In addition to the procedures described in 5.3.3, if the bearer capability is either audio or speech, the called user or private network may apply in-band tones/announcements in the clearing phase.When in-band tones/announcements are provided, the DISCONNECT message contains progress indicator No. 8, in-band information or appropriate pattern is now available, and the called user or private network proceeds similarly as stipulated in 5.3.4.1 for the network.