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1、 TIA STANDARD ANSI/TIA-777-A-2003 Approved: May 1, 2003 Telecommunications Telephone Terminal Equipment Caller Identity and Visual Message Waiting Indicator Equipment Performance Requirements TIA-777-A (Revision of TIA/EIA-777) MAY 2003 TELECOMMUNICATIONS INDUSTRY ASSOCIATION Representing the teleco
2、mmunications industry in association with the Electronic Industries Alliance Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted wit
3、hout license from IHS -,-,- NOTICE TIA Engineering Standards and Publications are designed to serve the public interest through eliminating misunderstandings between manufacturers and purchasers, facilitating interchangeability and improvement of products, and assisting the purchaser in selecting an
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8、From Standards Proposal No. 3-4078-RV1 and SP-3-4078-RV1-1, formulated under the cognizance of the TIA TR-41.3 Subcommittee on Analog and Digital Wireline Terminals.) Published by TELECOMMUNICATIONS INDUSTRY ASSOCIATION 2003 Standards and Technology Department 2500 Wilson Boulevard Arlington, VA 222
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10、er.cfm All rights reserved Printed in U.S.A. Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- NOTI
11、CE OF DISCLAIMER AND LIMITATION OF LIABILITY The document to which this Notice is affixed (the “Document”) has been prepared by one or more Engineering Committees or Formulating Groups of the Telecommunications Industry Association (“TIA”). TIA is not the author of the Document contents, but publish
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22、pyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- PLEASE! DONT VIOLATE THE LAW! This document is copy
23、righted by the TIA and may not be reproduced without prior permission of the Telecommunications Industry Association. For information consult our website at http:/www.tiaonline.org/about/faqDetail.cfm?id=18 Organizations may obtain permission to reproduce a limited number of copies through entering
24、into a license agreement. For information, contact: Global Engineering Documents 15 Inverness Way East Englewood, CO 80112-5704 U.S.A. or call U.S.A. and Canada 1-800-854-7179, International (303) 397-7956 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicens
25、ee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-777-A i TABLE OF CONTENTS 1 SCOPE 1 2 NORMATIVE REFERENCES1 3 ABBREVIATIONS, ACRONYMS, AND DEFINITIONS 2 3.1 ABBREVIATIONS AND ACRONYMS2 3.
26、2 DEFINITIONS.2 4 TECHNICAL CRITERIA FOR CPE 4 4.1 MANDATORY, RECOMMENDED, AND PERMISSIVE CRITERIA.4 5 TYPE 1 CPE GENERAL.4 5.1 TYPE 1 CPE FUNCTIONALITY.4 5.2 TYPE 1 PROTOCOL4 5.2.1 FSK following Power Ringing4 5.2.2 FSK without Power Ringing .5 5.2.3 Time-out and Resetting Capabilities.5 5.2.4 Type
27、 1 Message Preamble.6 5.2.4.1 Channel Seizure Signal6 5.2.4.2 Mark Signal6 5.2.4.3 Binary & ASCII Encoding.6 5.2.5 Message Formats.6 5.2.5.1 Message Types.7 5.2.5.2 Message Length8 5.2.5.3 SDMF Message Type8 5.2.5.3.1 SDMF Calling Number.8 5.2.5.3.2 SDMF Reason for Absence of Directory Number9 5.2.5
28、.4 MDMF Message Format9 5.2.5.4.1 Parameter Types9 5.2.5.4.2 Parameter Length.10 5.2.5.4.3 Parameter Field Definitions.10 5.2.5.4.3.1 MDMF Date and Time Parameter.10 5.2.5.4.3.2 MDMF Calling Number Parameter.11 5.2.5.4.3.3 MDMF Dialable Directory Number Parameter.12 5.2.5.4.3.4 MDMF Reason for Absen
29、ce of Directory Number Parameter12 5.2.5.4.3.5 MDMF Calling Name Parameter13 5.2.5.4.3.6 MDMF Reason for Absence of Calling Name Parameter 13 5.2.5.4.3.7 MDMF Call Qualifier Parameter 14 5.2.5.4.3.8 Reason for Redirection Parameter (Reserved)14 5.2.5.5 Visual Message Waiting Indicator14 5.2.5.5.1 SD
30、MF VMWI Message14 5.2.5.5.2 MDMF VMWI Parameter.15 5.2.5.6 Mark Bits.16 5.2.5.7 Checksum 16 5.2.5.8 Markout.16 5.2.6 Exception Handling.16 5.2.6.1 Checksum Error16 5.2.6.2 No Data Detected16 5.2.6.3 Out of Range Data 16 Copyright Telecommunications Industry Association Provided by IHS under license
31、with EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-777-A ii 5.3 PHYSICAL LINE INTERFACE.17 5.3.1 FSK Signal Properties17 5.3.1.1 Frequency17 5.3.1.2 Signal Levels17 5.3.1.3 Typ
32、e 1 FSK Signal Level Detection Threshold17 5.3.1.4 FSK Twist17 5.3.1.5 Baud Rate18 5.3.2 Impairments .18 5.3.2.1 Single Tone Metallic Noise during FSK18 5.3.2.2 Single Tone Metallic Noise before and after FSK.19 5.3.2.3 Type 1 - Echo Noise .19 5.3.2.4 Signal Dropouts During Channel Seizure19 5.3.2.5
33、 Immunity to DC Shifts, Open Switching Intervals (OSIs), and Line Reversals20 5.3.3 Type 1 DC Operating Conditions20 5.3.4 Test Matrix for the FSK Signal Properties, Including Multiple Impairments .20 6 TYPE 2 PROTOCOL.28 6.1 GENERAL .28 6.1.1 Type 2 CPE28 6.2 FUNCTIONALITY.28 6.2.1 Type 2 Call Wait
34、ing Caller ID.28 6.2.2 CAS Detection.28 6.2.2.1 CAS Detector Performance Requirements.29 6.2.2.2 CAS Recognition29 6.2.2.2.1 CAS Recognition Parameters29 6.2.2.2.2 CAS Recognition Test Matrix.30 6.2.2.3 Talkdown Performance Parameters.34 6.2.2.4 Talkoff Performance Parameters 35 6.2.2.5 CAS Check Mu
35、ting.35 6.2.3 CAS-ACK Handshake.36 6.2.3.1 Line and CPE States36 6.2.3.2 CAS-ACK Handshake Protocol36 6.2.3.2.1 CAS-ACK Handshake with Extension In Use Check.36 6.2.3.2.2 CAS-ACK Handshake Without an Extension in Use Check 38 6.2.3.3 ACK Signal Generation.39 6.2.3.4 Voicepath Mute Control39 6.3 TYPE
36、 2 MARK SIGNAL.40 6.4 PHYSICAL LINE INTERFACE.40 6.4.1 FSK Signal Properties40 6.4.1.1 Frequency40 6.4.1.2 Type 2 FSK Signal Level Detection Threshold40 6.4.1.3 FSK Twist40 6.4.1.4 Baud Rate41 6.4.2 Impairments .41 6.4.2.1 Single Tone Metallic Noise41 6.4.2.2 Immunity To DC Shifts, Open Switching In
37、tervals (OSIs), and Line Reversals.42 6.4.3 TYPE 2 DC Operating Range42 6.4.4 Test Matrix for the FSK Signal Properties, Including Multiple Impairments .42 7 TYPE 2.5 PROTOCOL50 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employees/1111111001,
38、 User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-777-A iii 7.1 GENERAL .51 7.1.1 Type 2.5 CPE 51 7.2 FUNCTIONALITY.51 7.2.1 Type 2.5 Call Waiting Caller ID with Disposition51 7.2.2 CWD Options51 7.2.2.1 Answer 51 7.2
39、.2.2 Hold .51 7.2.2.2.1 Hold Return.51 7.2.2.2.2 Hold Drop.51 7.2.2.2.3 Conference51 7.2.2.3 Forward.51 7.2.2.4 Announcement .51 7.2.2.5 Drop .51 7.2.2.6 Conference.52 7.2.2.6.1 Drop First52 7.2.2.6.2 Drop Last52 7.2.3 CWD Option Signals.52 7.2.3.1 CWD Flash Signal 52 7.2.3.2 CWD DTMF Signal52 7.2.3
40、.3 CWD Option Signal Timing.52 7.2.4 Voicepath Mute Control During CWD Option Signaling.53 8 ADJUNCT SERIES IMPEDANCE REQUIREMENTS.54 8.1 AC IMPEDANCE54 8.2 DC RESISTANCE.54 ANNEX A INFORMATIVE REFERENCES.55 ANNEX B INFORMATIVE METHOD FOR RTF INTER-CPE SIGNALING .56 1.1 INTER-CPE SIGNALING.56 1.1.1
41、Request-to-Flash Signaling .56 1.1.1.1 Request-to-Flash Signal Generation56 1.1.1.2 Request-to-Flash Signal Detection and Response.58 ANNEX C EXAMPLE FSK MESSAGES .60 ANNEX D EXAMPLES OF STEP-LIKE VOLTAGE CHANGES 62 Copyright Telecommunications Industry Association Provided by IHS under license with
42、 EIALicensee=IHS Employees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-777-A iv LIST OF FIGURES Figure 1 Timing for FSK following Power Ringing5 Figure 2 SDMF and MDMF Formats7 Figure 3 - SDMF Calling
43、 Number.9 Figure 4 - MDMF Date and Time Parameter 11 Figure 5 - MDMF Calling Number Parameter 11 Figure 6 - DDN Parameter12 Figure 7 - MDMF Reason for Absence of Directory Number Parameter .13 Figure 8 - MDMF Calling Name Parameter13 Figure 9 - MDMF Reason for Absence of Calling Name Parameter14 Fig
44、ure 10 - MDMF Call Qualifier Parameter14 Figure 11 - SDMF Visual Message Waiting Indicator Message15 Figure 12 - MDMF Visual Message Waiting Indicator Parameter.15 Figure 13 CAS-ACK Handshake Diagram with EIU Check38 Figure 14 CAS-ACK Handshake Diagram Without EIU Check.39 Figure 15 - CWD State Diag
45、ram.53 Figure 16 - CWD Signaling Timing Diagram.54 Figure 17 - CPE State Generating RTF, Multiple CPE Off-Hook, Successful Synchronized Flash.56 Figure 18 - Line State During RTF, Multiple CPE Off-Hook, Successful Synchronized Flash.57 Figure 19 - Line State During RTF, Single CPE Off-Hook 57 Figure
46、 20 - CPE State Generating RTF, Multiple CPE Off-Hook, and Unsuccessful RTF.57 Figure 21 - Line State During RTF, Multiple CPE Off-Hook, and Unsuccessful RTF.58 Figure 22 - CPE State Detecting & Responding to an RTF, Successful Synchronized Flash58 Figure 23 - Line State During RTF, Multiple CPE Off
47、-Hook, Successful Synchronized Flash.58 Figure 24 - CPE State Detecting & Responding to an RTF, Unsuccessful RTF59 Figure 25 - Line State During RTF, Multiple CPE Off-Hook, Unsuccessful RTF.59 Copyright Telecommunications Industry Association Provided by IHS under license with EIALicensee=IHS Employ
48、ees/1111111001, User=Wing, Bernie Not for Resale, 03/28/2007 23:55:34 MDTNo reproduction or networking permitted without license from IHS -,-,- TIA-777-A v LIST OF TABLES Table 1 - Message Type Values 7 Table 2 - Parameter Type Values.10 Table 3 - Type 1 FSK Positive Twist Acceptance Values.17 Table 4 - Type 1 FSK Negative Twist Acceptance Values.18 Table 5 - Type 1 Single Tone Noise Requirements19 Table 6 - Group A, Variable Level Sensitivity Tests Type 121 Table 7 - Group B, Twist Test - Nominal Otherwis