[asterisk-bugs] [JIRA] (ASTERISK-23197) Problem with quick dial of dtmf signals

[Matt Jordan (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-23197?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ASTERISK-23197 stopped by Matt Jordan.

> Problem with quick dial of dtmf signals
> ---------------------------------------
>
>                 Key: ASTERISK-23197
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-23197
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 1.8.15.0, 11.2.0
>         Environment: CentOS release 5.8 (Final), 2.6.18-308.8.1.el5, Dahdi 2.6.1
>            Reporter: Nikolay
>
> We have found out the problem with quick dial of dtmf signals.
> Symptoms: A user rings to a company with asterisk as a PBX. PBX is connected to PSTN by a TE121/TE220 card. On the PBX it answers autoattendant, allowing dial of extensions.
> The user, having heard  the voice greeting, dials extension - further very attentively, DIALS QUICKLY - the pauses between button pushes is much less then a second.
> The PBX in this situation does not recognize the DTMF, the employee on the extension is not reached. But if a user dials the same extension slowly, say pressing first button, then waiting 1 second, pressing second 
> button,  waiting a second again and so on - 
> in this case DTMF get regognized very well - the user in this situation reaches the employee on that extension. 
> Conditions:
> Asterisk 1.8.15-cert2 or asterisk-11.2cert2
> What we tried to tune
> The toneduration parameter in  chandahdi.conf.
> Different  values were set, from 10 to 200.

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