ES 201 235-2 : 1.2.1
Current
The latest, up-to-date edition.
SPECIFICATION OF DUAL TONE MULTI-FREQUENCY (DTMF) TRANSMITTERS AND RECEIVERS; PART 2: TRANSMITTERS
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English
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Foreword
1 Scope
2 References
3 Definitions, symbols and abbreviations
3.1 Definitions
3.2 Symbols
3.3 Abbreviations
4 DTMF Transmitter
4.1 Area of application
4.2 Signal output requirements
4.2.1 Frequency tolerances
4.2.2 Sending level
4.2.3 Unwanted frequency components when a DTMF code is
being transmitted
4.2.4 Signal timing
4.2.4.1 Tone duration
4.2.4.2 Pause duration
4.2.4.3 Rise time
4.3 Electrical characteristics
4.3.1 Speech suppression
4.3.2 Dial tone
History
Provides details that will enable manufacturers of telecommunications equipment incorporating DTMF signalling, to design the equipment such that it facilitates highly reliable signalling.
| Committee |
AT ANALOGUE
|
| DocumentType |
Standard
|
| Pages |
10
|
| PublisherName |
European Telecommunications Standards Institute
|
| Status |
Current
|
| ES 202 718 : 1.2.1 | SPEECH AND MULTIMEDIA TRANSMISSION QUALITY (STQ); TRANSMISSION REQUIREMENTS FOR IP-BASED NARROWBAND AND WIDEBAND HOME AND NETWORK MEDIA GATEWAYS FROM A QOS PERSPECTIVE AS PERCEIVED BY THE USER |
| BS 8521:2009 | Specification for dual-tone multi-frequency (DTMF) signalling protocol for social alarm systems |
| EG 201 973-2 : 1.2.1 | ACCESS AND TERMINALS (AT); PUBLIC SWITCHED TELEPHONE NETWORK; SUPPORT OF LEGACY TERMINALS BY BROADBAND IP NETWORKS AND EQUIPMENT; PART 2: ANALOGUE PSTN TERMINALS |
| EG 201 185 : 1.1.1 | TERMINAL SUPPORT INTERFACE FOR HARMONIZED ANALOGUE PSTN TERMINALS |
| TS 102 418 : 1.1.1 | ACCESS AND TERMINALS (AT); SIMULTANEOUS VOICE AND TEXT ANNOUNCEMENTS; PSTN/ISDN; PROTOCOL DESCRIPTION |
| 08/30129607 DC : DRAFT JULY 2008 | BS 8521 - SPECIFICATION FOR DUAL-TONE MULTI-FREQUENCY (DTMF) SIGNALLING PROTOCOL FOR SOCIAL ALARM SYSTEMS (21TC) |
| TS 126 114 : 13.3.0 | UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; IP MULTIMEDIA SUBSYSTEM (IMS); MULTIMEDIA TELEPHONY; MEDIA HANDLING AND INTERACTION (3GPP TS 26.114 VERSION 14.7.0 RELEASE 14) |
| TS 101 909-18 : 1.3.1 | 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 |
| TS 103 161-3 : 1.1.1 | ACCESS, TERMINALS, TRANSMISSION AND MULTIPLEXING (ATTM); INTEGRATED BROADBAND CABLE AND TELEVISION NETWORKS; IPCABLECOM 1.5; PART 3: AUDIO CODEC REQUIREMENTS FOR THE PROVISION OF BI-DIRECTIONAL AUDIO SERVICE OVER CABLE TELEVISION NETWORKS USING CABLE MODEMS |
| TR 103 122 : 1.1.1 | SPEECH AND MULTIMEDIA TRANSMISSION QUALITY (STQ); QOS OF CONNECTIONS FROM CURRENT TECHNOLOGIES TO LTE FOR DELAY SENSITIVE APPLICATIONS |
| TS 123 014 : 13.0.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); SUPPORT OF DUAL TONE MULTI-FREQUENCY (DTMF) SIGNALLING (3GPP TS 23.014 VERSION 14.0.0 RELEASE 14) |
| SCTE 165-2 : 2016 | IPCABLECOM 1.5 - PART 2: AUDIO/VIDEO CODECS |
| TS 124 008 : 13.5.0 | DIGITAL CELLULAR TELECOMMUNICATIONS SYSTEM (PHASE 2+) (GSM); UNIVERSAL MOBILE TELECOMMUNICATIONS SYSTEM (UMTS); LTE; MOBILE RADIO INTERFACE LAYER 3 SPECIFICATION; CORE NETWORK PROTOCOLS; STAGE 3 (3GPP TS 24.008 VERSION 14.7.0 RELEASE 14) |
| TR 101 973-2 : 1.1.1 | ACCESS AND TERMINALS (AT); PUBLIC SWITCHED TELEPHONE NETWORK; SUPPORT OF LEGACY TERMINALS BY BROADBAND IP EQUIPMENT; LISTING OF THE MOST RELEVANT FEATURES AND FUNCTIONALITIES; PART 2: ANALOGUE PSTN TERMINALS |
| TS 102 318 : 1.1.1 | ACCESS AND TERMINALS (AT); DIGITAL BROADBAND ACCESS TO THE PUBLIC TELECOMMUNICATIONS NETWORK; IP MULTIMEDIA TIME CRITICAL SERVICES; PROTOCOL IMPLEMENTATION CONFORMANCE STATEMENT (PICS); INTERNET PROTOCOL ACCESS TERMINAL - LINE CONTROL SIGNALLING |
| TR 101 182 : 1.1.1 | ANALOGUE TERMINALS AND ACCESS (ATA) - DEFINITIONS, ABBREVIATIONS AND SYMBOLS |
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