[asterisk-bugs] [JIRA] (ASTERISK-28550) SDP maxptime

[Gant Liu (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-28550?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=248113#comment-248113 ] 

Gant Liu commented on ASTERISK-28550:
-------------------------------------

Sorry, I am not very clear about the specific device model. It seems to be ZTE's device, and the result is that asterisk received repeated DTMF event. For example, if the user presses  DTMF key 123, we may received like this: 1112233 

> SDP  maxptime
> -------------
>
>                 Key: ASTERISK-28550
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-28550
>             Project: Asterisk
>          Issue Type: Improvement
>      Security Level: None
>          Components: Resources/res_pjsip_sdp_rtp
>    Affects Versions: 16.5.0
>            Reporter: Gant Liu
>            Assignee: Gant Liu
>
> I have found that when the asterisk send an outbound message,in the SDP will add a media attribute "maxptime", this will cause some devices to behave incorrectly when sending RTP. Can we add one more parameter to control whether to carry it?



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