modules: readme files regenerated - topos ... [skip ci]

src/modules/topos/README

@@ -98,17 +98,21 @@ Chapter 1. Admin Guide
 
 1. Overview
 
-   This module offers topology hiding by stripping the SIP routing headers
-   that show topology details. The script interpreter gets the SIP
-   messages with full content, so all existing functionality is preserved.
+   This module offers topology hiding for INVITE-based dialogs, by
+   stripping the SIP routing headers that show topology details . The
+   script interpreter gets the SIP messages with full content, so all
+   existing functionality is preserved.
 
    The module is transparent for the configuration writer. It only needs
-   to be loaded (tune the parameters if needed).
+   to be loaded (tune the module parameters if needed).
 
    It also works for SIP MESSAGE or other requests that do not create a
-   call dialog -- record_route() must be used for them as well, the
-   headers are not going to be in the messages sent to the network, they
-   are needed to know local addresses used to communicate with each side.
+   dialog -- record_route() must be used for them as well, the headers are
+   not going to be in the messages sent to the network, they are needed to
+   know local addresses used to communicate with each side. At this moment
+   it is not designed to work for presence (SUBSCRIBE-based) dialogs. The
+   REGISTER and PUBLISH requests are skipped from processing by this
+   module, expected to be terminated on a local SIP server.
 
 2. Dependencies