[Freeswitch-users] Lua playAndGetDigits

Michael De Lorenzo delorenzodesign at gmail.com
Wed Mar 17 07:00:56 PDT 2010


How do I do that in Lua?  session:execute("dtmf","start") doesn't work.

On Tue, Mar 16, 2010 at 11:38 PM, Michael S Collins <msc at freeswitch.org>wrote:

> Perhaps the DTMFs are coming inband. Try the start_dtmf dialplan app.
> -MC
>
> Sent from my iPhone
>
> On Mar 16, 2010, at 7:05 PM, Michael De Lorenzo <delorenzodesign at gmail.com>
> wrote:
>
> So I'm making calls using VoiceNetwork, are you suggesting there's a
> problem there?  Or on the line where the call is received (I've tried on a
> couple of different networks/providers)?
>
> On Tue, Mar 16, 2010 at 9:34 PM, Aloysius Lloyd <<lloyd.aloysius at gmail.com>
> lloyd.aloysius at gmail.com> wrote:
>
>> You inbound DID Provider
>>
>>
>>
>> On Tue, Mar 16, 2010 at 9:16 PM, Michael De Lorenzo <<delorenzodesign at gmail.com>
>> delorenzodesign at gmail.com> wrote:
>>
>>> What do you mean about the provider?  I'm not sure I understand that
>>> part.  I'm trying to call a number and have the call's recipient type the
>>> digits in.
>>>
>>>
>>> On Tue, Mar 16, 2010 at 9:07 PM, Aloysius Lloyd <<lloyd.aloysius at gmail.com>
>>> lloyd.aloysius at gmail.com> wrote:
>>>
>>>> here is the test script I used
>>>>
>>>> session:answer();
>>>> digits = session:playAndGetDigits(1, 4, 1, 5000, "#",
>>>> "enter-digits.wav", "", "\\d+");
>>>>
>>>> Here is the console log
>>>>
>>>> 2010-03-17 01:04:50.374761 [DEBUG] switch_ivr_play_say.c:1444 done
>>>> playing file
>>>> *2010-03-17 01:04:50.874736 [DEBUG] switch_rtp.c:2417 RTP RECV DTMF
>>>> 1:800*
>>>> *2010-03-17 01:04:51.104725 [DEBUG] switch_rtp.c:2417 RTP RECV DTMF
>>>> 2:640*
>>>> *2010-03-17 01:04:51.414710 [DEBUG] switch_rtp.c:2417 RTP RECV DTMF
>>>> 3:800*
>>>> *2010-03-17 01:04:51.774692 [DEBUG] switch_rtp.c:2417 RTP RECV DTMF
>>>> 4:640*
>>>> 2010-03-17 01:04:51.774692 [DEBUG] switch_ivr_play_say.c:1737 Test Regex
>>>> [1234][\d+]
>>>>
>>>> You may have some issue with the provider. Check using a local
>>>> extension.
>>>>
>>>>
>>>> On Tue, Mar 16, 2010 at 8:51 PM, Michael De Lorenzo <<delorenzodesign at gmail.com>
>>>> delorenzodesign at gmail.com> wrote:
>>>>
>>>>> Ok, I updated the console log level, and there are no DTMF values being
>>>>> detected:
>>>>>
>>>>> 4268 -> 74.51.38.156 port 15150 codec: 0 ms: 20
>>>>> 2010-03-16 20:49:06.534030 [DEBUG] switch_rtp.c:1181 Starting timer
>>>>> [soft] 160 bytes per 20ms
>>>>> 2010-03-16 20:49:06.535030 [NOTICE] sofia_glue.c:3128 Pre-Answer
>>>>> sofia/external/19736327407!
>>>>> 2010-03-16 20:49:13.762610 [DEBUG] sofia.c:4139 Channel
>>>>> sofia/external/19736327407 entering state [completing][200]
>>>>> 2010-03-16 20:49:13.762610 [DEBUG] sofia.c:4150 Remote SDP:
>>>>> v=0
>>>>> o=root 21648 21649 IN IP4 74.51.38.156
>>>>> s=session
>>>>> c=IN IP4 74.51.38.156
>>>>> t=0 0
>>>>> m=audio 15150 RTP/AVP 0 101
>>>>> a=rtpmap:0 PCMU/8000
>>>>> a=rtpmap:101 telephone-event/8000
>>>>> a=fmtp:101 0-16
>>>>> a=silenceSupp:off - - - -
>>>>> a=ptime:20
>>>>>
>>>>> 2010-03-16 20:49:13.762610 [DEBUG] sofia.c:4139 Channel
>>>>> sofia/external/19736327407 entering state [ready][200]
>>>>> 2010-03-16 20:49:13.763613 [NOTICE] sofia.c:4663 Channel
>>>>> [sofia/external/19736327407] has been answered
>>>>> 2010-03-16 20:49:13.763613 [DEBUG] switch_ivr_originate.c:3107
>>>>> Originate Resulted in Success: [sofia/external/19736327407]
>>>>> 2010-03-16 20:49:13.763613 [DEBUG] switch_cpp.cpp:497
>>>>> (sofia/external/19736327407) State Change CS_CONSUME_MEDIA ->
>>>>> CS_SOFT_EXECUTE
>>>>> 2010-03-16 20:49:13.763613 [DEBUG] switch_core_session.c:1018 Send
>>>>> signal sofia/external/19736327407 [BREAK]
>>>>> 2010-03-16 20:49:13.764618 [DEBUG] switch_ivr_play_say.c:1178 Codec
>>>>> Activated L16 at 8000hz 1 channels 20ms
>>>>> 2010-03-16 20:49:13.764618 [DEBUG] switch_core_state_machine.c:314
>>>>> (sofia/external/19736327407) Running State Change CS_SOFT_EXECUTE
>>>>> 2010-03-16 20:49:13.764618 [DEBUG] switch_core_state_machine.c:354
>>>>> (sofia/external/19736327407) State SOFT_EXECUTE
>>>>> 2010-03-16 20:49:13.764618 [DEBUG] mod_sofia.c:510 SOFIA SOFT_EXECUTE
>>>>> 2010-03-16 20:49:13.764618 [DEBUG] switch_core_state_machine.c:200
>>>>> sofia/external/19736327407 Standard SOFT_EXECUTE
>>>>> 2010-03-16 20:49:13.764618 [DEBUG] switch_core_state_machine.c:354
>>>>> (sofia/external/19736327407) State SOFT_EXECUTE going to sleep
>>>>> 2010-03-16 20:49:13.794735 [DEBUG] switch_rtp.c:2055 Correct ip/port
>>>>> confirmed.
>>>>> 2010-03-16 20:49:25.055402 [DEBUG] switch_ivr_play_say.c:1470 done
>>>>> playing file
>>>>> 2010-03-16 20:49:30.074803 [INFO] switch_cpp.cpp:1142 Digits received
>>>>> during call from playAndGetDigits:
>>>>> 2010-03-16 20:49:30.074803 [INFO] switch_cpp.cpp:1142 Did this check
>>>>> out? no
>>>>>
>>>>>
>>>>> On Tue, Mar 16, 2010 at 8:37 PM, Aloysius Lloyd <<lloyd.aloysius at gmail.com>
>>>>> lloyd.aloysius at gmail.com> wrote:
>>>>>
>>>>>> set the console log level to 7. Then you can see the DTMF values in
>>>>>> console log , while you are pressing the keys.
>>>>>>
>>>>>> Lloyd
>>>>>>
>>>>>>
>>>>>> On Tue, Mar 16, 2010 at 8:23 PM, Michael De Lorenzo <<delorenzodesign at gmail.com>
>>>>>> delorenzodesign at gmail.com> wrote:
>>>>>>
>>>>>>> So I tried Michael's suggestion of:
>>>>>>>
>>>>>>> digits = session:playAndGetDigits(1, 4, 1, 5000, "#",
>>>>>>> get_digits_message, "", "\\d+");
>>>>>>>
>>>>>>> but it still didn't detect that I had pressed any keys.  What would
>>>>>>> cause this?  Is there someplace I can check to see if anything at all is
>>>>>>> being detected?
>>>>>>>
>>>>>>>
>>>>>>> On Tue, Mar 16, 2010 at 5:00 PM, Michael Collins <<msc at freeswitch.org>
>>>>>>> msc at freeswitch.org> wrote:
>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>> On Tue, Mar 16, 2010 at 1:21 PM, Michael De Lorenzo <<delorenzodesign at gmail.com>
>>>>>>>> delorenzodesign at gmail.com> wrote:
>>>>>>>>
>>>>>>>>> I'm having some trouble getting consistent results with
>>>>>>>>> playAndGetDigits, sometimes the digits are record and other times they're
>>>>>>>>> not.  It seemed to have something to do with how quickly the digits were
>>>>>>>>> pressed, but now that no longer seems to be the case.
>>>>>>>>>
>>>>>>>>> I'm trying to have users press a confirmation code, in this case
>>>>>>>>> "1111" although I'd like to make it accept "1" or "11" or "111" or "1111" if
>>>>>>>>> possible.
>>>>>>>>>
>>>>>>>>> Can anyone point me in the right direction?
>>>>>>>>>
>>>>>>>>>
>>>>>>>>>     session =
>>>>>>>>> freeswitch.Session("{ignore_early_media=true}sofia/gateway/" .. provider ..
>>>>>>>>> "/1" .. number_to_call);
>>>>>>>>>
>>>>>>>>>     while(session:ready()) do
>>>>>>>>>        session:answer();
>>>>>>>>>        session:setInputCallback("onInput","true");
>>>>>>>>>
>>>>>>>>>        --playbackMessage(check_message);
>>>>>>>>>        digits = session:playAndGetDigits(4, 4, 1, 5000, "",
>>>>>>>>> get_digits_message, "", "[1]");
>>>>>>>>>
>>>>>>>>
>>>>>>>> You are specifying a minimum of four and a maximum of four digits.
>>>>>>>> Also, your regex will match any string that has a digit 1 in it, which may
>>>>>>>> or may not be what you are looking for. Lastly, you haven't specified a
>>>>>>>> terminator key (like "#") but you are giving the user only one try and
>>>>>>>> waiting 5000ms for the entry. Try something like this:
>>>>>>>>
>>>>>>>> digits = session:playAndGetDigits(1, 4, 1, 5000, "#",
>>>>>>>> get_digits_message, "", "\\d+");
>>>>>>>>
>>>>>>>> Let us know if that works. Oh, one other thing: you might want to
>>>>>>>> add an invalid message because playAndGetDigits will handle invalid input
>>>>>>>> for you.
>>>>>>>> -MC
>>>>>>>>
>>>>>>>> P.S. - This topic is covered in greater detail in Chapter 7 of the
>>>>>>>> upcoming FreeSWITCH book. ;)
>>>>>>>>
>>>>>>>>
>>>>>>>>
>>>>>>>>>        freeswitch.consoleLog("info", digits .. "\n");
>>>>>>>>>        freeswitch.consoleLog("info", "Did this check out? " ..
>>>>>>>>> (check_message == true and "yes" or "no" .. "\n"));
>>>>>>>>>
>>>>>>>>>        -- we got what we're looking for, so we can end this
>>>>>>>>>        if(check_success) then
>>>>>>>>>           freeswitch.consoleLog("info", "A positive response was
>>>>>>>>> received from this check.\n");
>>>>>>>>>           break;
>>>>>>>>>        else
>>>>>>>>>           -- not a positive response
>>>>>>>>>           -- if we reached our max attempts, we're finished move on
>>>>>>>>>           if(attempts == max_attempts) then
>>>>>>>>>             freeswitch.consoleLog("info", "We've reached our
>>>>>>>>> maximum attempts for this number.\n");
>>>>>>>>>             break;
>>>>>>>>>           end
>>>>>>>>>        end
>>>>>>>>>     end
>>>>>>>>>
>>>>>>>>>
>>>>>>>>
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