Comment 2 for bug 1311929

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Matthias van der Heide (launzhpad) wrote :

After upgrading Ubuntu from 13.10 to 14.04 LTS I can now no longer send DTMF tones to my PBX. This used to work in the previous version of Ubuntu.

My PBX specifies RFC2833 as the only way to send DTMF signals, and Linphone is useless to me without it.