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ETSI - ES 201 235-1

Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 1: General

active, Most Current
Organization: ETSI
Publication Date: 1 September 2000
Status: active
Page Count: 7

Document History

ES 201 235-1
September 1, 2000
Specification of Dual Tone Multi-Frequency (DTMF) Transmitters and Receivers; Part 1: General
A description is not available for this item.

References

This document is referenced by:
TS 123 014 - Digital cellular telecommunications system (Phase 2+) (GSM); Universal Mobile Telecommunications System (UMTS); Support of Dual Tone Multi-Frequency (DTMF) signalling
Published by ETSI on April 1, 2022
The present document describes how Dual Tone Multi Frequency (DTMF) signals are supported in the 3GPP system.
This document is referenced by:
TR 103 122 - Speech and multimedia Transmission Quality (STQ); QoS of connections from current technologies to LTE for delay sensitive applications
Published by ETSI on November 1, 2012
The present document addresses QoS problems when interconnecting between existing technologies and LTE. The focus is on delay sensitive applications and the determination of possible shortcomings of...
This document is referenced by:
EN 300 659-1 - Access and Terminals (AT); Analogue Access to the Public Switched Telephone Network (PSTN); Subscriber Line Protocol over the Local Loop for Display (and Related) Services; Part 1: On-Hook Data Transmission
Published by ETSI on January 1, 2001
A description is not available for this item.
This document is referenced by:
ES 201 970 - Access and Terminals (AT); Public Switched Telephone Network (PSTN); Harmonized Specification of Physical and Electrical Characteristics at a 2-Wire Analogue Presented Network Termination Point (NTP)
Published by ETSI on August 1, 2002
A description is not available for this item.
This document is referenced by:
TS 101 909-18 - Digital Broadband Cable access to the public telecommunications network; IP Multimedia Time Critical Services; Part 18: Embedded Media Terminal Adapter (e-MTA) offering an interface to analogue terminals and Cable Modem
Published by ETSI on May 1, 2004
IPCablecom has defined a set of protocols and associated element functional requirements in the TS 101 909 series of documents. These have been developed to deliver Quality of Service (QoS), enhanced...
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