Contents of build 2.5.4, release date 17/10/2016:
SIPTP-814: Minor fix regarding the notification issued when deleting a ported number.
SIPTP-818: Minor improvement on CDR tab with respect to SIP trace information link (available via 'Permission' setting).
SIPTP-819: Minor fix related to the 'Edit trunk' dialog.
SIPTP-811: Minor 'behind the scenes' database improvement when adding mobile accounts.