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Welcome, Guest. Please login or register. Fri Apr 19, 2024 00:59
SMSTools3 Community » Help and support Bottom

[answered] configuring a timeout when doing a non-answered voicecall?

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Author Post
Member
Registered:
Feb 2011
Location: Reykjavik, Iceland
Operating system name and version: Linux, Debian Squeeze
Version of smsd: 3.1.14
Smsd installed from: sources
Name and model of a modem / phone: Siemens Cinerion MC55i
Interface: rs232 serial connection over a usb<->serial dongle

Hi... I apologize in advance if I am asking a question that has aldready had an answer. If so, my google-fu is not strong enough.

Is there a way to configure smstools3 (via Voicecall parameter) to time out, and hang up after X many seconds, regardless if someone answers or not?

The idea being: We are running monitoring system at work, Nagios. And we have people on call 24/7. There are certain events that we want to notify, not only with sms, but also with a phone call. And in order to reach as many people as we can in as short a span of time as possible, I have the idea of: send sms out, then phone the person in question - letting the phone ring for 10-15 seconds, hang up, and move to the next recipient. (For our settings, this would be sufficient.)

I have been playing a bit around with the Voicecall parameters, currently with:
voicecall_cpas = yes
voicecall_ignore_modem_response = yes
voicecall_hangup_ath = yes

(using the defaults, with no explicit settings made no changes.)

The "spool-file" I created looks like:
To: +XXXXXXXXX
Voicecall: yes

TONE: TIME: 5 2 #

But no go. I haven't found out yet, how I can get my modem to hangup while dialing, after a timeout.

Am I missing something obvious?

Cheers, and thanks in advance.

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
With default settings, TIME: n should hang up the call properly. However, if voicecall_cpas or voicecall_clcc is used, timeout is not handled in the current version. Right now I'm unable to check and test this issue, but will do it as soon as I can.

After changing any settings in smsd.conf, you surely have restarted the smsd, right?

Member
Registered:
Feb 2011
Location: Reykjavik, Iceland
Topic owner
Yes, I run the smsd with the -t switch, and I press CTRL-C in between, so yes.

When I had no explicit settings for "voicecall*" (voicecall_cpas / voicecall_clcc), the timeout didn't work either.

I tried the following in minicom (when smsd was not running)
ATDTxxxxxxxxxx;

and the phone rang. I then pressed <enter> and I got a hangup, in minicom. If this helps?

Thanks for a speedy answer for a smstool newbie :-)

Cheers, and thanks,
--
EinarI

Member
Registered:
Feb 2011
Location: Reykjavik, Iceland
Topic owner
Ok... I found out a solution. Not quite clear, and it seems I just missed trying that one.

I changed the "spoolfile" to have contents like:

To: +XXXXXXXX
Voicecall: yes

TIME: 10


That is, I changed the content from: "TONE: TIME: 5 2 #" to simply: "TIME: 10"
and that seems to have worked :-)

Thanks again :-)

--
EinarI

Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
You have increased the timeout, and with the new content smsd will play default tones, if a call is answered. The content "TONE: TIME: 10 2 #" should also work as expected. I think that you could re-run tests, with loglevel = 7, and very carefully check from the log what is happening.

With default settings, 3.1.14 does the following:

2011-02-26 13:52:16,6, GSM1: I have to make a voice call to 35840XXXXXXX, with (2 times) DTMF #
2011-02-26 13:52:16,7, GSM1: -> ATD+35840XXXXXXX;
2011-02-26 13:52:16,7, GSM1: Command is sent
2011-02-26 13:52:16,7, GSM1: Waiting for 10 seconds
2011-02-26 13:52:26,6, GSM1: The result of a voice call was
2011-02-26 13:52:26,7, GSM1: -> ATH
2011-02-26 13:52:26,7, GSM1: Command is sent, waiting for the answer. (5)
2011-02-26 13:52:26,7, GSM1: <- OK
2011-02-26 13:52:26,6, GSM1: Moved file /var/spool/sms/checked/voicecall2 to /var/spool/sms/sent/voicecall2-TONE__TIME__10_2__
 


In this case the result is empty in the log, and "Result: OK" is written to the sent file. This will be changed in the next version, in this case the result will be "Timeout". Also the timeout will work with voicecall_cpas and voicecall_clcc too.

If you want to apply the patch, here it is. Save the following as /tmp/patch, then cd smstools3/src and run patch < /tmp/patch. Then recompile and test...

diff -Naur 3.1.14/src/smsd.c smstools3/src/smsd.c
--- 3.1.14/src/smsd.c   2010-09-21 12:47:47.000000000 +0300
+++ smstools3/src/smsd.c        2011-02-26 14:37:35.000000000 +0200
@@ -4549,6 +4549,10 @@

           wait_time = time(0);

+          // 3.1.15:
+          if (!wait_delay)
+            wait_delay = 150;
+
           put_command(command, answer, sizeof(answer), 24, expect);

           for (;;)
@@ -4641,7 +4645,9 @@
               }
             }

-            if (time(0) > wait_time + 150)
+            // 3.1.15:
+            //if (time(0) > wait_time + 150)
+            if (time(0) > wait_time + wait_delay)
             {
               strcpy(voicecall_result, "Timeout");
               writelogfile(LOG_INFO, 0, "The result of a voice call was %s", voicecall_result);
@@ -4702,6 +4708,11 @@
               t_sleep(1);
             }
             while (time(0) < wait_time +wait_delay);
+
+            // 3.1.15:
+            if (!(*answer))
+              strcpy(answer, "Timeout");
+
             change_crlf(cut_emptylines(cutspaces(strcpy(voicecall_result, answer))), ' ');
             // 3.1.7:
             writelogfile(LOG_INFO, 0, "The result of a voice call was %s", voicecall_result);
 
 
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Administrator
Registered:
May 2009
Location: Jyväskylä, Finland
Is this issue still active?

Member
Registered:
Feb 2011
Location: Reykjavik, Iceland
Topic owner
Hi, and sorry for a late reply.

No, this issue has been resolved successfully :-)

What was confusing me was the docs... when I read them, they seemed to imply that the use of the 'voicecall' parameter should have a body like:

TONE: TIME: 15 2

Where in fact, it was sufficient for me to use:

TIME: 20

to get my results.

But, I'm a happy camper now, and next step for me is to write a bit around the event handler, and work a bit with the statistics provided :-)

So, I'm a happy camper, and thank you very much for your assistance in this matter.
And thanks for following through as well.

Cheers,
--
EinarI

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