Receiving caller identification information with a telecommunications device for the deaf
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 6, 2003
Grant Date -
N/A
app pub date -
Jan 3, 2002
filing date -
Jan 3, 2002
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A central office (CO) for a telephone connected with a telecommunication device for the deaf (TDD) called by a calling device determines that the called TDD is connected with the called CO. The called CO postpones indication that the called TDD has connected with the called CO, until the called CO determines whether the called TDD is willing to connect with the calling device. This causes the calling device to continue to receive an indication that a connection has yet to be established between the calling device and the called TDD. As a result of being connected with the telephone connected with the TDD, the called CO transmits caller identification (CID) information regarding the calling device in a format that can be received by a TDD.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Advertisement
Advertisement
Advertisement
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully