[Freeswitch-users] IVR menu delay - 1 second between events

[Cal Leeming [Simplicity Media Ltd]]

Hello,

There appears to be a delay of 1 second between menu events within an IVR
(i.e. play long, invalid option, play short).

We have the following IVR menu;

          <menu name="ivr.2"
              greet-long="phrase:demo_ivr_main_menu"
              greet-short="phrase:demo_ivr_main_menu"

              exit-sound="phrase:demo_ivr_main_menu"
              confirm-macro=""
              confirm-key=""
              confirm-attempts="3"
              timeout="10000"
              inter-digit-timeout="10"
              max-failures="3"
              max-timeouts="3"
              digit-len="1">

In the above example, any option will result in an invalid selection being
met.

However, FS seems to take its sweet time getting from the point of a user
pushing a button, to actually playing the next audio.

freeswitch at vded213> 2012-12-07 16:17:21.752141 [DEBUG] switch_rtp.c:3797
RTP RECV DTMF 2:2240
2012-12-07 16:17:21.752141 [DEBUG] switch_ivr_play_say.c:1682 done playing
file
/usr/local/freeswitch/sounds/en/us/callie/ivr/ivr-welcome_to_freeswitch.wav
2012-12-07 16:17:21.872105 [DEBUG] switch_ivr_menu.c:395 digits '2'
2012-12-07 16:17:21.872105 [DEBUG] switch_ivr_menu.c:579 IVR menu 'ivr.2'
caught invalid input '2'
2012-12-07 16:17:22.872155 [DEBUG] switch_ivr_play_say.c:67 No language
specified - Using [en]
2012-12-07 16:17:22.872155 [DEBUG] switch_ivr_play_say.c:244 Handle
play-file:[ivr/ivr-welcome_to_freeswitch.wav] (en:en)
2012-12-07 16:17:22.872155 [DEBUG] switch_core_file.c:180 File
/usr/local/freeswitch/sounds/en/us/callie/ivr/ivr-welcome_to_freeswitch.wav
sample rate 48000 doesn't match requested rate 8000
2012-12-07 16:17:22.872155 [DEBUG] switch_ivr_play_say.c:1309 Codec
Activated L16 at 8000hz 1 channels 20ms

In the above, you can see the IVR knew the menu was invalid at
"16:17:21.872105", but didn't start playing the next audio until
"16:17:22.872155".

The difference between the two is almost exactly 1 second, which makes me
think maybe there's a config option somewhere that isn't
documented/obvious, or a hard coded delay.

Any advice on this would be much appreciated, slow/laggy menus are a pet
hate of mine :/

Thanks

Cal
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