- Update to 1.6.2.2
    -
    - * AST-2010-001: An attacker attempting to negotiate T.38 over SIP can
    - remotely crash Asterisk by modifying the FaxMaxDatagram field of
    - the SDP to contain either a negative or exceptionally large value.
    - The same crash occurs when the FaxMaxDatagram field is omitted from
    - the SDP as well.