US6023474A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Broadband telecommunications system interface
Assignee: Sprint Communications Co LP
•
Filing: 1996-11-22
•
Granted: 2000-02-08
•
Expires: 2016-11-22
Abstract
Abstract The invention is a system for interfacing a GR-303 system with a broadband system. The broadband system can be an ATM system. The invention can process the GR-303 signaling to select ATM connections and then interwork the GR-303 connections with the selected ATM connections. The invention can interwork GR-303 signaling and SS7 signaling. The invention can also process SS7 signaling to select GR-303 connections and then interwork ATM connections with the selected GR-303 connections.
Inventors
- 👤 Michael Joseph Gardner
- 👤 Tracy Lee Nelson
- 👤 William Lyle Wiley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:41
CPC Classifications
H; H04; H04J; H04J3/00; H04J3/02; H04J3/12; H04J3/125; H04J3/16; H04J3/24; H04J3/247; H04L; H04L49/00; H04L49/25; H04L49/253; H04L49/254; H04L49/255; H04Q; H04Q11/00; H04Q11/04; H04Q11/0428; H04Q11/0478; H04Q3/00; H04Q3/0016; H04Q3/0025; H04J2203/00; H04J2203/0001; H04J2203/0064; H04J2203/0066; H04J2203/0089; H04L12/00; H04L12/54; H04L12/56; H04L12/5601; H04L2012/5629; H04L2012/563; H04L2012/5638; H04L2012/5663; H04L2012/5672; H04L49/30; H04L49/3009; H04Q2213/00; H04Q2213/13102; H04Q2213/13104; H04Q2213/13176; H04Q2213/13204; H04Q2213/13205; H04Q2213/13209; H04Q2213/1329; H04Q2213/13292; H04Q2213/13296; H04Q2213/1338; H04Q2213/13389; H04Q2213/13399
Claims Analysis
Total Claims: 50
Claim 1
Independent Claim
165 words
A telecommunications system that provides an interface between a broadband system and a GR-303 system for a telecommunications call, the telecommunications system comprising: a signaling processing system that is operational to process GR-303 signaling, to select a broadband connection for the call, and to provide a control message that identifies the selected broadband connection; a signaling interface that is operational to receive the GR-303 signaling from the GR-303 system and to provide the GR-303 signaling to the signaling processing system; a bearer interface that is operational to receive GR-303 communications from the GR-303 system and to receive the control message from the signaling processing system, wherein the bearer interface is also operational to convert the GR-303 communications into broadband communications and to transmit the broadband communications to the broadband system on the selected broadband connection based on the control message; links between the bearer interface, the signaling interface, and the signaling processing system that are operational to carry the GR-303 signaling and the control message.
Claim 2
Dependent Claim
165 words
A telecommunications system that provides an interface between a broadband system and a GR-303 system for a telecommunications call, the telecommunications system comprising: a signaling processing system that is operational to process GR-303 signaling, to select a broadband connection for the call, and to provide a control message that identifies the selected broadband connection; a signaling interface that is operational to receive the GR-303 signaling from the GR-303 system and to provide the GR-303 signaling to the signaling processing system; a bearer interface that is operational to receive GR-303 communications from the GR-303 system and to receive the control message from the signaling processing system, wherein the bearer interface is also operational to convert the GR-303 communications into broadband communications and to transmit the broadband communications to the broadband system on the selected broadband connection based on the control message; links between the bearer interface, the signaling interface, and the signaling processing system that are operational to carry the GR-303 signaling and the control message.
Claim 3
Dependent Claim
180 words
The system of claim 1 wherein the system provides an interface between the broadband system and the GR-303 system for another telecommunications call wherein: the signaling processing system is further operational to process other signaling from the broadband system for the other call, to select a GR-303 connection for the other call, to provide another control message for the other call that identifies the selected GR-303 connection, and to provide other GR-303 signaling for the other call; the signaling interface is further operational to receive the other GR-303 signaling for the other call from the signaling processing system and to provide the other GR-303 signaling to the GR-303 system; and the bearer interface is further operational to receive other broadband communications for the other call from the broadband system and to receive the other control message from the signaling processing system, wherein the bearer interface is also operational to convert the other broadband communications into other GR-303 communications and to transmit the other GR-303 communications to the GR-303 system on the selected GR-303 connection based on the other control message.
Claim 4
Dependent Claim
24 words
The system of claim 1 wherein the signaling processing system is also operational to interwork the GR-303 signaling and Signaling System #7 (SS7) signaling.
Claim 5
Dependent Claim
24 words
The system of claim 1 wherein the signaling processing system is also operational to exchange Signaling System #7 (SS7) signaling with the broadband system.
Claim 6
Dependent Claim
171 words
A telecommunications system that provides an interface between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for a telecommunications call, the telecommunications system comprising: a signaling processing system that is operational to process GR-303 signaling from the GR-303 system, to select an ATM connection for the call, and to provide a control message that identifies the selected ATM connection; a signaling interface that is operational to receive the GR-303 signaling from the GR-303 system and to provide the GR-303 signaling to the signaling processing system; a bearer interface that is operational to receive GR-303 communications from the GR-303 system and to receive the control message from the signaling processing system, wherein the bearer interface is also operational to convert the GR-303 communications into ATM communications and transmit the ATM communications to the ATM system using the selected ATM connection based on the control message; links between the bearer interface, the signaling interface, and the signaling processing system that are operational to carry the GR-303 signaling and the control message.
Claim 7
Dependent Claim
171 words
A telecommunications system that provides an interface between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for a telecommunications call, the telecommunications system comprising: a signaling processing system that is operational to process GR-303 signaling from the GR-303 system, to select an ATM connection for the call, and to provide a control message that identifies the selected ATM connection; a signaling interface that is operational to receive the GR-303 signaling from the GR-303 system and to provide the GR-303 signaling to the signaling processing system; a bearer interface that is operational to receive GR-303 communications from the GR-303 system and to receive the control message from the signaling processing system, wherein the bearer interface is also operational to convert the GR-303 communications into ATM communications and transmit the ATM communications to the ATM system using the selected ATM connection based on the control message; links between the bearer interface, the signaling interface, and the signaling processing system that are operational to carry the GR-303 signaling and the control message.
Claim 8
Dependent Claim
180 words
The system of claim 5 wherein the system provides an interface between the ATM system and the GR-303 system for another telecommunications call wherein: the signaling processing system is further operational to process other signaling for the other call from the ATM system, to select a GR-303 connection for the other call, to provide another control message for the other call that identifies the selected GR-303 connection, and to provide other GR-303 signaling for the other call; the signaling interface is further operational to receive the other GR-303 signaling for the other call from the signaling processing system and to provide the other GR-303 signaling to the GR-303 system; and the bearer interface is further operational to receive other ATM communications for the other call from the ATM system and to receive the other control message from the signaling processing system, wherein the bearer interface is also operational to convert the other ATM communications into other GR-303 communications and to transmit the other GR-303 communications to the GR-303 system on the selected GR-303 connection based on the other control message.
Claim 9
Dependent Claim
128 words
A telecommunications system for use between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a signaling interface that is operational to exchange the call signaling between the GR-303 system and the signaling processing system; and a bearer interface that is operational to receive the control messages from the signaling processing system and to interwork call communications between the GR-303 system and the ATM system on the selected connections based on the control messages.
Claim 10
Dependent Claim
128 words
A telecommunications system for use between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a signaling interface that is operational to exchange the call signaling between the GR-303 system and the signaling processing system; and a bearer interface that is operational to receive the control messages from the signaling processing system and to interwork call communications between the GR-303 system and the ATM system on the selected connections based on the control messages.
Claim 11
Dependent Claim
27 words
The system of claim 7 wherein the signaling processing system is also operational to interwork the signaling from the GR-303 system and Signaling System #7 (SS7) signaling.
Claim 12
Dependent Claim
27 words
The system of claim 7 wherein the signaling processing system is also operational to interwork GR-303 set-up messages and Signaling System #7 (SS7) Initial Address Messages (IAMs).
Claim 13
Dependent Claim
28 words
The system of claim 7 wherein the signaling processing system is also operational to process an Signaling System #7 (SS7) Initial Address Message to select the ATM connection.
Claim 14
Dependent Claim
19 words
The system of claim 7 wherein the selected ATM connection is provisioned through an ATM cross-connect before the call.
Claim 15
Dependent Claim
28 words
The system of claim 7 wherein the signaling processing system is also operational to process an Signaling System #7 (SS7) Initial Address Message to select the GR-303 connection.
Claim 16
Dependent Claim
14 words
The system of claim 7 wherein the GR-303 connection is designated by a DSO.
Claim 17
Dependent Claim
15 words
The system of claim 7 further comprising an ATM cross-connect coupled to the bearer interface.
Claim 18
Dependent Claim
24 words
The system of claim 7 wherein the signaling processing system is further operational to exchange Signaling System #7 (SS7) signaling with the ATM system.
Claim 19
Dependent Claim
18 words
The system of claim 7 wherein the signaling processing system comprises a signaling converter and a signaling processor.
Claim 20
Dependent Claim
22 words
The system of claim 16 wherein the signaling converter is operational to interwork between GR-303 signaling and Signaling System #7 (SS7) signaling.
Claim 21
Dependent Claim
15 words
The system of claim 7 further comprising a resource device coupled to the bearer interface.
Claim 22
Dependent Claim
15 words
The system of claim 18 wherein the resource device is operational to detect DTMF tones.
Claim 23
Dependent Claim
19 words
The system of claim 7 wherein the signaling interface and the bearer interface are incorporated into an ATM multiplexer.
Claim 24
Dependent Claim
17 words
The system of claim 20 wherein the ATM multiplexer is further operational to provide a dial tone.
Claim 25
Dependent Claim
15 words
The system of claim 20 wherein the ATM multiplexer is further operational to provide ringback.
Claim 26
Dependent Claim
16 words
The system of claim 20 wherein the ATM multiplexer is further operational to provide DTMF tones.
Claim 27
Dependent Claim
13 words
The system of claim 23 wherein the DTMF tones identify a called number.
Claim 28
Dependent Claim
16 words
The system of claim 20 wherein the ATM multiplexer is further operational to detect DTMF tones.
Claim 29
Dependent Claim
13 words
The system of claim 25 wherein the DTMF tones identify a called number.
Claim 30
Dependent Claim
23 words
The system of claim 20 wherein the ATM multiplexer is further operational to interwork between GR-303 signaling and Signaling System #7 (SS7) signaling.
Claim 31
Dependent Claim
48 words
The system of claim 7 further comprising a first link between the signaling interface and the signaling processing system that is operational to carry the call signaling and a second link between the bearer interface and the signaling processing system that is operational to carry the control messages.
Claim 32
Dependent Claim
142 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processor that is operational to process Signaling System #7 (SS7) signaling, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a signaling converter that is operational to interwork between GR-303 signaling and SS7 signaling and to exchange SS7 signaling with the signaling processor; a signaling interface that is operational to exchange the GR-303 signaling between the signaling converter and the GR-303 system; and a bearer interface that is operational to receive the control messages from the signaling processor and to interwork call communications between the GR-303 system and the ATM system using the selected connections based on the control messages.
Claim 33
Dependent Claim
142 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processor that is operational to process Signaling System #7 (SS7) signaling, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a signaling converter that is operational to interwork between GR-303 signaling and SS7 signaling and to exchange SS7 signaling with the signaling processor; a signaling interface that is operational to exchange the GR-303 signaling between the signaling converter and the GR-303 system; and a bearer interface that is operational to receive the control messages from the signaling processor and to interwork call communications between the GR-303 system and the ATM system using the selected connections based on the control messages.
Claim 34
Dependent Claim
187 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a remote digital terminal that is operational to provide GR-303 communications and GR-303 signaling; an ATM multiplexer that is operational to exchange the GR-303 signaling between remote digital terminal and the signaling processing system, to receive the control messages from the signaling processing system, and to interwork the GR-303 communications between the remote digital terminal the ATM system using the selected connections based on the control messages; at least one link between the ATM multiplexer and the signaling processing system that is operational to carry the GR-303 signaling and the control messages; and at least one connection between the remote digital terminal and the ATM multiplexer that is operational to carry the GR-303 communications and the GR-303 signaling.
Claim 35
Dependent Claim
187 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a remote digital terminal that is operational to provide GR-303 communications and GR-303 signaling; an ATM multiplexer that is operational to exchange the GR-303 signaling between remote digital terminal and the signaling processing system, to receive the control messages from the signaling processing system, and to interwork the GR-303 communications between the remote digital terminal the ATM system using the selected connections based on the control messages; at least one link between the ATM multiplexer and the signaling processing system that is operational to carry the GR-303 signaling and the control messages; and at least one connection between the remote digital terminal and the ATM multiplexer that is operational to carry the GR-303 communications and the GR-303 signaling.
Claim 36
Dependent Claim
17 words
The system of claim 30 w%herein the ATM multiplexer is further operational to collect digits from callers.
Claim 37
Dependent Claim
24 words
The system of claim 31 wherein the ATM multiplexer is further operational to provide information indicating the collected digits to the signaling processing system.
Claim 38
Dependent Claim
22 words
The system of claim 32 wherein the signaling processing system uses the information indicating the collected digits to select the ATM connection.
Claim 39
Dependent Claim
235 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a remote digital terminal that is operational to provide GR-303 communications and GR-303 signaling; an ATM cross-connect that is operational to interconnect ATM communications over the selected ATM connections wherein the selected ATM connections are provisioned through the ATM cross-connect before the call; an ATM multiplexer that is operational to exchange the GR-303 signaling between remote digital terminal and the signaling processing system, to receive the control messages from the signaling processing system, and to interwork the communications between the remote digital terminal the ATM cross-connect using the selected connections based on the control messages; at least one link between the ATM multiplexer and the signaling processing system that is operational to carry the GR-303 signaling and the control messages; and at least one connection between the remote digital terminal and the ATM multiplexer that is operational to carry the GR-303 communications and the GR-303 signaling. at least one connection between the ATM multiplexer and the ATM cross-connect that is operational to carry the ATM communications.
Claim 40
Dependent Claim
235 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a remote digital terminal that is operational to provide GR-303 communications and GR-303 signaling; an ATM cross-connect that is operational to interconnect ATM communications over the selected ATM connections wherein the selected ATM connections are provisioned through the ATM cross-connect before the call; an ATM multiplexer that is operational to exchange the GR-303 signaling between remote digital terminal and the signaling processing system, to receive the control messages from the signaling processing system, and to interwork the communications between the remote digital terminal the ATM cross-connect using the selected connections based on the control messages; at least one link between the ATM multiplexer and the signaling processing system that is operational to carry the GR-303 signaling and the control messages; and at least one connection between the remote digital terminal and the ATM multiplexer that is operational to carry the GR-303 communications and the GR-303 signaling. at least one connection between the ATM multiplexer and the ATM cross-connect that is operational to carry the ATM communications.
Claim 41
Dependent Claim
155 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a signaling interface that is operational to exchange the call signaling between the GR-303 system and the signaling processing system; and a bearer interface that is operational to receive the control messages from the signaling processing system and to interwork call communications between the GR-303 system and the ATM system on the selected connections based on the control messages, wherein the bearer interface is further operational to interconnect the call communications from a first GR-303 connection to a second GR-303 connection based on the control messages.
Claim 42
Dependent Claim
155 words
A telecommunications system that interworks between an Asynchronous Transfer Mode (ATM) system and a GR-303 system for telecommunications calls, the telecommunications system comprising: a signaling processing system that is operational to process call signaling from the GR-303 system and from the ATM system, to select at least one of a GR-303 connection and an ATM connection for each call, and to provide control messages that identify the selected connections; a signaling interface that is operational to exchange the call signaling between the GR-303 system and the signaling processing system; and a bearer interface that is operational to receive the control messages from the signaling processing system and to interwork call communications between the GR-303 system and the ATM system on the selected connections based on the control messages, wherein the bearer interface is further operational to interconnect the call communications from a first GR-303 connection to a second GR-303 connection based on the control messages.
Claim 43
Independent Claim
64 words
A method for operating a telecommunications system that interworks between a GR-303 system and an Asynchronous Transfer Mode (ATM) system for telecommunications calls, the method comprising: receiving GR-303 signaling and GR-303 communications into the telecommunications system; converting the GR-303 signaling into Signaling System #7 (SS7) signaling; processing the SS7 signaling to select ATM connections; and interworking the GR-303 communications with the selected ATM connections.
Claim 44
Independent Claim
64 words
A method for operating a telecommunications system that interworks between a GR-303 system and an Asynchronous Transfer Mode (ATM) system for telecommunications calls, the method comprising: receiving GR-303 signaling and GR-303 communications into the telecommunications system; converting the GR-303 signaling into Signaling System #7 (SS7) signaling; processing the SS7 signaling to select ATM connections; and interworking the GR-303 communications with the selected ATM connections.
Claim 45
Dependent Claim
35 words
The method of claim 36 further comprising: receiving SS7 signaling and ATM communications into the telecommunications system; processing the SS7 signaling to select GR-303 connections; and interworking the ATM communications with the selected GR-303 connections.
Claim 46
Dependent Claim
51 words
The method of claim 36 further comprising: receiving additional GR-303 signaling and additional GR-303 communications into the telecommunications system; converting the additional GR-303 signaling into additional Signaling System #7 (SS7) signaling; processing the additional SS7 signaling to select GR-303 connections; and interconnecting the additional GR-303 communications with the selected GR-303 connections.
Claim 47
Independent Claim
96 words
A method for operating a telecommunications system that interworks between a GR-303 system and an Asynchronous Transfer Mode (ATM) system for a telecommunications calls from callers, the method comprising: receiving GR-303 set-up messages from the GR-303 system into the telecommunications system; collecting digits from the callers; converting the GR-303 set-up messages and the collected digits into Signaling System #7 (SS7) Initial Address Messages (IAMs); processing the SS7 IAMs to select ATM connections to the ATM system; receiving GR-303 communications from the GR-303 system; interworking the GR-303 communications with the selected ATM connections to the ATM system.
Claim 48
Independent Claim
96 words
A method for operating a telecommunications system that interworks between a GR-303 system and an Asynchronous Transfer Mode (ATM) system for a telecommunications calls from callers, the method comprising: receiving GR-303 set-up messages from the GR-303 system into the telecommunications system; collecting digits from the callers; converting the GR-303 set-up messages and the collected digits into Signaling System #7 (SS7) Initial Address Messages (IAMs); processing the SS7 IAMs to select ATM connections to the ATM system; receiving GR-303 communications from the GR-303 system; interworking the GR-303 communications with the selected ATM connections to the ATM system.
Claim 49
Dependent Claim
44 words
The method of claim 39 further comprising: receiving other SS7 IAMs from the ATM system into the telecommunications system; processing the other SS7 IAMs to select GR-303 connections; receiving ATM communications from the ATM system; interworking the ATM communications with the selected GR-303 connections.
Claim 50
Dependent Claim
81 words
The method of claim 39 further comprising: receiving additional GR-303 set-up messages from the GR-303 system into the telecommunications system; collecting additional digits from the callers; converting the additional GR-303 set-up messages and the additional collected digits into additional Signaling System #7 (SS7) Initial Address Messages (IAMs); processing the additional SS7 IAMs to select GR-303 connections to the GR-303 system; receiving GR-303 communications from the GR-303 system; interconnecting the additional GR-303 communications with the selected GR-303 connections to the GR-303 system.
References Cited (Backward Citations)
US4201889A
Cited
US4310727A
Cited
US4348554A
Cited
US4453247A
Cited
US4565903A
Cited
US4554659A
Cited
US4683563A
Cited
US4730312A
Cited
US4736364A
Cited
US4748658A
Cited
US5036318A
Cited
US4916690A
Cited
US4823338A
Cited
US4823338B1
Cited
US4926416A
Cited
US4985889A
Cited
US4896319A
Cited
US4853955A
Cited
US5058104A
Cited
US5089954A
Cited
US5101404A
Cited
US5233607A
Cited
US5258752A
Cited
US4991204A
Cited
US5073890A
Cited
US5163057A
Cited
US5067123A
Cited
US5091903A
Cited
US4993104A
Cited
US5231631A
Cited
US5084867A
Cited
US5434981A
Cited
US5018191A
Cited
US5048081A
Cited
US5086461A
Cited
US5185743A
Cited
US5239539A
Cited
US5258979A
Cited
US5216669A
Cited
US5003584A
Cited
US5268895A
Cited
US5231633A
Cited
US5249178A
Cited
US5253247A
Cited
US5204857A
Cited
US5115431A
Cited
US5193110A
Cited
US5453981A
Cited
US5255266A
Cited
US5271010A
Cited
US5274680A
Cited
US5317562A
Cited
US5479402A
Cited
US5218602A
Cited
US5168492A
Cited
US5251255A
Cited
US5363433A
Cited
US5282244A
Cited
US5291479A
Cited
AU2385392A
Cited
US5239542A
Cited
US5327433A
Cited
US5394393A
Cited
US5311509A
Cited
US5339318A
Cited
US5291492A
Cited
US5418783A
Cited
US5367566A
Cited
US5420857A
Cited
US5357510A
Cited
US5420916A
Cited
US5375124A
Cited
US5285441A
Cited
US5373504A
Cited
US5345443A
Cited
US5329308A
Cited
US5278889A
Cited
US5479401A
Cited
US5323389A
Cited
US5600640A
Cited
US5394398A
Cited
US5541926A
Cited
US5384840A
Cited
US5519707A
Cited
US5504742A
Cited
US5463620A
Cited
US5345445A
Cited
US5365524A
Cited
US5345446A
Cited
US5327421A
Cited
US5446738A
Cited
US5477537A
Cited
US5420858A
Cited
US5513178A
Cited
US5539884A
Cited
US5463621A
Cited
US5673262A
Cited
US5473677A
Cited
US5434852A
Cited
US5509010A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 2003-02-07 | 2003-08-09 | 2004-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2007-02-07 | 2007-08-09 | 2008-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2011-02-07 | 2011-08-09 | 2012-02-08 | $7700.00 | Window Closed / Lapsed |