| 摘要 |
<p>Disclosed is a telephone alert system that comprises a telephone and a device for indicating that the telephone requires attending. The indicating device includes a call holding alert mechanism for alerting a party on hold that the hold initiating party is ready to resume conversation, and a further mechanism for alerting someone that the telephone handset is inadvertently disengaged from the switchhook. Both alert mechanism make use of the alert tone of the telephone chassis ringer for notification purposes.</p> |
