US 12,231,600 B1
Dual compatibility phone system
Robert M. Engelke, Madison, WI (US); Kevin R. Colwell, Middleton, WI (US); and Troy Vitek, Waunakee, WI (US)
Assigned to Ultratec, Inc., Madison, WI (US)
Filed by Ultratec, Inc., Madison, WI (US)
Filed on Feb. 27, 2024, as Appl. No. 18/588,261.
Application 15/934,047 is a division of application No. 14/793,358, filed on Jul. 7, 2015, granted, now 9,955,007, issued on Apr. 24, 2018.
Application 18/588,261 is a continuation of application No. 18/093,070, filed on Jan. 4, 2023, granted, now 11,936,809.
Application 18/093,070 is a continuation of application No. 17/484,341, filed on Sep. 24, 2021, granted, now 11,570,300, issued on Jan. 31, 2023.
Application 17/484,341 is a continuation of application No. 16/773,058, filed on Jan. 27, 2020, granted, now 11,153,432, issued on Oct. 19, 2021.
Application 16/773,058 is a continuation of application No. 16/251,824, filed on Jan. 18, 2019, granted, now 10,560,574, issued on Feb. 11, 2020.
Application 16/251,824 is a continuation of application No. 15/934,047, filed on Mar. 23, 2018, granted, now 10,225,400, issued on Mar. 5, 2019.
Claims priority of provisional application 62/021,372, filed on Jul. 7, 2014.
Int. Cl. H04M 3/42 (2006.01); H04M 3/22 (2006.01); H04M 7/00 (2006.01); H04M 7/12 (2006.01)
CPC H04M 3/42391 (2013.01) [H04M 3/2209 (2013.01); H04M 7/0042 (2013.01); H04M 7/125 (2013.01); H04M 7/1285 (2013.01); H04M 7/1295 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A method for configuring a captioned device used by an assisted user (AU) during a call with a hearing user (HU) where the HU uses an HU device during the communication, the captioned device including a first communication link and a second communication link, the method comprising the steps of:
during a commissioning procedure:
upon determining that the first communication link is connected to a network for communication, configuring the captioned device for two line operation wherein the captioned device receives the HU voice signal via the second communication link, transmits the HU voice signal to the relay via the first communication link, and receives captions corresponding to the HU voice signal from the relay via the first link; and
upon determining that the first communication link is not connected to a network for communication, configuring the captioned device for one line operation wherein the captioned device receives the HU voice signal and captions corresponding to the HU voice signal from the relay via the second link.