US6172977B1
Expired / Lapsed
US
⏱️ 0.0 years remaining
ATM direct access line system
Assignee: Sprint Communications Co LP
•
Filing: 1996-02-02
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Granted: 2001-01-09
•
Expires: 2016-02-02
Abstract
Abstract The invention is an ATM system to route DS0 traffic from T 1 Extended Superframe (ESF) or Superframne (SF) systems that use robbed bit signaling. The invention is able to route the call selecting the ATM VPI/VCI that routes the call within the ATM system. DS0s with robbed bit signaling are transported transparently by the ATM system.
Inventors
- 👤 Joseph Michael Christie
- 👤 Albert Daniel Duree
- 👤 Michael Joseph Gardner
- 👤 Mark Sucharczuk
- 👤 William Lyle Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:24
CPC Classifications
H; H04; H04L; H04L49/00; H04L49/25; H04L49/253; H04L49/254; H04J; H04J3/00; H04J3/02; H04J3/12; H04J3/125; H04J3/24; H04J3/247; H04L49/255; H04L49/30; H04L49/3009; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0478; H04Q3/00; H04Q3/0016; H04Q3/0025; H04Q3/0029; H04L12/00; H04L12/54; H04L12/56; H04L12/5601; H04L2012/5603; H04L2012/5609; H04L2012/561; H04L2012/5629; H04L2012/563; H04L2012/5638; H04L2012/5646; H04L2012/5652; H04L2012/5653; H04L2012/5665; H04L2012/5672; H04L49/20; H04L49/205; H04L49/206; H04L49/50; H04Q2213/00; H04Q2213/13102; H04Q2213/13104; H04Q2213/13141; H04Q2213/13167; H04Q2213/13176; H04Q2213/13204; H04Q2213/13209; H04Q2213/1329; H04Q2213/13296; H04Q2213/13349; H04Q2213/1338; H04Q2213/13389; H04Q2213/13399; H04Q2213/13527
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
173 words
A method of operating a communications system, the method comprising: receiving superframe traffic into an interworking multiplexer; in the interworking multiplexer, generating and transmitting information messages in response to the superframe traffic; receiving the information messages into a processor; in the processor selecting identifiers for asynchronous traffic in response to the information messages: in the processor, generating and transmitting control messages indicating the identifiers; in the interworking multiplexer, receiving the control messages indicating the identifiers; in the interworking multiplexer interworking the superframe traffic with asynchronous traffic in response to the control messages: transmitting the asynchronous traffic from the interworking multiplexer; in the processor, selecting connections in response to the information messages; in the processor, generating other control messages indicating the connections; receiving the asynchronous traffic into another interworking multiplexer, receiving the other control messages indicating the connections into the other interworking multiplexer; in the other interworking multiplexer, interworking the asynchronous traffic with other superframe traffic in response to the other control messages; and transmitting the other superframe traffic from the other interworking multiplexer.
Claim 2
Independent Claim
173 words
A method of operating a communications system, the method comprising: receiving superframe traffic into an interworking multiplexer; in the interworking multiplexer, generating and transmitting information messages in response to the superframe traffic; receiving the information messages into a processor; in the processor selecting identifiers for asynchronous traffic in response to the information messages: in the processor, generating and transmitting control messages indicating the identifiers; in the interworking multiplexer, receiving the control messages indicating the identifiers; in the interworking multiplexer interworking the superframe traffic with asynchronous traffic in response to the control messages: transmitting the asynchronous traffic from the interworking multiplexer; in the processor, selecting connections in response to the information messages; in the processor, generating other control messages indicating the connections; receiving the asynchronous traffic into another interworking multiplexer, receiving the other control messages indicating the connections into the other interworking multiplexer; in the other interworking multiplexer, interworking the asynchronous traffic with other superframe traffic in response to the other control messages; and transmitting the other superframe traffic from the other interworking multiplexer.
Claim 3
Dependent Claim
9 words
The method of claim 1 further comprising correcting slips.
Claim 4
Dependent Claim
11 words
The method of claim 1 further comprising correcting frame alignment synchronization.
Claim 5
Dependent Claim
19 words
The method of claim 1 further comprising handling a loss of at least a portion of the asynchronous traffic.
Claim 6
Dependent Claim
10 words
The method of claim 1 further comprising performing glare resolution.
Claim 7
Dependent Claim
29 words
The method of claim 1 further comprising in the other interworking multiplexer, interworking the asynchronous traffic with the other superframe traffic using frame alignment information in the asynchronous traffic.
Claim 8
Dependent Claim
20 words
The method of claim 1 further comprising transferring the asynchronous communications through an asynchronous communications system between the interworking multiplexers.
Claim 9
Dependent Claim
17 words
The method of claim 1 further comprising receiving and processing the other superframe traffic in a switch.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2004-01-09 | 2004-07-10 | 2005-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2008-01-09 | 2008-07-10 | 2009-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2012-01-09 | 2012-07-10 | 2013-01-09 | $7700.00 | Window Closed / Lapsed |