[IMP] VoIP: Update settings menu images

closes odoo/documentation#11404

Signed-off-by: Samuel Lieber (sali) <sali@odoo.com>

content/applications/productivity/voip/axivox/axivox_config.rst

@@ -6,7 +6,7 @@ Introduction
 ============
 
 Odoo VoIP (Voice over Internet Protocol) can be set up to work together with `Axivox
-<https://www.axivox.com/>`_. In that case, an Asterisk server is **not** necessary, as the
+<https://www.axivox.com/>`_. In that case, a VoIP server is **not** necessary, as the
 infrastructure is hosted and managed by Axivox.
 
 To use this service, `contact Axivox <https://www.axivox.com/en/contact>`_ to open an account.
@@ -20,7 +20,7 @@ To configure Axivox in Odoo, go to the :menuselection:`Apps` application, and se
 Then, install the :guilabel:`VoIP` module.
 
 Next, go to :menuselection:`Settings app --> General Settings --> Integrations section`, and fill
-out the :guilabel:`Asterisk (VoIP)` field:
+out the :guilabel:`VoIP` field:
 
 - :guilabel:`OnSIP Domain`: set the domain created by Axivox for the account (e.g.,
   `yourcompany.axivox.com`)

content/applications/productivity/voip/onsip.rst

@@ -46,15 +46,15 @@ Odoo VoIP setting
 -----------------
 
 After installing the *VOIP OnSIP* module, go to the :menuselection:`Settings app`, scroll down to
-the :guilabel:`Integrations` section, and locate the :guilabel:`Asterisk (VoIP)` fields. Then,
-proceed to fill in those three fields with the following information:
+the :guilabel:`Integrations` section, and locate the :guilabel:`VoIP` fields. Then, proceed to fill
+in those three fields with the following information:
 
 - :guilabel:`OnSIP Domain`: the domain that was assigned when creating an account on `OnSIP
   <https://www.onsip.com/>`_.
 - :guilabel:`WebSocket`: `wss://edge.sip.onsip.com`
 - :guilabel:`VoIP Environment`: :guilabel:`Production`
 
-.. image:: onsip/asterisk-setting.png
+.. image:: onsip/voip-setting.png
    :align: center
    :alt: VoIP configuration settings in Odoo Settings app.