Enabling audio buffering (Boolean). This API call is required to enable audio buffering for an account.
http://<server-name>/api/xml?action=acl-field-update&acl-id=<account-id>&field-id=meeting-live-audio-buffer&value=true
http://<server-name>/api/xml?action=acl-field-update&acl-id=<account-id>&field-id=meeting-live-audio-buffer&value=true