Goto Section: 64.2119 | 64.2301 | Table of Contents
Revised as of February 18, 2020
Goto Year:2019 |
§ 64.2201 Ringing indication requirements.
(a) A long-distance voice service provider shall not convey a ringing
indication to the calling party until the terminating provider has
signaled that the called party is being alerted to an incoming call,
such as by ringing.
(1) If the terminating provider signals that the called party is being
alerted and provides an audio tone or announcement, originating
providers must cease any locally generated audible tone or announcement
and convey the terminating provider's tone or announcement to the
(2) The requirements in this paragraph apply to all voice call
signaling and transmission technologies and to all long-distance voice
service providers, including local exchange carriers as defined in
§ 64.4001(e), interexchange carriers as defined in § 64.4001(d),
providers of commercial mobile radio service as defined in § 20.3 of
this chapter, providers of interconnected voice over Internet Protocol
(VoIP) service as defined in 47 U.S.C. 153(25), and providers of
non-interconnected VoIP service as defined in 47 U.S.C. 153(36) to the
extent such providers offer the capability to place calls to or receive
calls from the public switched telephone network.
(b) Intermediate providers must return unaltered to providers in the
call path any signaling information that indicates that the terminating
provider is alerting the called party, such as by ringing.
(1) An intermediate provider may not generate signaling information
that indicates the terminating provider is alerting the called party.
An intermediate provider must pass the signaling information indicating
that the called party is being alerted unaltered to subsequent
providers in the call path.
(2) Intermediate providers must also return unaltered any audio tone or
announcement provided by the terminating provider.
(3) In this section, the term “intermediate provider” has the same
meaning as in § 64.1600(f).
(4) The requirements in this section apply to all voice call signaling
and transmission technologies.
(c) The requirements in paragraphs (a) and (b) of this section apply to
both interstate and intrastate calls, as well as to both originating
and terminating international calls while they are within the United
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Subpart X—Subscriber List Information
Source: 64 FR 53947 , Oct. 5, 2000, unless otherwise noted.
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Goto Section: 64.2119 | 64.2301
Goto Year: 2019 |
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