[asterisk-bugs] [JIRA] (ASTERISK-24261) Duplicate digits received from analog device

[Joshua Colp (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-24261?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=222451#comment-222451 ] 

Joshua Colp commented on ASTERISK-24261:
----------------------------------------

This does not appear to be an issue with Asterisk. What is happening is that the remote endpoint is sending DTMF using two different methods at the same time. Both SIP INFO packets and RFC2833. This is causing Asterisk to receive the DTMF twice. You can either configure the remote endpoint to only use one method or try configuring Asterisk to not use RFC2833.

> Duplicate digits received from analog device
> --------------------------------------------
>
>                 Key: ASTERISK-24261
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-24261
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: Core/General
>    Affects Versions: 1.8.20.0
>         Environment: i686 i386 GNU/Linux
>            Reporter: Mc GRATH Ricardo
>            Assignee: Matt Jordan
>         Attachments: debug, dsp.conf, full
>
>
> When DISA feature is used a strange behaviour happens with collect digits.
> Any being digits entered were duplicated.
> Extensions.conf
> {noformat}
> exten => 502,1,Goto(Trama,disa,1)
> [Trama]
> exten => disa,1,DISA(no-password,Trama)
> exten => _XXX.,1,NoOp(_X. EXTEN Value ----->${EXTEN})
> exten => _XXX.,n,Dial(DAHDI/g0/${EXTEN})
> {noformat}
> Verbose output
> {noformat}
> dial 001123456789 ---> 000011112233445566778899
>     -- Executing [502 at from-internal:1] Goto("SIP/106-00000043", "Trama,disa,1") in new stack
>     -- Goto (Trama,disa,1)
>     -- Executing [disa at Trama:1] DISA("SIP/106-00000043", "no-password,Trama") in new stack
>     -- Executing [000011112233445566778899 at Trama:1] NoOp("SIP/106-00000043", "_X. EXTEN Value ----->000011112233445566778899") in new stack
>     -- Executing [000011112233445566778899 at Trama:2] Dial("SIP/106-00000043", "DAHDI/g0/000011112233445566778899") in new stack
>     -- Called DAHDI/g0/000011112233445566778899
> {noformat}
> dial 9101 --->  99110011
> {noformat}
>      -- Executing [502 at from-internal:1] Goto("SIP/106-00000044", "Trama,disa,1") in new stack
>     -- Goto (Trama,disa,1)
>     -- Executing [disa at Trama:1] DISA("SIP/106-00000044", "no-password,Trama") in new stack
>     -- Executing [99110011 at Trama:1] NoOp("SIP/106-00000044", "_X. EXTEN Value ----->99110011") in new stack
>     -- Executing [99110011 at Trama:2] Dial("SIP/106-00000044", "DAHDI/g0/99110011") in new stack
>     -- Called DAHDI/g0/99110011
> {noformat}



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