[asterisk-bugs] [JIRA] (ASTERISK-20642) Occasional audio failure after placing call on hold

[Michael L. Young (JIRA)]

    [ https://issues.asterisk.org/jira/browse/ASTERISK-20642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=199160#comment-199160 ] 

Michael L. Young commented on ASTERISK-20642:
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I think I see what the problem is.

Can you set "ignoresdpversion=yes" for the Cisco phone?  Let us know if that solves this.