[Serusers] Here I go again...Call type processing Section problem?

[Juan]

Hi.
As I had no answers to this question, here it is again.
 
Till now I was happy using SER handling communications between UAs using
nathelper and RPT proxy.
Now I changed the ser.cfg script to the one with PSTN support and none of
the UAs get registered.
I am getting a 403 Forbidden.
Analyzing the script I understood that this 403 was coming from the Call
Type Processing Section so I changed 
if (!is_uri_host_local()) {
    if (is_from_local() || allow_trusted()) { and so on
to
if (uri!=myself)
and now the UAs are registering again.
But of course I can't make calls. 
So I would like to know how this< is_uri_host_local and is_from _local>
work and what should I do to make them allow my UAs to register.
I am attaching the ser.cfg that doesn't work.
Thanks in advance
 
Juan Ferrari
 
 
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20060130/7a0c053b/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: ser.cfg
Type: application/octet-stream
Size: 6513 bytes
Desc: not available
URL: <http://lists.sip-router.org/pipermail/sr-users/attachments/20060130/7a0c053b/attachment.obj>