ETSI SR 002 959 V1.2.1 (2012-07)

Electronic Working Tools; Roadmap including recommendations for the deployment and usage of electronic working tools in the ETSI standardization process

RSR/BOARD-00012

General Information

• Status: Published
• Publication Date: 09-Jul-2012
• Technical Committee: BOARD - Board
• Current Stage: 12 - Completion
• Due Date: 31-Jul-2012
• Completion Date: 10-Jul-2012

Standards Content (Sample)

Special Report
Electronic Working Tools;
Roadmap including recommendations for the deployment and
usage of electronic working tools
in the ETSI standardization process

2 ETSI SR 002 959 V1.2.1 (2012-07)

Reference
RSR/BOARD-00012
Keywords
audio, environment, quality, video
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3 ETSI SR 002 959 V1.2.1 (2012-07)
Contents
Intellectual Property Rights . 6
Foreword . 6
Introduction . 6
1 Scope . 7
2 References . 7
2.1 Normative references . 7
2.2 Informative references . 7
3 Definitions and abbreviations . 8
3.1 Definitions . 8
3.2 Abbreviations . 10
4 Electronic working tools and their usage in the standardization work . 11
4.1 Electronic working tools . 11
4.1.1 Teleconferencing (audio conferencing) . 11
4.1.1.1 Terminal equipment (for speech) . 12
4.1.1.2 Audio Conference bridge/MCU . 12
4.1.1.3 VoIP vs. Analog Telephony . 12
4.1.2 Web Conferencing (desktop/screen sharing) . 13
4.1.2.1 Terminal equipment (for speech) . 13
4.1.2.2 Terminal equipment (for desktop/screen sharing) . 13
4.1.3 Video Conferencing . 13
4.1.3.1 Terminal equipment (for speech) . 13
4.1.3.2 Terminal equipment (for desktop/screen sharing) . 14
4.1.3.3 Terminal equipment (for video sharing) . 14
4.1.3.4 Audio/Video Conference bridge/MCU . 14
4.2 General Guidelines . 14
4.2.1 Selecting the appropriate tool . 14
4.2.1.1 Security . 16
4.2.1.2 Firewall settings adjustments . 16
4.2.2 Organizing electronic meetings spanning over different time zones . 16
4.2.2.1 General . 16
4.2.2.2 Electronic meetings with participants from North America and Europe . 16
4.2.2.3 Electronic meetings with participants from Europe and Asia . 16
4.2.2.4 Electronic meetings with participants from North America, Europe and Asia . 16
4.2.3 Planning the duration of electronic meetings . 17
4.2.4 Scheduling an electronic meeting . 17
4.2.4.1 Finding a date . 17
4.2.4.2 Inviting the participants . 17
4.2.5 Planning of the agenda for an electronic meeting . 17
4.2.5.1 Rough planning of the agenda . 17
4.2.5.2 Detailed planning of the agenda . 17
4.2.6 Chairing an electronic meeting . 18
5 Deployment roadmap for electronic working tools . 18
5.1 Introduction . 18
5.2 Step 1: Teleconferencing (audio conferencing) . 19
5.2.1 Guidelines for the Chairman . 19
5.2.2 Performance criteria . 19
5.2.3 Timescales for introduction . 20
5.2.4 Measured/estimated improvement . 20
5.3 Step 2: Web Conferencing (screen sharing) . 20
5.3.1 Guidelines for the Chairman . 20
5.3.2 Performance criteria . 21
5.3.3 Timescales for introduction . 21
5.3.4 Measured/estimated improvement . 21
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4 ETSI SR 002 959 V1.2.1 (2012-07)
5.4 Step 3: Web/Video Conferencing (screen sharing plus speaker on video) . 21
5.4.1 Guidelines for the Chairman . 22
5.4.2 Performance criteria . 22
5.4.3 Timescales for introduction . 22
5.4.4 Measured/estimated improvement . 22
5.5 Step 4: Web/Video Conferencing (screen sharing plus multiple participants on video) . 23
5.5.1 Guidelines for the Chairman . 23
5.5.2 Performance criteria . 23
5.5.3 Timescales for introduction . 24
5.5.4 Measured/estimated improvement . 24
5.6 Step 5: Telepresence (full video conferencing) . 24
5.6.1 Guidelines for the Chairman . 24
5.6.2 Performance criteria . 24
5.6.3 Timescales for introduction . 24
5.6.4 Measured/estimated improvement . 24
Annex A: Questionnaires for Quality of Remote meetings . 25
A.1 Overall opinion about the quality during the meeting . 25
A.1.1 What is your overall opinion about the quality of the tools provided by the meeting's system? . 25
A.1.2 What is your overall opinion about the effort required to follow and participate to the discussions? . 25
A.1.3 What is your overall opinion about the connection (speech quality) you have just been using? . 25
A.1.4 How would you assess the sound quality of the other participants' voices? . 26
A.1.5 How well did you understand what the other participants were saying? . 26
A.1.6 What level of effort did you need to understand what the other participants were saying? . 26
A.1.7 How would you assess your level of effort to converse back and forth during the conversation? . 26
A.1.8 Did you detect Impairments?. 26
A.1.9 If yes, how annoying was it? . 27
A.1.10 How would you qualify the communication? . 27
A.1.11 Did you experience any echo? . 27
A.1.12 How would you judge the degradation from echo of your own voice? . 27
A.2 Questions about the connection . 28
A.2.1 What kind of speech connection did you use? . 28
A.2.2 Did you or the other participants have any difficulty in talking or hearing over the connection? . 28
A.2.3 How did you find the voices of the other participants? . 28
A.2.4 If there was noise on the connection, how annoying was it? . 28
A.3 Information on the meeting system . 29
A.3.1 The meeting system provided the desired information . 29
A.3.2 The provided information was: . 29
A.4 User's overall impression of the system . 29
A.4.1 Overall, you are satisfied with the meeting system . 29
A.4.2 You perceived the meeting arrangement as: . 29
A.5 Questions on the usage of electronic tools . 30
A.5.1 Prior to the meeting . 30
A.5.1.1 How was the Information about the meeting arrangements? . 30
A.5.1.2 Was it easy to join the electronic mee ting? . 30
A.5.1.3 If you had any difficulty to join the electronic meeting, could you indicate why? . 30
A.5.2 During the meeting . 30
A.5.2.1 Was it easy to use the Chat feature? . 30
A.5.2.2 Was it easy to use the Hand Raise feature? . 30
A.5.2.3 Was it easy to use the Mute/Unmute feature? . 31
A.5.3 After meeting . 31
A.5.3.1 Was it easy to access the meeting recorded information? . 31
A.5.3.2 Was it easy to produce the meeting reports? . 31
A.5.3.3 Was it easy to access the meeting archives? . 31
Annex B: Additional elements to be taken into account . 32
B.1 Different types of equipment . 32
B.2 Lip synchronisation . 32
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5 ETSI SR 002 959 V1.2.1 (2012-07)
B.3 Speech bandwidth . 33
B.4 Chat . 33
B.5 Room acoustics and electroacoustic equipment positioning . 33
B.6 User experience . 34
Annex C: Bibliography . 35
C.1 For speech terminals . 35
C.2 User related QoS . 35
C.3 Speech quality (subjective assessment) . 35
C.4 Multimedia quality (subjective assessment) . 36
C.5 Audiovisual QoS for communication over IP networks . 36
History . 37

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6 ETSI SR 002 959 V1.2.1 (2012-07)
Intellectual Property Rights
IPRs essential or potentially essential to the present document may have been declared to ETSI. The information
pertaining to these essential IPRs, if any, is publicly available for ETSI members and non-members, and can be found
in ETSI SR 000 314: "Intellectual Property Rights (IPRs); Essential, or potentially Essential, IPRs notified to ETSI in
respect of ETSI standards", which is available from the ETSI Secretariat. Latest updates are available on the ETSI Web
server (http://ipr.etsi.org).
Pursuant to the ETSI IPR Policy, no investigation, including IPR searches, has been carried out by ETSI. No guarantee
can be given as to the existence of other IPRs not referenced in ETSI SR 000 314 (or the updates on the ETSI Web
server) which are, or may be, or may become, essential to the present document.
Foreword
This Special Report (SR) has been produced by the ETSI Board GREEN AGENDA strategic topic group.
Introduction
The present document describes high level guidance for the use of electronic working tools considering performance,
privacy and security, with a phased introduction of the collaboration tools necessary for effective remote participation in
ETSI. The present document provides recommendations on when to use GoToWebinar and when to use GoToMeeting,
and also takes into account the time zone differences to ensure the maximum participation of members to electronic
meetings.
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7 ETSI SR 002 959 V1.2.1 (2012-07)
1 Scope
The present document describes electronic working tools, and a roadmap for their implementation including guidelines
for the deployment and usage in the ETSI standardization process.
Annexes provide additional information on questionnaires to be completed by the users of these tools, concerning
technical issues and standards that could help manufacturers to develop such tools.
2 References
References are either specific (identified by date of publication and/or edition number or version number) or
non-specific. For specific references, only the cited version applies. For non-specific references, the latest version of the
reference document (including any amendments) applies.
Referenced documents which are not found to be publicly available in the expected location might be found at
http://docbox.etsi.org/Reference.
NOTE: While any hyperlinks included in this clause were valid at the time of publication, ETSI cannot guarantee
their long term validity.
2.1 Normative references
The following referenced documents are necessary for the application of the present document.
Not applicable.
2.2 Informative references
The following referenced documents are not necessary for the application of the present document but they assist the
user with regard to a particular subject area.
[i.1] EBU Recommendation R37-2007: "The relative timing of the sound and vision components of a
television signal".
Speech Terminals
[i.2] ETSI ES 202 740: "Speech and multimedia Transmission Quality (STQ);Transmission
requirements for wideband VoIP loudspeaking and handsfree terminals from a QoS perspective as
perceived by the user".
[i.3] ETSI ES 202 739: "Speech and multimedia Transmission Quality (STQ);Transmission
requirements for wideband VoIP terminals (handset and headset) from a QoS perspective as
perceived by the user".
[i.4] ETSI ES 202 738: "Speech and multimedia Transmission Quality (STQ);Transmission
requirements for narrowband VoIP loudspeaking and handsfree terminals from a QoS perspective
as perceived by the user".
[i.5] ETSI ES 202 737: "Speech and multimedia Transmission Quality (STQ);Transmission
requirements for narrowband VoIP terminals (handset and headset) from a QoS perspective as
perceived by the user".
QoS and network performance metrics and measurement methods
[i.6] ETSI ES 202 765-2: "Speech and multimedia Transmission Quality (STQ); QoS and network
performance metrics and measurement methods; Part 2 : Transmission Quality Indicator
combining Voice Quality Metrics".
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8 ETSI SR 002 959 V1.2.1 (2012-07)
[i.7] ETSI ES 202 765-4: "Speech and multimedia Transmission Quality (STQ); QoS and network
performance metrics and measurement methods; Part 4: Indicators for supervision of Multiplay
services".
Specification and measurement of speech transmission quality
[i.8] ETSI EG 201 377-1: "Speech and multimedia Transmission Quality (STQ); Specification and
measurement of speech transmission quality; Part 1: Introduction to objective comparison
measurement methods for one-way speech quality across networks".
[i.9] ETSI ES 201 377-2: "Speech and multimediaTransmission Quality (STQ); Specification and
measurement of speech transmission quality; Part 2: Mouth-to-ear speech transmission quality
including terminals".
[i.10] ETSI EG 201 377-3: "Speech Processing, Transmission and Quality Aspects (STQ); Specification
and measurement of speech transmission quality; Part 3 : Non-intrusive objective measurement
methods applicable to networks and links with classes of services".
Audiovisual QoS for communication over IP networks
[i.11] ETSI ES 202 667: "Speech and multimedia Transmission Quality (STQ); Audiovisual QoS for
communication over IP networks".
[i.12] ITU-R Recommendation BT.1359-1: "Relative timing of sound and vision for broadcasting".
[i.13] ETSI ETS 300 807: "Integrated Services Digital Network (ISDN); Audio characteristics of
terminals designed to support conference services in the ISDN".
3 Definitions and abbreviations
3.1 Definitions
For the purposes of the present document, the following terms and definitions apply:
application sharing: feature of many web conferencing applications that enables the conference participants to
simultaneously share the same application
NOTE: The application itself resides on only one of the machines connected to the conference.
attendee (or participant): any person who joins a conference call or an electronic meeting with no pre-specified role
NOTE: By default, attendees can view the presenter's screen. An attendee may remotely control the presenter's
computer screen if assigned the function. An attendee may optionally chat with other attendees, use
drawing tools or view the participants list.
blog: web page that is made up of information about a particular subject, in which the newest information is always at
the top of the page
chairman: presiding officer of a meeting who has the responsibility to determine the agenda for each meeting, and
ensure that everyone operates in an efficient manner and in accordance with any previously agreed rules
chat: online real-time electronic text based conversation on the same screen (room) between two users or all users
viewing the same screen
co-located participants: participants to an electronic meeting located in the same physical room
conferencing terminal: equipment that allows real-time point-to-point communications as well as multicast
communication
control panel: gives organizers, panellists and attendees access to various in-session functions in the frame of an
electronic meeting
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9 ETSI SR 002 959 V1.2.1 (2012-07)
desktop/screen sharing: feature of many web conferencing applications that enables the conference participants to
simultaneously view (the contents of) the presenter's desktop
NOTE: The desktop itself resides on only one of the machines connected to the conference.
drawing tools: feature that allows organizers and panelists to use annotation tools to highlight elements of their
presentation content
NOTE: These tools include highlighter, pen, spotlight and arrow functions.
electronic mail: computer-based messaging system where electronic text files (e-mails) can be exchanged across
gateways linking different computer networks through the internet
host: person in charge of the organization of a physical meeting with co-located participants and remote participants
NOTE: The host has to ensure that the necessary Internet bandwidth is provided at the physical meeting place as
well as the relevant conferencing terminals (and/or required audio/video equipment).
keyboard/mouse control: feature that allows organizers grant keyboard and mouse control to attendees during
meetings
organizer: person with the corresponding account, who schedules, starts, manages and ends an electronic meeting
NOTE: An organizer can temporarily designate other attendees to be organizers or panelists (there can be
simultaneously more than one organizer). Once an electronic meeting starts, the initial organizer is the
default presenter and may either begin presenting or pass the presenter controls to any other organizer or
panelist. The organizer can grant and revoke attendee privileges, such as passing the presenter role,
sharing keyboard and mouse, inviting and dismissing attendees.
panellist: guest who will be presenting (guest speaker) or answering questions (subject-matter expert) forwarded to
him/her during a Webinar
NOTE: A panellist can be promoted to presenter at any time during the Webinar. An attendee can be promoted to
a panellist.
participant (or Attendee): any person who joins a conference call or an electronic meeting with no pre-specified role
NOTE: By default, participants can view the presenter's screen. A participant may remotely control the presenter's
computer screen if assigned the function. A participant may optionally chat with other participants, use
drawing tools or view the participants list.
practice Session: allows organizers to practice their Webinar before going live
NOTE: Only organizers and panellists can join a Practice Session.
presenter: person showing his or her desktop to the electronic meeting audience
NOTE: The organizer is always designated as the first presenter. The presenter role can then be passed to another
organizer, panelist or attendee. Presenters can show their complete desktops, a clean screen (with no icons
or taskbar) or a specific application window to all attendees. Presenters may choose to pause showing
their desktops or applications at any time. Presenters may grant other organizers or panelists the ability to
control the presenter's mouse and keyboard.
pre-session waiting room: screen displayed any time attendees wait for a presenter to begin showing his or her screen
Q&A: feature that allows attendees to send text questions to organizers and panelists, who can respond with answers
privately or to the entire audience
raise hand: feature that allows the participants of an electronic meeting to ask for microphone rights
NOTE: If the Chairman (with organizer rights) acknowledges an attendee's raised hand by "accepting" it, that
allows the participant voice rights.
recording: feature that allows organizers to record meetings for later playback
NOTE: If an attendee is promoted to the role of organizer, he or she will be enabled to record the meeting.
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remote access: access to a meeting through an electronic tool
remote collaboration: opportunity given to participants to be fully involved into an electronic or physical meeting
through an electronic tool (e.g. online edition of a shared document)
remote participants: participants to a meeting through an electronic tool
secretary: person who has similar roles to a secretary in a physical meeting
viewer window: window that appears during an electronic meeting on the attendee's computer displaying the
presenter's desktop or shared application
web conferencing: refers to a service that allows conferencing events to be shared with remote locations
NOTE: In general the service is made possible by Internet technologies, particularly on TCP/IP connections. The
service allows real-time point-to-point communications as well as multicast communications from one
sender to many receivers. It offers information of text-based messages, voice and video chat to be shared
simultaneously, across geographically dispersed locations. Applications for web conferencing include
meetings, events, or short presentations from any computer.
wiki: website whose users can add, modify, or delete its content via a web browser using a simplified markup language
or a rich-text editor
NOTE: Wikis are typically powered by wiki software and are often used to create collaborative websites, to
power community websites, for personal note taking, in corporate intranets, and in knowledge
management systems.
3.2 Abbreviations
For the purposes of the present document, the following abbreviations apply:
AES Advanced Encryption Standard
CEST Central European Summer Time
CET Central European Time
CPU Central Processing Unit
CSN Circuit Switching Network
DECT Digital Enhanced Cordless Telephone
DST Daylight Saving Time
DVB Digital Video Broadcasting
EBU European Broadcasting Union
EG ETSI Guide
ES ETSI Standard
ETS ETSI Technical Specification
ETSI European Telecommunications Standards Institute
HF Human Factors
HTTP HyperText Transfer Protocol
IEC International Electrotechnical Commission
IETF Internet Engineering Task Force
IP Internet Protocol
IPR Intellectual Property Rights
ISDN Integrated Services Digital Network
ISO International Organization for Standardization
ITU International Telecommunication Union
ITU-R ITU Radiocommunication Sector
ITU-T ITU Telecommunication Standardization Sector
JTC Joint Technical Committee
M2M Machine-To-Machine
MCU Multipoint Control Unit
PC Personal Computer
PLMN Public Land Mobile Networks
PSN Packet Switching Network
PSTN Public Switched Telephone Network
QoS Quality of Service
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RAM Random Access Memory
SD Standing Document
SMS Short Message System
SR Special Report
SSL Secure Socket Layer
STF Specialist Task Force
STQ Speech and multimedia Transmission Quality
TC Technical Committee
US United States
USB Universal Serial Bus
UTC Universal Time Coordinated
VoIP Voice over Internet Protocol
4 Electronic working tools and their usage in the
standardization work
Several kinds of electronic tools may be used.
Some of them are to be used in real-time and simultaneously by the participants, others do not need the participants to
be connected simultaneously.
The priority should be given, as far as possible, by ETSI to the provision and use of open and standardized tools. These
tools should avoid as much as possible any intrusion on the Personal Computers of the participants. Privacy, security
and access for all should be also major criteria to be taken into account.
The ETSI STF 354 website contains guidelines derived from the main known empirical user test results when user
experience has been examined for one or more technical parameter. The user experience of an electronic working tool
can be expected to vary according to many characteristics of the users, their communication purpose, the
communication situation and technical parameters of the communication service. This information is available at:
http://portal.etsi.org/stfs/STF_HomePages/STF354/.
Detailed information on these guidelines is available in annex B.
4.1 Electronic working tools
As indicated in the introduction, different types of electronic working tools may be used depending on the types of
participations planned:
Case 1: If all the participants are located in different physical locations and are using individual tools,
these tools are mainly implemented on Personal Computers and are using the interfaces available
on the Personal Computer (or that may be connected to the PC, e.g. headsets) and may be
associated to phone terminals and conference bridges.
Case 2: If some participants are located in one meeting room, the other participants are using individual
tools, special attention should be paid to the equipment in the meeting room: all the participants in
the meeting room should be close to the microphones to avoid impairment from background noises
and room reverberation. The number of loudspeakers and their locations should be implemented to
ensure the best hearing to the local participants and to avoid any howling. The distant users will
use equipment similar to case 1.
Case 3: When several groups of participants are located in different locations using group tools,
telepresence systems could be used.
4.1.1 Teleconferencing (audio conferencing)
A teleconference offers the possibility to several participants in different locations to participate to a meeting by means
of telephones connected to a central switching unit.
Telephone conference is a very powerful tool as long as the speech quality is good enough for all the participants.
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4.1.1.1 Terminal equipment (for speech)
The participants to teleconferences may use different types of terminal equipment. The quality provided by this terminal
equipment may have a strong impact on the quality.
References [i.2], [i.3], [i.4] and [i.5] provide requirements for speech terminals providing good speech quality.
Wider speech bandwidth may also improve the quality and, in particular, the intelligibility and the naturalness of the
participants speeches.
The different types of terminal equipment may be defined as:
For individual usage:
• Headset (connected to a personal computer);
For optimum audio quality, we recommend a USB headset connected to the computer, or USB headphones
and standalone microphone connected to the computer. It is not recommended to use the microphone and
speakers built in to the laptop or separate USB webcam.
• Handset terminals; and
• Handsfree terminals.
For collective usage (several users located in the same room):
• Group Audio Terminals; and
• Conference Phones.
The most traditional way of conducting teleconferences involves gathering onsite participants in a room and
calling other participants on the phone. Good sound quality is critical for keeping concentration levels high
and meetings efficient in this situation and expansion microphones can more than double the phone's pickup
range, allowing more people to actively participate.
4.1.1.2 Audio Conference bridge/MCU
An audio conference bridge, or Multipoint Control Unit (MCU), is a device in audio conferencing capable of mixing
audio from multiple endpoints (audio terminals) to create one single audio conference or virtual meeting space. The
MCU collects information about the capabilities of the systems at each of the audio conference endpoints and sets the
conference at the lowest common denominator so that everyone can participate.
More detailed information is available in annex B.
4.1.1.3 VoIP vs. Analog Telephony
The two technologies differ in the way how data is transmitted:
• VoIP technology, based on Packet Switching Network (PSN), converts voice signals into packets of data and
sends them through the Internet. These packets reach their destination and are converted back into voice;
• standard analog telephony technology uses Circuit Switching Network (CSN) where the user is connected to
the receiver by means of electric circuits;
and the two technologies have their own advantages and disadvantages:
• VoIP is easier to use in the frame of an online meeting (calling process greatly simplified);
• VoIP can provide the same quality of service as regular telephony, while utilizing cost-effective internet
technologies (avoidance of long distance charges);
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however:
• VoIP requires high-speed Internet connections (384 kbps or better, per attendee);
• VoIP quality of sound can be severely affected by the traffic on the Internet.
4.1.2 Web Conferencing (desktop/screen sharing)
Web conferencing is a form of real-time communications in which multiple computer users, all connected to the
Internet, see the same screen at all times in their Web browsers. Some Web conferencing systems include features such
as Chat, VoIP (Voice over IP) and full-motion video.
Web conferencing allows users to carry on meetings and seminars, make presentations, and conduct demonstrations.
Control of the session can be passed among users so that any attendee can act as the main presenter. The most effective
Web conferencing solutions require high-speed Internet connections at all user sites.
Several vendors offer Web conferencing services for a nominal monthly fee. System requirements are modest. Most
personal computers have sufficient resources to use Web conferencing through their existing browsers. Installation of
the supporting software, if any, is easy and there is practically no learning curve.
4.1.2.1 Terminal equipment (for speech)
See clause 4.1.1.
4.1.2.2 Terminal equipment (for desktop/screen sharing)
It is recommended that the meeting organizer uses the following equipment:
• Windows-based or Mac/OS-based device with the latest version of operating system and web browser,
connected to a video-projector for the co-located participants;
• high-speed Internet connection.
It is recommended that the organizer's equipment complies with the following requirements for recording the meeting
(optional):
• Windows Media® Player Version 9.0 or newer;
• 1 024 x 768 or higher screen resolution;
• 1 GB of hard disk space.
It is recommended that the participants use the following equipment:
• Windows-based or Mac/OS-based device with the latest version of operating system;
• High-speed Internet connection.
4.1.3 Video Conferencing
Video conferencing refers to real-time video and audio sessions, meetings and discussions between two or more users in
two or more locations.
4.1.3.1 Terminal equipment (for speech)
See clause 4.1.1.
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4.1.3.2 Terminal equipment (for desktop/screen sharing)
See clause 4.1.2.
4.1.3.3 Terminal equipment (for video sharing)
It is recommended that the meeting organizer and the remote participants use:
• PC equipped with a dual core 1,6 GHz CPU and 2 Gb RAM;
• webcam and microphone;
• high-speed Internet connection with at least 700 Kbps of Internet bandwidth per participant.
4.1.3.4 Audio/Video Conference bridge/MCU
An audio/video conference bridge, or Multipoint Control Unit (MCU), is a device in audio/videoconferencing capable
of mixing audio and video from multiple endpoints (audio/video terminals) to create one single audio/video conference
or virtual meeting space. The MCU collects information about the capabilities of the systems at each of the
audio/videoconference endpoints and sets the conference at the lowest common denominator so that everyone can
participate.
More detailed information is available in annex B.
4.2 General Guidelines
4.2.1 Selecting the appropriate tool
The Chairman should map her/his requirements to table 1 and identify which tool would best fit.
Some requirements imply that one particular tool shall be selected (e.g. videoconference is only available with
® ®
GoToMeeting whereas the "Raise Hand" feature is only offered by GoToWebinar ), and some others can be fulfilled
by both tools.
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15 ETSI SR 002 959 V1.2.1 (2012-07)
Table 1: Electronic tools comparison table
® ® Other tool
REQUIREMENTS
GoToMeeting GoToWebinar
Number of attendees Up to 25 Up to 1 000
Real-time video �
Instant meeting initiation or meeting scheduling in
� �
advance
� �
Desktop sharing
Application sharing � �
Audio conferencing via telephone and/or VoIP � �
Keyboard and mouse control sharing � �
Recording � �
Drawing tools � �
� �
Chat (see note 1)
Customizable invitation and registration �
Automated reminder emails and follow-up �
Polls and surveys �
Raise Hand �
...