Internet Fax Gateway Requirements. - Katsuhiko Mimura; Keiichi Yokoyama; Takahisa Satoh; Chie Kanaide; Claudio Allocchio (RFC, 2005)

Guidelines for Optional Services for Internet Fax Gateways. - Katsuhiko Mimura; Keiichi Yokoyama; Takahisa Satoh; Ken Watanabe; Chie Kanaide (RFC, 2005)