110TH CONGRESS 

1ST SESSION H. R. 251 

AN ACT 

To amend the Communications Act of 1934 to prohibit manipulation of caller identification information, and for 

other purposes. 

1 Be it enacted by the Senate and House of Representa2 tives of the United States of America in Congress assembled, 
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1 SECTION 1. SHORT TITLE. 

2 This Act may be cited as the ‘‘Truth in Caller ID 

3 Act of 2007’’. 

4 SEC. 2. PROHIBITION REGARDING MANIPULATION OF 

5 CALLER IDENTIFICATION INFORMATION. 

6 Section 227 of the Communications Act of 1934 (47 

7 U.S.C. 227) is amended— 

8 (1) by redesignating subsections (e), (f), and 

9 (g) as subsections (f), (g), and (h), respectively; and 

10 (2) by inserting after subsection (d) the fol11 lowing new subsection: 

12 ‘‘(e) PROHIBITION ON PROVISION OF DECEPTIVE

13 CALLER IDENTIFICATION INFORMATION.— 

14 ‘‘(1) IN GENERAL.—It shall be unlawful for any 

15 person within the United States, in connection with 

16 any telecommunications service or VOIP service, to 

17 cause any caller identification service to transmit 

18 misleading or inaccurate caller identification infor19 mation, with the intent to defraud or cause harm. 

20 ‘‘(2) PROTECTION FOR BLOCKING CALLER

21 IDENTIFICATION INFORMATION.—Nothing in this 

22 subsection may be construed to prevent or restrict 

23 any person from blocking the capability of any caller 

24 identification service to transmit caller identification 

25 information. 

26 ‘‘(3) REGULATIONS.— 
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1 ‘‘(A) DEADLINE.—Not later than 6 

2 months after the enactment of this subsection, 

3 the Commission shall prescribe regulations to 

4 implement this subsection. 

5 ‘‘(B) CONSIDERATION OF RELATED REGU6 LATIONS.—In conducting the proceeding to pre7 scribe the regulations required by subparagraph 

8 (A) of this paragraph, the Commission shall ex9 amine whether the Commission’s regulations 

10 under subsection (b)(2)(B) of this section 

11 should be revised to require non-commercial 

12 calls to residential telephone lines using an arti13 ficial or pre-recorded voice to deliver a message 

14 to transmit caller identification information 

15 that is not misleading or inaccurate. 

16 ‘‘(4) EFFECT ON OTHER LAWS.—Nothing in 

17 this subsection shall be construed to authorize or 

18 prohibit any investigative, protective, or intelligence 

19 activities performed in connection with official du20 ties, and in accordance with all applicable laws, by 

21 a law enforcement agency of the United States, a 

22 State, or a political subdivision of a State, or by an 

23 intelligence agency of the United States. 

24 ‘‘(5) SAVINGS PROVISION.—Except for para25 graph (3)(B), nothing in this subsection may be con-
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1 strued to affect or alter the application of the Com2 mission’s regulations regarding the requirements for 

3 transmission of caller identification information, 

4 issued pursuant to the Telephone Consumer Protec5 tion Act of 1991 (Public Law 102–243) and the 

6 amendments made by such Act. 

7 ‘‘(6) DEFINITIONS.—For purposes of this sub8 section: 

9 ‘‘(A) CALLER IDENTIFICATION INFORMA10 TION.—The term ‘caller identification informa11 tion’ means information provided to an end 

12 user by a caller identification service regarding 

13 the telephone number of, or other information 

14 regarding the origination of, a call made using 

15 a telecommunications service or VOIP service. 

16 ‘‘(B) CALLER IDENTIFICATION SERVICE.— 

17 The term ‘caller identification service’ means 

18 any service or device designed to provide the 

19 user of the service or device with the telephone 

20 number of, or other information regarding the 

21 origination of, a call made using a telecommuni22 cations service or VOIP service. Such term in23 cludes automatic number identification services. 

24 ‘‘(C) VOIP SERVICE.—The term ‘VOIP 

25 service’ means a service that— 
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1 ‘‘(i) provides real-time voice commu2 nications transmitted through end user 

3 equipment using TCP/IP protocol, or a 

4 successor protocol, for a fee or without a 

5 fee; 

6 ‘‘(ii) is offered to the public, or such 

7 classes of users as to be effectively avail8 able to the public (whether part of a bun9 dle of services or separately); and 

10 ‘‘(iii) has the capability to originate 

11 traffic to, or terminate traffic from, the 

12 public switched telephone network.’’. 

Passed the House of Representatives June 12, 2007. 

Attest: 

Clerk. 
110TH CONGRESS 

1ST SESSION H. R. 251 

AN ACT 

To amend the Communications Act of 1934 to promation, and for other purposes. hibit manipulation of caller identification infor-