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TIA-470.330 - Telecommunications Telephone Terminal Equipment Digital Telephone Answering Device Performance Requirements
March 23, 2012 - TIA

This standard provides performance requirements for Customer Premises Equipment (CPE) incorporating a Telephone Answering Device (TAD) and intended for analog wireline connection to the Public Switched Telephone Network (PSTN). Devices meeting these requirements should ensure...

ITU-T F.746.3 - Intelligent question answering service framework
November 1, 2015 - ITU-T

This Recommendation provides an overview of the intelligent question answering service (IQAS) framework and describes the features, general requirements and functionality which form a framework to support the intelligent question answering (QA) service. The scope of this...

IETF RFC 7090 - Public Safety Answering Point (PSAP) Callback
April 1, 2014 - IETF

After an emergency call is completed (terminated either prematurely by the emergency caller or normally by the call taker), the call taker may feel the need for further communication. For example, the call may have been dropped by accident without the call taker having sufficient information about...

IETF RFC 5373 - Requesting Answering Modes for the Session Initiation Protocol (SIP)
November 1, 2008 - IETF

This document extends SIP with two header fields and associated option tags that can be used in INVITE requests to convey the requester's preference for user-interface handling related to answering of that request. The first header, "Answer-Mode", expresses a preference as to whether...

IETF RFC 7195 - Session Description Protocol (SDP) Extension for Setting Audio and Video Media Streams over Circuit-Switched Bearers in the Public Switched Telephone Network (PSTN)
May 1, 2014 - IETF

This memo describes use cases, requirements, and protocol extensions for using the Session Description Protocol (SDP) offer/answer model for establishing audio and video media streams over circuit-switched bearers in the Public Switched Telephone Network (PSTN).

UL 1863 - UL Standard for Safety Communications-Circuit Accessories
May 14, 2004 - UL

These requirements cover telecommunications-circuit accessories, such as jack and plug assemblies, quick-connect terminal assemblies, telephone wall plates, telephone extension cords, cross-connect terminal-block assemblies, maintenance terminal modules, terminal enclosures,...

UL 1459 - UL Standard for Safety Telephone Equipment
September 21, 1995 - UL

These requirements cover telecommunications (telephone) equipment (see 3.49, such as telephone answering devices, residential telephone instruments, telephone dialers, cordless phones, key systems, and private branch exchange equipment, intended to be electrically...

ITU-T H.248.62 - Gateway control protocol: Re-answer package
June 1, 2008 - ITU-T

This Recommendation defines an H.248 package in order to request the MG to detect re-answer line signal on a particular TDM termination which supports CAS signalling, and to notify the MGC when the signal is detected. The re-answer capability supplements the basic call service and...

TIA-631 - Telecommunications Telephone Terminal Equipment Radio Frequency Immunity Requirements
February 15, 2011 - TIA

This standard specifies Radio Frequency (RF) immunity performance criteria for two-wire Telephone Terminal Equipment (TTE) having an acoustic output and two-wire TTE adjunct devices with connection port for Telephone Terminal Equipment (TTE) having an acoustic output. Acoustic output...

ITU-T S.19 - CALLING AND ANSWERING IN THE TELEX NETWORK WITH AUTOMATIC TERMINAL EQUIPMENT
November 1, 1988 - ITU-T

General This Recommendation describes a method of originating and answering calls on the 50-baud telex network by means of an automatic terminal using a simple telegraph-type interface for the exchange of data or messages. The equipment that processes these data or messages at the terminal...

UL 497A - UL Standard for Safety Secondary Protectors for Communications Circuits
March 20, 2001 - UL

These requirements cover secondary protectors for use in single- or multiple-pair-type communications circuits that are intended to be installed in accordance with Article 800 of the National Electrical Code, ANSI/NFPA 70. Secondary protectors are intended to be used in the protected side of...

CSA ISO/IEC 13714 - Information Technology - Document Processing and Related Communication - User Interface to Telephone-Based Services - Voice Messaging Applications
January 1, 1996 - CSA

This International Standard will provide users of voice messaging systems with a consistent mode of interaction in a way that is independent of the underlying system implementations. The interface is based on a set of design guidelines annexed to this International Standard. The interface supports...

IETF RFC 8198 - Aggressive Use of DNSSEC-Validated Cache
July 1, 2017 - IETF

The DNS relies upon caching to scale; however, the cache lookup generally requires an exact match. This document specifies the use of NSEC/NSEC3 resource records to allow DNSSEC-validating resolvers to generate negative answers within a range and positive answers from wildcards. This...

IETF RFC 8035 - Session Description Protocol (SDP) Offer/Answer Clarifications for RTP/RTCP Multiplexing
November 1, 2016 - IETF

Introduction RFC 5761 [RFC5761] specifies how to multiplex RTP data packets and RTP Control Protocol (RTCP) packets on a single UDP port, and how to negotiate usage of such multiplexing using the SDP offer/answer mechanism [RFC3264] with an "a=rtcp-mux" attribute. However, the text is...

DS/CWA 17027-113 - Business Interoperability Interfaces for Public Procurement in Europe – E-Tendering – Part 113: Profile BII48 Call for Tenders Questions and Answers
September 1, 2016 - DS

The BII Profile 48 Call for tenders questions and answers profile describes a process providing electronic messaging support for the business process of answering questions of economic operators about a call for tenders. The key aspects covered by this profile are: - The contracting...

DS/CWA 17027-115 - Business Interoperability Interfaces for Public Procurement in Europe – E-Tendering – Part 115: Profile BII50 Tender Clarification
September 1, 2016 - DS

Profile BII50 Tender Clarification profile describes electronic messaging support for the business process of answering questions of a contracting body about a tender. The key aspects covered by this profile are: - The economic operator has submitted a tender - The contracting body has...

Answer Plans for the MRCGP
April 21, 2014 - CRC

Answer Plans for the MRCGP offers an invaluable opportunity for readers to assess their exam technique. Many formats are covered in the 70 questions, and these are accompanied by full suggested answers incorporating current evidence in the form of guidelines, reviews, and up-to-date...

ATIS 0600401.04 - Network to Customer Installation Interfaces – Analog Voicegrade Switched Access Lines with the Call Waiting, Distinctive Call Waiting, or Calling Identity Delivery on Call Waiting Feature
January 1, 2000 - ATIS

This standard provides the requirements associated with three different types of call waiting supplemental features that may be used on analog voicegrade switched access lines with loop-start signaling. The three features are called: - Call Waiting (CW); - Distinctive Call Waiting (DCW); - Calling...

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