The V series recommendations : standards for data communications over the telephone network
Uyless Black · McGraw-Hill eBooks · 1995
Introduction to the v series principal operations of the v series general v series recommendations interfaces for the v series recommendations the voiceband modems recommendations wideband modems error control transmission quality and maintenance interworking with other networks appendix 1 - framework for link level protocols appendix 2 - tutorial on ISDN.