Hi Brett,
The common practice is to use the alias module for inbound routing.
You can look at the docs for its usage, but essentially you can map
DID's to local users.
On 9/14/10 3:18 AM, Brett Woollum wrote:
Hello!
I have an OpenSIPS 1.6.3 installation that is working well. I have
subscribers registering to OpenSIPS, and they can dial between each
other and outside of my domain (to my media servers and to the PSTN).
All is well.
I am now beginning to write the configuration that will process
inbound calls - meaning calls from non-subscribers. This will include
calls from the PSTN gateway, as well as direct SIP URI calls to the
OpenSIPS subscribers. For example, a person can call 515-555-1212 from
a regular phone, and the call will come to OpenSIPS as an
un-authenticated call from my PSTN gateway. Also, I'd like to accept
SIP URI's for incoming calls. For example, calling
[email protected] from a soft phone might route the call to
subscriber A's phone.
The code I have that applies to this is: (This is currently configured
to authenticate all outbound calls from subscribers only.)
# authenticate if from local subscriber
if (!(method=="REGISTER")) {
if (!proxy_authorize("", "subscriber")) {
proxy_challenge("", "0");
exit;
}
if (!db_check_from()) {
send_reply("403","Forbidden auth ID");
exit;
}
consume_credentials();
# caller authenticated
}
I am looking for direction on how to expand this to determine if the
call is A) from a subscriber calling outbound, B) inbound from the
PSTN, or C) inbound from any other user calling my SIP URI's. Once I
am able to determine this information, I'll be able to route the call
appropriately within the rest of my scripts.
My problem is that my SIP phones usually attempt to place calls
without including authorization in the header (because they are
registered already), then OpenSIPS replies requiring proxy
authentication. The SIP phones will then try the call again including
the credentials in the header, which works. How can I re-write this
section of code to allow inbound SIP URI calls and calls from my PSTN
gateway, while still asking my subscribers to authenticate? Or, is
there a method that might work better?
Notes:
- Each of my PSTN gateway's has a static IP.
- It's safe to assume a single-domain setup (mysipdomain.com).
Thanks in advance!
Brett Woollum
[email protected]
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