[Serusers] username numeric routing

[Klaus Darilion]

make a dialing plan, e.g.

if USER == number {
   if user start with 0 {
     #PSTN call
     route to gateway
   } else {
     #IP call
     lookup("location")
     ...
   }
}

klaus

Harold Workman wrote:
> Just a quick question....I am using numerics as the username (ex. 111000001)
> of
> my hosts.  I am able to make pstn calls through my pstn gateway.  My
> question is how
> do i configure the routing request lock to allow ip to ip calls between two
> hosts.  if i
> dial 111000002 it routes the call to the pstn instead of to the other host.
> 
> 
> 
> here is my config so far.
> 
> 
> # -------------------------  request routing logic -------------------
> route{
> 
> 	# initial sanity checks -- messages with
> 	# max_forwards==0, or excessively long requests
> 	if (!mf_process_maxfwd_header("10")) {
> 		sl_send_reply("483","Too Many Hops");
> 		break;
> 	};
> 	if ( msg:len > max_len ) {
> 		sl_send_reply("513", "Message too big");
> 		break;
> 	};
> 
> 	# we record-route all messages -- to make sure that
> 	# subsequent messages will go through our proxy; that's
> 	# particularly good if upstream and downstream entities
> 	# use different transport protocol
> 	record_route();
> 	# loose-route processing
> 	if (loose_route()) {
> 		t_relay();
> 		break;
> 	};
> 
> 
> # is it a PSTN destination? (is username nummerical and does not begin with
> 8?)
> 
> 
> if (uri=~"^sip:[0-79][0-9]*@") { # ... forward to gateways then;
>       # check first to which PSTN destination the requests goes;
>       # if it is US (prefix "1"), use the gateway 64.72.107.2...
>       if (uri=~"^sip:1") {
>            forward(64.72.107.2, 5060);
>       }
>       if (uri=~"^sip:011") {
>            forward(64.72.107.2, 5060);
> 
> 	} else {
>     if (!lookup("location")) {
>       sl_send_reply("404", "User Not Found");
>       log("SER: Dest User Not in location table.\n");
>       break;
>     };
>     if (!t_relay()) { sl_reply_error(); };
>     break;
>   };
> }
> 
> 	# if the request is for other domain use UsrLoc
> 	# (in case, it does not work, use the following command
> 	# with proper names and addresses in it)
> 	if (uri==myself) {
> 
> 		if (method=="REGISTER") {
> 
> 	# Uncomment this if you want to use digest authentication
> 			if (!www_authorize("sipua.cytelcom.com", "subscriber")) {
> 				www_challenge("sipua.cytelcom.com", "0");
> 				break;
> 			};
> 			save("location");
> 			break;
> 		};
> 
> 		# native SIP destinations are handled using our USRLOC DB
> 		if (!lookup("location")) {
> 			sl_send_reply("404", "Not Found");
> 			break;
> 		};
> 	};
> 	# forward to current uri now; use stateful forwarding; that
> 	# works reliably even if we forward from TCP to UDP
> 	if (!t_relay()) {
> 		sl_reply_error();
> 	};
> 
> }
> 
> 
> 
> --
> Harold Workman
> CCNA, CCNP
> Cytel Communications
> hworkman at cytelcom.com
> Ph. 281-449-4000 x3098
> 
> 
> 
> 
> 
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