Historical
ANSI T1.407-1997
Network to Customer Installation Interfaces - Analog Voicegrade Special Access Lines Using Customer-Installation-Provided Loop-Start Supervision
This standard provides signaling requirements for the interface between telecommunication networks and customer installations where the customer installation provides loop-start supervision. These requirements are intended to assist network operators, manufacturers, and users of products to be used with telecommunication networks to understand the parameters of the existing networks.
Alliance For Telecommunications Industry Solutions [atis]