Get ptime/maxptime from the TP optional properties on the codecs
Get ptime/maxptime from the TP optional properties on the codecs

freedesktop-unofficial-mirror/telepathy__telepathy-farstream,freedesktop-unofficial-mirror/telepathy__telepathy-farstream,freedesktop-unofficial-mirror/telepathy__telepathy-farsight,freedesktop-unofficial-mirror/telepathy__telepathy-farstream,freedesktop-unofficial-mirror/telepathy__telepathy-farsight,freedesktop-unofficial-mirror/telepathy__telepathy-farsight