I 
109TH CONGRESS 
2D SESSION 
H. R. 5126 
To amend the Communications Act of 1934 to prohibit manipulation of 
caller identification information, and for other purposes. 
IN THE HOUSE OF REPRESENTATIVES 
APRIL 6, 2006 
Mr. BARTON of Texas (for himself, Mr. ENGEL, Mr. SIMMONS, and Mr. 
REICHERT) introduced the following bill; which was referred to the Com-
mittee on Energy and Commerce 
A BILL 
To amend the Communications Act of 1934 to prohibit ma-
nipulation of caller identification information, and for 
other purposes. 
Be it enacted by the Senate and House of Representa-
tives of the United States of America in Congress assembled, 
SECTION 1. SHORT TITLE. 
This Act may be cited as the ‘‘Truth in Caller ID 
Act of 2006’’. 
SEC. 2. PROHIBITION REGARDING MANIPULATION OF 
CALLER IDENTIFICATION INFORMATION. 
Section 227 of the Communications Act of 1934 (47 
U.S.C. 227) is amended— 
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(1) by redesignating subsections (e), (f), and 
(g) as subsections (f), (g), and (h), respectively; and 
(2) by inserting after subsection (d) the fol-
lowing new subsection: 
‘‘(e) PROHIBITION ON PROVISION OF INACCURATE 
CALLER IDENTIFICATION INFORMATION.— 
‘‘(1) IN GENERAL.—It shall be unlawful for any 
person within the United States, in connection with 
any telecommunications service or VOIP service, to 
cause any caller identification service to transmit 
misleading or inaccurate caller identification infor-
mation, unless such transmission is exempted pursu-
ant to paragraph (3)(B). 
‘‘(2) PROTECTION
FOR
BLOCKING
CALLER 
IDENTIFICATION
INFORMATION.—Nothing in this 
subsection may be construed to prevent or restrict 
any person from blocking the capability of any caller 
identification service to transmit caller identification 
information. 
‘‘(3) REGULATIONS.— 
‘‘(A) IN
GENERAL.—Not later than 6 
months after the enactment of this subsection, 
the Commission shall prescribe regulations to 
implement this subsection. 
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‘‘(B) EXEMPTION.—The regulations under 
this paragraph shall exempt from the prohibi-
tion under paragraph (1) transmissions in con-
nection with authorized activities of law en-
forcement agencies. 
‘‘(4) DEFINITIONS.—For purposes of this sub-
section: 
‘‘(A) CALLER
IDENTIFICATION
INFORMA-
TION.—The term ‘caller identification informa-
tion’ means information provided by a caller 
identification service regarding the telephone 
number of, or other information regarding the 
origination of, a call made using a telecommuni-
cations service or VOIP service. 
‘‘(B) CALLER IDENTIFICATION SERVICE.— 
The term ‘caller identification service’ means 
any service or device designed to provide the 
user of the service or device with the telephone 
number of, or other information regarding the 
origination of, a call made using a telecommuni-
cations service or VOIP service. Such term in-
cludes automatic number identification services. 
‘‘(C) VOIP SERVICE.—The term ‘VOIP 
service’ means a service that— 
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‘‘(i) provides real-time 2-way voice 
communications transmitted through cus-
tomer premises equipment using TCP/IP 
protocol, or a successor protocol (including 
when the voice communication is converted 
to or from TCP/IP protocol by the VOIP 
service provider and transmitted to the 
subscriber without use of circuit switch-
ing), for a fee; 
‘‘(ii) is offered to the public, or such 
classes of users as to be effectively avail-
able to the public (whether part of a bun-
dle of services or separately); and 
‘‘(iii) has the capability to originate 
traffic to, and terminate traffic from, the 
public switched telephone network. 
‘‘(5) LIMITATION.—Notwithstanding any other 
provision of this section, subsection (f) shall not 
apply to this subsection or to the regulations under 
this subsection.’’. 
Æ 
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