[Serusers] Cancel call Problem

[Klaus Darilion]

What do mean by "gets hanged"?
Watch the SIP call flow using ethereal: Are the CANCEL requests that 
arive at the proxy forwarded to the other SIP phone?

klaus

abhati wrote:
> Hi All
> 
> My problem is...i have got two phones set 111 and 222. if i make call from 
> 111 and don't pick up 222 and cancel the call, this all is fine. but my phone 
> gets hanged...both 111 and 222....what shud be done to properly handle cancel 
> requests.
> 
> i am attaching my ser.cfg file.
> 
> #
> # $Id: ser.cfg,v 1.21.4.1 2003/11/10 15:35:15 andrei Exp $
> #
> # simple quick-start config script
> #
> 
> # ----------- global configuration parameters ------------------------
> 
> #debug=3         # debug level (cmd line: -dddddddddd)
> #fork=yes
> #log_stderror=no	# (cmd line: -E)
> 
> /* Uncomment these lines to enter debugging mode 
> debug=7
> fork=no
> log_stderror=yes
> */
> 
> check_via=no	# (cmd. line: -v)
> dns=no           # (cmd. line: -r)
> rev_dns=no      # (cmd. line: -R)
> #port=5060
> #children=4
> fifo="/tmp/ser_fifo"
> 
> # ------------------ module loading ----------------------------------
> 
> # Uncomment this if you want to use SQL database
> loadmodule "/usr/lib/ser/modules/mysql.so"
> 
> loadmodule "/usr/local/lib/ser/modules/sl.so"
> loadmodule "/usr/local/lib/ser/modules/tm.so"
> loadmodule "/usr/local/lib/ser/modules/rr.so"
> loadmodule "/usr/local/lib/ser/modules/maxfwd.so"
> loadmodule "/usr/local/lib/ser/modules/usrloc.so"
> loadmodule "/usr/local/lib/ser/modules/registrar.so"
> 
> # Uncomment this if you want digest authentication
> # mysql.so must be loaded !
> loadmodule "/usr/local/lib/ser/modules/auth.so"
> loadmodule "/usr/local/lib/ser/modules/auth_db.so"
> 
> loadmodule "/usr/local/lib/ser/modules/domain.so"
> loadmodule "/usr/local/lib/ser/modules/call.so"
> 
> modparam("domain", "db_url", "sql://root:root@localhost/ser")
> modparam("domain", "db_mode", 1)   # Use chaching
> modparam("domain", "domain_table", "domain")
> modparam("domain", "domain_col", "domain")
> 
> modparam("tm", "fr_inv_timer", 30 ) 
> modparam("registrar", "default_expires", 60)
> # ----------------- setting module-specific parameters ---------------
> 
> # -- usrloc params --
> 
> #modparam("usrloc", "db_mode",   0)
> 
> # Uncomment this if you want to use SQL database 
> # for persistent storage and comment the previous line
> modparam("usrloc", "db_mode", 2)
> 
> # -- auth params --
> # Uncomment if you are using auth module
> #
> modparam("auth_db", "calculate_ha1", yes)
> #
> # If you set "calculate_ha1" parameter to yes (which true in this config), 
> # uncomment also the following parameter)
> #
> modparam("auth_db", "password_column", "password")
> 
> 
> # -- rr params --
> # add value to ;lr param to make some broken UAs happy
> modparam("rr", "enable_full_lr", 1)
> 
> # -------------------------  request routing logic -------------------
> 
> # main 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;
> 	};
> 
> 	# 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 (is_from_local()) {
> 
> 		if (method=="REGISTER") {
> 
> # Uncomment this if you want to use digest authentication
> 			if (!www_authorize("", "subscriber")) {
> 				www_challenge("", "0");
> 				break;
> 			};
> 			save("location");
> 			break;
> 		};
> 
> 		# native SIP destinations are handled using our USRLOC DB
> 
> 
> 		if (method=="INVITE") {
> 		if(call()){	//written one module for few things works fine
> 			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();
> 	};
> }
> 
> 
> 
> .
> 
> 
> 
> 
> 
> 
> 
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