US 6,983,041 B2 | ||
Versatile communication device with a facsimile function and a telephone function | ||
Susumu Chida, Ichinomiya (Japan); and Junji Hatamura, Nagoya (Japan) | ||
Assigned to Brother Kogyo Kabushiki Kaisha, Nagoya (Japan) | ||
Filed on Jan. 03, 2005, as Appl. No. 11/25,979. | ||
Application 11/025979 is a division of application No. 09/800732, filed on Mar. 08, 2001. | ||
Claims priority of application No. 2000-063746 (JP), filed on Mar. 08, 2000; and application No. 2000-093382 (JP), filed on Mar. 30, 2000. | ||
Prior Publication US 2005/0111639 A1, May 26, 2005 | ||
Int. Cl. H04M 1/00 (2006.01) |
U.S. Cl. 379—163 | 12 Claims |
1. A communication device including a telephone device connectable through a telephone line to a remote telephone device,
comprising:
an on-hold key that sends an on-hold tone out to the remote telephone device when actuated;
determining means for determining whether or not there is a possibility that the on-hold tone might be detected mistakenly
as a communication control signal; and
alerting means for alerting the possibility when said determining means determines that there is such a possibility.
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