Back to results
US 6,643,356 B1Granted
Method of sharing and transferring information between ISDN telephones
AssigneeAmeritech Corporation
InventorsEdward Michael Hickey, Robert John Laitman
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeAmeritech Corporation
InventorsEdward Michael Hickey, Robert John Laitman
Estimating the term…
A method of automatically sharing and transferring information between a Work at Work (WAW) ISDN telephone and a Work at Home (WAH) ISDN telephone. This information includes, calling line identifier delivery from the WAW telephone to the WAH telephone, facilitating subsequent transferring of the call to the WAH telephone if desired. Message waiting status is also shared, facilitating the coordination of message waiting lamps at both the WAW and WAH telephone. Information from one telephone to the other is carried transparently through the ISDN network as user-to-user information, calling party subaddress, D channel X.25 packet message, lower layer compatibility or a combination of these elements. The telephones automatically establish ISDN calls between themselves and swap information pertaining to the status of the companion telephones.
A method of automatically transferring an incoming call made to a first telephone connected with a digital subscription network, to a second telephone connected with said network, each of said telephones including selection means for selectively placing the telephone in a local or remote operating mode, said method comprising a sequence of the following steps:
A method of controlling a message waiting indicator on a second telephone from a first telephone, each telephone connected with a network including means for storing a voice mail message, comprising the steps of:
A method of notifying each of a group of telephone users connected with a network of the storage at a local network switch of a voice mail message, comprising the steps of:
Dependencies are inferred from the claim text.