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

src/modules/nathelper/README

@@ -525,16 +525,19 @@ if (search("User-Agent: Cisco ATA.*") {fix_nated_contact();};
      * flags - the value may be a bitwise OR of the following flags:
           + 0x01 - adds “a=direction:active” SDP line;
           + 0x02 - rewrite media IP address (c=) with source address of
-            the message or the provided IP address (the provide IP address
-            take precedence over the source address).
+            the message or the provided IP address. (a=rtpc) param will be
+            rewritten if exists. (the provided IP address take precedence
+            over the source address).
           + 0x04 - adds “a=nortpproxy:yes” SDP line;
           + 0x08 - rewrite IP from origin description (o=) with source
-            address of the message or the provided IP address (the provide
-            IP address take precedence over the source address).
+            address of the message or the provided IP address. (a=rtpc)
+            param will be rewritten if exists. (the provided IP address
+            take precedence over the source address).
      * ip_address - IP to be used for rewriting SDP. If not specified, the
        received signalling IP will be used. The parameter allows
        pseudo-variables usage. NOTE: For the IP to be used, you need to
-       use 0x02 or 0x08 flags, otherwise it will have no effect.
+       use 0x02 or 0x08 flags, otherwise it will have no effect. Must be
+       IPv4 address family.
 
    This function can be used from REQUEST_ROUTE, ONREPLY_ROUTE,
    FAILURE_ROUTE, BRANCH_ROUTE.