共 50 条
- [1] FOCUS ON KEY AND HYBRID TELEPHONE SYSTEMS OFFICEMATION PRODUCT REPORTS, 1987, 10 (10-11): : 3 - 86
- [2] FOCUS ON KEY AND HYBRID TELEPHONE SYSTEMS .2. COMMUNICATIONS PRODUCT REPORTS, 1988, 5 (11): : 24 - 52
- [3] FOCUS ON KEY AND HYBRID TELEPHONE SYSTEMS .1. COMMUNICATIONS PRODUCT REPORTS, 1988, 5 (10): : 20 - 29
- [4] FOCUS ON KEY AND HYBRID TELEPHONE SYSTEMS .3. COMMUNICATIONS PRODUCT REPORTS, 1988, 5 (12): : 27 - 59
- [5] KEY HYBRID/PBX TELEPHONE SYSTEMS ADDENDUM COMMUNICATIONS PRODUCT REPORTS, 1989, 6 (07): : 12 - 68
- [6] FOCUS ON PBX AND HYBRID TELEPHONE SYSTEMS .1. COMMUNICATIONS PRODUCT REPORTS, 1989, 6 (02): : 19 - 32
- [7] FOCUS ON PBX AND HYBRID TELEPHONE SYSTEMS .2. COMMUNICATIONS PRODUCT REPORTS, 1989, 6 (03): : 31 - 75
- [8] FOCUS ON TIE - COMMUNICATIONS HYBRID KEY AND PBX SYSTEMS COMMUNICATIONS PRODUCT REPORTS, 1987, 4 (03): : 8 - 30
- [9] KEY TELEPHONE SYSTEMS OF JAPAN JAPAN ANNUAL REVIEWS IN ELECTRONICS COMPUTERS & TELECOMMUNICATIONS, 1984, 14 : 229 - 238
- [10] PICTUREPHONE SYSTEM - KEY TELEPHONE SYSTEMS BELL SYSTEM TECHNICAL JOURNAL, 1971, 50 (02): : 567 - +