Patent ID: 8270006

Claim:
A communication apparatus connectable to a facsimile terminal and a network, comprising: a facsimile communication processing unit for mediating facsimile transmission compliant with a predetermined protocol by converting first facsimile signals received from the facsimile terminal to first facsimile packets, sending the first facsimile packets on the network, converting second facsimile packets received from the network to second facsimile signals, and sending the second facsimile signals to the facsimile terminal; a non-standard facility (NSF) data recognition module for analyzing the first facsimile signals and/or the second facsimile signals and designating as non-transmittable any analyzed facsimile signals that include data identifying a non-standard facility left unspecified by the predetermined protocol and invite use of the non-standard facility; an NSF data abandonment module for blocking the facsimile signals designated as non-transmittable by the NSF data recognition module; a replacement NSF data memory storing replacement data nullifying use of the non-standard facility; and a replacement NSF signal transmission control module for replacing the data identifying the non-standard facility with the replacement data, so that a facsimile signal designated as non-transmittable by the NSF data recognition module is converted to a modified facsimile signal for transmission to the facsimile terminal or the network.