[Freeswitch-users] Message Playback Stops

[Michael Collins]

I think this could be filed under "abusing Lua" :)

The amount of control you are doing on these calls tells me that you should
absolutely be doing most of this logic outside of FreeSWITCH. I would
recommend a socket-based application that can build the dialstrings and send
them to FS as originate commands. I've personally tinkered around and gotten
50-60 cps with a perl script that does this kind of thing. (Haven't done
much w/ it lately.)

-MC

On Mon, Feb 21, 2011 at 11:22 PM, Michael De Lorenzo <
delorenzodesign at gmail.com> wrote:

> Hello,
>
> I have a Freeswitch installation that is intended to make many calls
> (thousands) and playback a single wav file.  The calls are successfully
> processed (the recipient's phone rings), but the call almost immediately
> disconnects, after about 1s.  Everything seems to work fine if I'm only
> pushing one or two calls through the Freeswitch instance, but as soon as I
> turn up the call rate (I'm still only doing about 50 concurrent sessions)
> the playback begins to fail.
>
> I've watched the calls go out from the console and nothing looks out of the
> ordinary, except that the calls are disconnected with NORMAL CLEARING prior
> to completion.
>
> Here's the Lua script I'm using...
>
> profile_id = argv[1];
> account_code = argv[2];
> client_id = argv[3];
> caller_id_name = argv[4];
> caller_id = argv[5];
> dial_id = argv[6];
> number_to_call = argv[7];
> message_to_play = argv[8];
> max_retries = argv[9];
> retry_interval = argv[10];
>
> local human_detected = false
> local voicemail_detected = false;
> local message_played = false;
>
> recordings_directory = "/usr/local/freeswitch/recordings/messages/";
>
> function setDialVariables(set_as_session_variables)
>     local s = "profile_id=" .. profile_id;
>     s = s .. ",account_code=" .. account_code;
>     s = s .. ",client_id=" .. client_id;
>     s = s .. ",caller_id_name=" .. caller_id_name;
>     s = s .. ",caller_id=" .. caller_id;
>     s = s .. ",dial_id=" .. dial_id;
>     s = s .. ",number_to_call=" .. number_to_call;
>     s = s .. ",message_to_play=" .. message_to_play;
>
>     freeswitch.consoleLog("notice", s .. "\n");
>
>     return s
> end
>
> function printSessionVariables()
>     freeswitch.consoleLog("notice", "******* PRINTING SESSION VARIABLES
> **********\n");
>     -- ommitted
>     freeswitch.consoleLog("notice",
> "**********************************************\n");
> end
>
> function onInput(s, type, obj, arg)
>     if(type == "event" and voicemail_detected == false) then
>         freeswitch.consoleLog("debug","************ VOICE MAIL/ANSWERING
> MACHINE DETECTED *************\n");
>         voicemail_detected = true;
>         return "break";
>     end
>     return true;
> end
>
> function playbackMessage(sleepTime)
>     message_played = false;
>     session:sleep(sleepTime);
>     -- play a file
>     message_file = recordings_directory .. message_to_play;
>     freeswitch.consoleLog("notice", "Playing file: " .. message_file ..
> "\n");
>     session:streamFile(message_file);
>     freeswitch.consoleLog("notice", "!!!!! Finished playing the file
> !!!!!\n");
>     message_played = true;
> end
>
> session = freeswitch.Session("{" .. setDialVariables(false) ..
> ",ignore_early_media=true,origination_caller_id_name=" .. caller_id_name ..
> ",origination_caller_id_number=+1" .. caller_id .. "}sofia/gateway/gateway_"
> .. profile_id .. "/" .. number_to_call);
>
> while(session:ready()) do
>    setDialVariables(true)
>    session:answer();
>
>    -- session:execute("continue_on_fail","true");
>    session:setInputCallback("onInput","true");
>    session:execute("avmd","start");
>
>    playbackMessage(200);
>
>    vm_status = voicemail_detected == true and "yes" or "no"
>    freeswitch.consoleLog("info", "Was VM detected? " .. vm_status .. "\n");
>    if(voicemail_detected) then
>       return "break";
>    end
>
>    freeswitch.consoleLog("notice", "Played the message at least once and
> checked for VM, we should be exiting the loop.\n")
> end
>
> if (voicemail_detected) then
>     freeswitch.consoleLog("info", "Playback for voicemail.\n");
>     session:execute("avmd","stop");
>     playbackMessage(5000);
> end
>
> freeswitch.consoleLog("info", "All finished, hanging up the session.\n");
> session:hangup();
>
> Any help would be greatly appreciated.
>
> Thank you,
>
> Michael
>
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