I have been fighting with this for a month now and still can't get it work. Can someone please tell me what's wrong? Relevant configs... modparam("tm", "fr_inv_timer", 5 ) modparam("tm", "fr_timer", 10 ) t_on_failure("2"); if (!t_relay()) { sl_reply_error(); break; }; failure_route[2]{ log(1,"call sent to voicemail due to no answer\n"); rewritehostport("219.242.10.153:5061"); t_relay(); break; } I get this error in my logs..... Oct 2 15:16:13 voip2 ser[15512]: ERROR: t_forward_nonack: no branched for fwding Oct 2 15:16:13 voip2 ser[15512]: ERROR: w_t_relay (failure mode): forwarding failed -----Original Message----- From: Jiri Kuthan [mailto:jiri@iptel.org] Sent: Thursday, September 25, 2003 4:49 PM To: Gavin Bensom; serusers@lists.iptel.org Subject: Re: [Serusers] voicemail question - dial plan example - pstngateway example At 07:16 PM 9/25/2003, Gavin Bensom wrote:

In the ser admin guide it says

"You can refer to voicemail example config file to know what your configuration file should include. Note that voicemail uses subsriber database table to determine recepient's email address. Read the README file in the vm module directory for complete description of the functions and variables that are used by voicemail and how they work."

I can't find any complete descriptions of the functions and variables and how they work. The README file is very short and basic.

In the example config file there are many calls to vm(/tmp/am_fifo", "*"); where * is "announcement" or "voicemail" or "echo" or "bye" or "conference." Are these all required in a basic voicemail setup? C

If you want to setup voicemail, use just vm("/tmp/am_fifo", "voicemail"); the second parameter describes behaviour of the media component. You don't want to deploy the other examples.

an anyone point me to more information on how this works and what each of these modules are doing?

If I call a user who isn't logged in I can hear the voicemail default greeting, but then the line goes silent. I don't think there is any voice recording happening. See ser.cfg attached.

Recorder is silent when it records, that's normal behaviour. What matters is whether you then receive a WAV file by email or not. SEMS is running (you hear announcement), so you should.

Also, if a timer is set to send calls to vm (using failure_route) after a certain timeout, is there a way to prevent that timeout from killing calls routed to the PSTN?

If you want failure_route to be evoked only for some calls, then set t_on_failure_route for such. You already do so in your script, don't you? There is other problem though -- the failure_route logic for VM should be different from that in route block -- you can't create transaction state two times (first time with t_relay, second time with t_newtran). SER will certainly complain with some error message in your logs. I will introduce some new command which hides details of transaction processing from script writers and can be used from both route[] and failure_route[]. (I didn't think of it before since I used voicemail on some other machine than proxy server.) -jiri

Thanks, G.

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# # $Id: ser.cfg,v 1.20 2003/05/31 21:12:19 jiri 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=8 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" sip_warning=no # # ------------------ module loading ---------------------------------- # # Uncomment this if you want to use SQL database loadmodule "/usr/local/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" loadmodule "/usr/local/lib/ser/modules/vm.so" loadmodule "/usr/local/lib/ser/modules/pa.so" loadmodule "/usr/local/lib/ser/modules/msilo.so" loadmodule "/usr/local/lib/ser/modules/acc.so" loadmodule "/usr/local/lib/ser/modules/textops.so" # #loadmodule "/usr/local/lib/ser/modules/nathelper.so" #loadmodule "/usr/local/lib/ser/modules/uri.so" #loadmodule "/usr/local/lib/ser/modules/group.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" # # ----------------- 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") # # modparam("acc", "log_level", 1) modparam("acc", "log_flag", 2) modparam("acc", "log_missed_flag", 2) modparam("acc", "log_fmt", "fimos") # #modparam("tm", "fr_inv_timer", 35) #INVITE timeout #modparam("tm", "fr_timer", 30) #negative INVITE replay or no #final reply for a request for ACK # modparam("voicemail", "db_url", "sql://ser:heslo@localhost/ser") # #modparam("acc", "db_url", "sql://ser:heslo@localhost/ser") #modparam("acc", "db_flag", 2) #modparam("acc", "db_missed_flag", 2) # # ------------------------- request routing logic ------------------- # # main routing logic # alias=10.10.10.49 #sip server IP address alias=jiffypop #sip server name alias=mydomain.com #sip domain/realm alias=jiffypop.mydomain.com #sip server FQDN # route{ log(1,"entering main route"); #prevent strangers from claiming to belong to our domain; #if sender claims to be in our domain in From header field, #better authenticate him # code not inserted yet :)

# 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 (len_gt( 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; };

setflag(2); #set flag for accounting

# 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") { # digest authentication log(1,"request for registration"); if (!www_authorize("mydomain.com", "subscriber")) { www_challenge("mydomain.com", "0"); break; }; save("location"); break; };

/* ********** Dial out to PSTN logic ************* */

#forward numerical 7 digit requests to gateway

if(uri=~"^sip:[0-9]{7}@(mydomain\.com|10\.10\.10\.49)"){

# append_hf("Remote-Party-ID:<sip:6508466600@mydomain.com>;party=calling;i d-type=subscriber;privacy=off;screen=no;\r\n"); rewritehostport("10.10.10.5:5060"); log(1,"7 digit expression match"); route(2); break;

}; # strip 650 and forward to GW is user dials 650 before phone no.

if(uri=~"^sip:650[0-9]{7}@(mydomain\.com|10\.10\.10\.49)"){

strip(3); rewritehostport("10.10.10.5:5060"); log(1,"650 area code dialed, 650 stripped"); route(2); break;

}; #forward numerical 10 digit requests to gateway, append

a 1 first

if(uri=~"^sip:[0-9]{10}@(mydomain\.com|10\.10\.10\.49)"){

prefix("1"); rewritehostport("10.10.10.5:5060"); log(1,"10 digit expression match, prefix 1"); route(2); break; }; #forward numerical 11 digit requests that start with a

1 to GW

if(uri=~"^sip:1[0-9]{10}@(mydomain\.com|10\.10\.10\.49)"){

rewritehostport("10.10.10.5:5060"); log(1,"10 digit exp match w/leading 1"); route(2); break; }; #forward international N digit requests to gateway

if(uri=~"^sip:011[0-9]+@(mydomain\.com|10\.10\.10\.49)"){

rewritehostport("10.10.10.5:5060"); log(1,"international expression match"); route(2); break; };

/* ********** VOICEMAIL logic ************* */

if (uri=~"^sip:voicemail\+@"){ t_newtran(); t_reply("100", "Trying -- just a second"); if(!vm("/tmp/am_fifo","announcement")){ t_reply("500", "SEMS error"); }; log(1,"sip:voicemail uri match"); break; }; /* ****** Find Aliases and Locations of users ********* */

# It is very important to lookup "aliases" before looking up

"locations"

if(!lookup("aliases")){ log(1,"Couldn't find any matching alias"); sl_send_reply("404", "User does not exist"); break; };

if(!lookup("location")) { log(1,"unable to locate user"); route(3); break; };

};

# forward to current uri now; use stateful forwarding; that # works reliably even if we forward from TCP to UDP t_on_failure("1"); if (!t_relay()) { sl_reply_error(); }; log(1,"eof"); }

route[2]{ log(1,"route[2]:SIP-to-PSTN call routed"); if(!t_relay()){ sl_reply_error(); }; }

route[3]{ log(1,"route[3]: voicemail processing"); if(method=="INVITE" || method=="ACK"){ log(1,"1st if entered in route[3] *vm*"); t_newtran(); t_reply("100","Trying -- just a second"); if(!vm("/tmp/am_fifo","voicemail")){ # "announcement"

was replaced with "voicemail"

log(1,"vm module called and failed"); t_reply("500", "SEMS error"); }; break; }; log(1,"end of route[3], 1st if check not entered"); }

failure_route[1]{ log(1,"failure_route[1]:jump to vm processing"); route(3); # break; }

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-- Jiri Kuthan http://iptel.org/~jiri/ _______________________________________________ Serusers mailing list serusers@lists.iptel.org http://lists.iptel.org/mailman/listinfo/serusers