| Description | This object is used to enable/disable the gateway to
override the NSF(Non-Standard Facilities) code in the
following T.30 signals: NSF, NSC (Non-Standard Facilities
Command) and NSS (Non-Standard Facilities Set-up). The
NSF code is overridden to prevent the group 3 fax
machines from synchronizing with each other on the basis
of a protocol other the ITU T-series recommendations.
If this proprietary synchronization is prevented, the
group 3 fax machines will synchronize to the standard
T-series protocol. This action is necessary if the fax
relay capability of the media gateway is limited
to the T-series recommendations. As defined in T.35, the NSF
code consists of a one-byte Country Code, a two-byte
Terminal Provider Code (also called the Vendor Code), and a
variable-length (up to 255 bytes) Terminal Provider-Oriented
Code. If t38NSFOverride is enabled, the Country Code and
Terminal Provider Code are overridden with the values of the
t38NSFCountryCode and t38NSFVendorCode respectively, while
the Terminal Provider-Oriented Code (which is a bit-map of
manufacturer-specific capabilities) is set to all-zeros. |