[asterisk-bugs] [JIRA] (ASTERISK-20748) Asterisk system didn't accept some dtmf digits when It called by a external PBX phone

[Ankit Mittal (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-20748?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ankit Mittal updated ASTERISK-20748:
------------------------------------

    Status: Waiting for Feedback  (was: Waiting for Feedback)

Sorry for being too late.

@Alec Davis I have applied those settings and restart the system. The system accept the digits but now it ignore the digits randomly (before apply the setting it ignore digits every times), most of the time it ignore digit : 3

The setting work for me is
dtmf_reverse_twist=3.2 and rest are same as before. (Can you please tell me in detail "what is it means?")
Now I have increase its value, but system still ignore the digits


but one more problem occur, the tempo of the wav file got increase automatically only for same PBX phones (not for other landlines and mobile phones).

@Rusty Newton I have use dahdi_monitor to record rx stream. The digits which has ignored was not shown in the recording, mean the digit has been pressed at other end but our system didn't receive any such digits. Can you please tell what more options we can try.

                
> Asterisk system didn't accept some dtmf digits when It called by a external PBX phone
> -------------------------------------------------------------------------------------
>
>                 Key: ASTERISK-20748
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-20748
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>    Affects Versions: 1.8.18.0, 10.10.0
>         Environment: CentOS Linux, Asterisk 1.8.18.0, libPri 1.4-current, DAHDI 2.6
> Card Details : Single span digital telephony card TE121. and using PRI E1 lines 
>            Reporter: Ankit Mittal
>            Assignee: Ankit Mittal
>         Attachments: debug.txt, dsp.conf
>
>
> When some one call on our DAHDI(asterisk) system by their landline phone or the mobile phone the call goes perfectly and asterisk accept each of the dtmf digit pressed at other end.
> but when the same call is done by their PBX phone, the system ignore some digits like when we press 100136972 it shows 100192, and if we do it again it shows 1001392.
> I have tried 
> 1. relaxdtmf = yes /no
> 2. toneduration = 300
> but nothing help me.

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