM_ORIGIN, GObject);
 
-CallsMMOrigin *calls_mm_origin_new (MMObject *modem);
+CallsMMOrigin *calls_mm_origin_new (MMObject   *modem,
+                                    const char *id);
 gboolean       calls_mm_origin_matches (CallsMMOrigin *self,
                                         MMObject      *modem);
 
diff --git a/plugins/mm/calls-mm-provider.c b/plugins/mm/calls-mm-provider.c
index 978b938..1975bf5 100644
--- a/plugins/mm/calls-mm-provider.c
+++ b/plugins/mm/calls-mm-provider.c
@@ -130,7 +130,9 @@ add_origin (CallsMMProvider *self,
 {
   MMObject *mm_obj;
   g_autoptr (CallsMMOrigin) origin = NULL;
+  g_autoptr (MMModem3gpp) modem_3gpp = NULL;
   const gchar *path;
+  g_autofree char *imei = NULL;
 
   mm_obj = MM_OBJECT (object);
   path = g_dbus_object_get_object_path (object);
@@ -146,7 +148,10 @@ add_origin (CallsMMProvider *self,
 
   g_assert (MM_IS_OBJECT (object));
 
-  origin = calls_mm_origin_new (mm_obj);
+  modem_3gpp = mm_object_get_modem_3gpp (mm_obj);
+
+  origin = calls_mm_origin_new (mm_obj,
+                                mm_modem_3gpp_get_imei (modem_3gpp));
   g_list_store_append (self->origins, origin);
 
   update_status (self);
diff --git a/plugins/ofono/calls-ofono-origin.c b/plugins/ofono/calls-ofono-origin.c
index a97cfff..49d8948 100644
--- a/plugins/ofono/calls-ofono-origin.c
+++ b/plugins/ofono/calls-ofono-origin.c
@@ -55,6 +55,7 @@ G_DEFINE_TYPE_WITH_CODE (CallsOfonoOrigin, calls_ofono_origin, G_TYPE_OBJECT,
 
 enum {
   PROP_0,
+  PROP_ID,
   PROP_NAME,
   PROP_CALLS,
   PROP_MODEM,
@@ -143,6 +144,10 @@ set_property (GObject      *object,
   CallsOfonoOrigin *self = CALLS_OFONO_ORIGIN (object);
 
   switch (property_id) {
+  case PROP_ID:
+    /* we're using a hardcoded value, so let's ignore it */
+    break;
+
   case PROP_MODEM:
     g_set_object
       (&self->modem, GDBO_MODEM (g_value_get_object (value)));
@@ -164,6 +169,10 @@ get_property (GObject      *object,
   CallsOfonoOrigin *self = CALLS_OFONO_ORIGIN (object);
 
   switch (property_id) {
+  case PROP_ID:
+    g_value_set_string (value, "ofono");
+    break;
+
   case PROP_NAME:
     g_value_set_string (value, self->name);
     break;
@@ -569,6 +578,7 @@ calls_ofono_origin_class_init (CallsOfonoOriginClass *klass)
   g_object_class_override_property (object_class, ID, NAME);    \
   props[ID] = g_object_class_find_property(object_class, NAME);
 
+  IMPLEMENTS (PROP_NAME, "id");
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
diff --git a/plugins/sip/calls-sip-account-widget.c b/plugins/sip/calls-sip-account-widget.c
index 61586bf..9219466 100644
--- a/plugins/sip/calls-sip-account-widget.c
+++ b/plugins/sip/calls-sip-account-widget.c
@@ -359,10 +359,12 @@ static void
 on_login_clicked (CallsSipAccountWidget *self)
 {
   CallsSipOrigin *origin;
+  g_autofree char *id = g_uuid_string_random ();
 
   g_debug ("Logging into newly created account");
 
   origin = calls_sip_provider_add_origin (self->provider,
+                                          id,
                                           gtk_entry_get_text (GTK_ENTRY (self->host)),
                                           gtk_entry_get_text (GTK_ENTRY (self->user)),
                                           gtk_entry_get_text (GTK_ENTRY (self->password)),
diff --git a/plugins/sip/calls-sip-origin.c b/plugins/sip/calls-sip-origin.c
index 5aa5b8b..59d31a0 100644
--- a/plugins/sip/calls-sip-origin.c
+++ b/plugins/sip/calls-sip-origin.c
@@ -60,6 +60,7 @@
 enum {
   PROP_0,
   PROP_NAME,
+  PROP_ID,
   PROP_ACC_HOST,
   PROP_ACC_USER,
   PROP_ACC_PASSWORD,
@@ -118,6 +119,7 @@ struct _CallsSipOrigin
   const char *protocol_prefix;
   char *address;
   char *name;
+  char *id;
 
   GList *calls;
   GHashTable *call_handles;
@@ -1188,6 +1190,10 @@ calls_sip_origin_set_property (GObject      *object,
   CallsSipOrigin *self = CALLS_SIP_ORIGIN (object);
 
   switch (property_id) {
+  case PROP_ID: /* contruct only */
+    self->id = g_value_dup_string (value);
+    break;
+
   case PROP_ACC_HOST:
     g_free (self->host);
     self->host = g_value_dup_string (value);
@@ -1263,6 +1269,11 @@ calls_sip_origin_get_property (GObject      *object,
   case PROP_NAME:
     g_value_set_string (value, self->name);
     break;
+
+  case PROP_ID:
+    g_value_set_string (value, self->id);
+    break;
+
   case PROP_ACC_HOST:
     g_value_set_string (value, self->host);
     break;
@@ -1359,6 +1370,7 @@ calls_sip_origin_dispose (GObject *object)
 {
   CallsSipOrigin *self = CALLS_SIP_ORIGIN (object);
 
+  g_clear_pointer (&self->id, g_free);
   g_clear_pointer (&self->own_ip, g_free);
   g_clear_pointer (&self->transport_protocol, g_free);
   g_clear_pointer (&self->display_name, g_free);
@@ -1495,6 +1507,7 @@ calls_sip_origin_class_init (CallsSipOriginClass *klass)
   g_object_class_override_property (object_class, ID, NAME);    \
   props[ID] = g_object_class_find_property(object_class, NAME);
 
+  IMPLEMENTS (PROP_ID, "id");
   IMPLEMENTS (PROP_NAME, "name");
   IMPLEMENTS (PROP_CALLS, "calls");
   IMPLEMENTS (PROP_COUNTRY_CODE, "country-code");
diff --git a/plugins/sip/calls-sip-provider.c b/plugins/sip/calls-sip-provider.c
index 316e3ca..8a03b64 100644
--- a/plugins/sip/calls-sip-provider.c
+++ b/plugins/sip/calls-sip-provider.c
@@ -116,6 +116,7 @@ on_origin_pw_looked_up (GObject      *source,
 {
   SipOriginLoadData *data;
   g_autoptr (GError) error = NULL;
+  g_autofree char *id = NULL;
   g_autofree char *name = NULL;
   g_autofree char *host = NULL;
   g_autofree char *user = NULL;
@@ -132,6 +133,11 @@ on_origin_pw_looked_up (GObject      *source,
 
   data = user_data;
 
+  if (g_key_file_has_key (data->key_file, data->name, "Id", NULL))
+    id = g_key_file_get_string (data->key_file, data->name, "Id", NULL);
+  else
+    id = g_strdup (data->name);
+
   host = g_key_file_get_string (data->key_file, data->name, "Host", NULL);
   user = g_key_file_get_string (data->key_file, data->name, "User", NULL);
   display_name = g_key_file_get_string (data->key_file, data->name, "DisplayName", NULL);
@@ -172,6 +178,7 @@ on_origin_pw_looked_up (GObject      *source,
 #undef IS_NULL_OR_EMPTY
 
   calls_sip_provider_add_origin_full (data->provider,
+                                      id,
                                       host,
                                       user,
                                       password,
@@ -273,6 +280,7 @@ origin_to_keyfile (CallsSipOrigin *origin,
                    GKeyFile       *key_file,
                    const char     *name)
 {
+  g_autofree char *id = NULL;
   g_autofree char *host = NULL;
   g_autofree char *user = NULL;
   g_autofree char *password = NULL;
@@ -289,6 +297,7 @@ origin_to_keyfile (CallsSipOrigin *origin,
   g_assert (key_file);
 
   g_object_get (origin,
+                "id", &id,
                 "host", &host,
                 "user", &user,
                 "password", &password,
@@ -301,6 +310,7 @@ origin_to_keyfile (CallsSipOrigin *origin,
                 "can-tel", &can_tel,
                 NULL);
 
+  g_key_file_set_string (key_file, name, "Id", id);
   g_key_file_set_string (key_file, name, "Host", host);
   g_key_file_set_string (key_file, name, "User", user);
   g_key_file_set_string (key_file, name, "DisplayName", display_name ?: "");
@@ -311,8 +321,7 @@ origin_to_keyfile (CallsSipOrigin *origin,
   g_key_file_set_integer (key_file, name, "LocalPort", local_port);
   g_key_file_set_boolean (key_file, name, "CanTel", can_tel);
 
-  label_secret = g_strdup_printf ("Calls Password for %s",
-                                  calls_account_get_address (CALLS_ACCOUNT (origin)));
+  label_secret = g_strdup_printf ("Calls Password for %s", id);
 
   /* save to keyring */
   secret_password_store (calls_secret_get_schema (), NULL, label_secret, password,
@@ -632,6 +641,7 @@ calls_sip_provider_init (CallsSipProvider *self)
 /**
  * calls_sip_provider_add_origin:
  * @self: A #CallsSipProvider
+ * @id: The id of the new origin (should be unique)
  * @host: The host to connect to
  * @user: The username to use
  * @password: The password to use
@@ -645,6 +655,7 @@ calls_sip_provider_init (CallsSipProvider *self)
  */
 CallsSipOrigin *
 calls_sip_provider_add_origin (CallsSipProvider *self,
+                               const char       *id,
                                const char       *host,
                                const char       *user,
                                const char       *password,
@@ -654,6 +665,7 @@ calls_sip_provider_add_origin (CallsSipProvider *self,
                                gboolean          store_credentials)
 {
   return calls_sip_provider_add_origin_full (self,
+                                             id,
                                              host,
                                              user,
                                              password,
@@ -670,6 +682,7 @@ calls_sip_provider_add_origin (CallsSipProvider *self,
 /**
  * calls_sip_provider_add_origin_full:
  * @self: A #CallsSipProvider
+ * @id: The id of the new origin (should be unique)
  * @host: The host to connect to
  * @user: The username to use
  * @password: The password to use
@@ -688,6 +701,7 @@ calls_sip_provider_add_origin (CallsSipProvider *self,
  */
 CallsSipOrigin *
 calls_sip_provider_add_origin_full (CallsSipProvider *self,
+                                    const char       *id,
                                     const char       *host,
                                     const char       *user,
                                     const char       *password,
@@ -704,6 +718,7 @@ calls_sip_provider_add_origin_full (CallsSipProvider *self,
   g_autofree char *protocol = NULL;
 
   g_return_val_if_fail (CALLS_IS_SIP_PROVIDER (self), NULL);
+  g_return_val_if_fail (id || *id, NULL);
 
   /* direct-mode is mostly useful for testing without a SIP server */
   if (!direct_mode) {
@@ -719,6 +734,7 @@ calls_sip_provider_add_origin_full (CallsSipProvider *self,
   }
 
   origin = g_object_new (CALLS_TYPE_SIP_ORIGIN,
+                         "id", id,
                          "sip-context", self->ctx,
                          "host", host,
                          "user", user,
diff --git a/plugins/sip/calls-sip-provider.h b/plugins/sip/calls-sip-provider.h
index fb0c4cd..0d16d61 100644
--- a/plugins/sip/calls-sip-provider.h
+++ b/plugins/sip/calls-sip-provider.h
@@ -38,6 +38,7 @@ G_DECLARE_FINAL_TYPE (CallsSipProvider, calls_sip_provider, CALLS, SIP_PROVIDER,
 
 CallsSipProvider *calls_sip_provider_new                    (void);
 CallsSipOrigin   *calls_sip_provider_add_origin             (CallsSipProvider *self,
+                                                             const char       *id,
                                                              const char       *host,
                                                              const char       *user,
                                                              const char       *password,
@@ -46,6 +47,7 @@ CallsSipOrigin   *calls_sip_provider_add_origin             (CallsSipProvider *s
                                                              gint              port,
                                                              gboolean          store_credentials);
 CallsSipOrigin   *calls_sip_provider_add_origin_full        (CallsSipProvider *self,
+                                                             const char       *id,
                                                              const char       *host,
                                                              const char       *user,
                                                              const char       *password,
diff --git a/src/calls-origin.c b/src/calls-origin.c
index a383492..ec850fc 100644
--- a/src/calls-origin.c
+++ b/src/calls-origin.c
@@ -70,6 +70,14 @@ calls_origin_default_init (CallsOriginInterface *iface)
                          NULL,
                          G_PARAM_READABLE));
 
+  g_object_interface_install_property (
+    iface,
+    g_param_spec_string ("id",
+                         "ID",
+                         "ID of the origin",
+                         NULL,
+                         G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY));
+
   signals[SIGNAL_CALL_ADDED] =
     g_signal_newv ("call-added",
 		   G_TYPE_FROM_INTERFACE (iface),
@@ -101,6 +109,17 @@ calls_origin_default_init (CallsOriginInterface *iface)
  */
 DEFINE_ORIGIN_GETTER(name, char *, NULL);
 
+/**
+ * calls_origin_get_id:
+ * @self: a #CallsOrigin
+ *
+ * Get the id of the origin.
+ *
+ * Returns (transfer full): A string containing the id.  The string must be freed by
+ * the caller.
+ */
+DEFINE_ORIGIN_GETTER(id, char *, NULL);
+
 /**
  * calls_origin_get_calls:
  * @self: a #CallsOrigin
diff --git a/src/calls-origin.h b/src/calls-origin.h
index d237fd3..e90246f 100644
--- a/src/calls-origin.h
+++ b/src/calls-origin.h
@@ -51,6 +51,7 @@ struct _CallsOriginInterface
 typedef void (*CallsOriginForeachCallFunc) (gpointer param, CallsCall* call, CallsOrigin* origin);
 
 char *                 calls_origin_get_name                (CallsOrigin *self);
+char *                 calls_origin_get_id                  (CallsOrigin *self);
 GList *                calls_origin_get_calls               (CallsOrigin *self);
 void                   calls_origin_foreach_call            (CallsOrigin *self,
                                                              CallsOriginForeachCallFunc callback,
diff --git a/tests/test-sip.c b/tests/test-sip.c
index 257eaad..bbbe880 100644
--- a/tests/test-sip.c
+++ b/tests/test-sip.c
@@ -364,6 +364,7 @@ setup_sip_origins (SipFixture   *fixture,
 
   fixture->origin_alice =
     calls_sip_provider_add_origin_full (fixture->provider,
+                                        "sip1",
                                         NULL,
                                         "alice",
                                         NULL,
@@ -378,6 +379,7 @@ setup_sip_origins (SipFixture   *fixture,
 
   fixture->origin_bob =
     calls_sip_provider_add_origin_full (fixture->provider,
+                                        "sip2",
                                         NULL,
                                         "bob",
                                         NULL,
@@ -392,6 +394,7 @@ setup_sip_origins (SipFixture   *fixture,
 
   fixture->origin_offline =
     calls_sip_provider_add_origin_full (fixture->provider,
+                                        "sip3",
                                         "sip.imaginary-host.org",
                                         "username",
                                         "password",