TNAG-1779-FCO40-2539-Hong-Kong-international-telecommunications-1988 — Page 155

FCO40 Hong Kong Department Records 聯邦事務部香港部檔案 All
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EXHIBIT 215 EXPANSION OF KEY TELEPHONE SYSTEM FEATURES PROVIDED BY CSL AND OTHERS

1982

1987

Push button

Last number redial

Transfer on busy

System speed dialling Compact size

90 shared memories

Push button

Last number redial

Transfer on busy

Conference call facility

Doorphone entry security

Facsimile Connections

PC connections

Source: CSL

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