共 50 条
- [1] DEVELOPMENTS IN CHANNEL-ASSOCIATED SIGNALLING TECHNOLOGY. Post Office Electrical Engineers Journal, 1981, 74 (pt 3): : 213 - 215
- [2] A CHANNEL-ASSOCIATED SIGNALING SYSTEM FOR DIGITAL SUBSCRIBER LINES REVIEW OF THE ELECTRICAL COMMUNICATIONS LABORATORIES, 1985, 33 (05): : 831 - 838