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BT MeetMe VoIP Services

BT MeetMe VoIP Services allow participants to join BT MeetMe reservationless conferences via VoIP (internet), provided the Webex was scheduled by a host enabled with BT MeetMe VoIP or BT MeetMe with Dolby Voice integrated with Webex.

Topics

Installation Guide

Download the latest Installation Guide.

Quick Specs

The following end-user requirements must be met to use the BT MeetMe VoIP Services client in conjunction with Cisco Webex.

BT MeetMe VoIP
(G711 codec)
BT MeetMe with Dolby Voice
(Dolby codec)
Computer Memory Minimum of 300 MB of free RAM At least 2 GB of total RAM
OS
Windows 7 32-bit / 64-bit
Windows 8 32-bit / 64-bit
Windows 8.1 32-bit / 64-bit
Windows 10 32-bit / 64-bit
Mac OS X 10.11 (El Capitan)
Mac OS X 10.12 (Sierra)
Mac OS X 10.13 (High Sierra)
Networking ACLs
DTLS over UDP on port 7955
TLS over TCP on port 443

Note: Your corporate firewall ACLs may need updating prior to use.
Learn more.
Browser
Internet Explorer 10, 11 (Windows only)
Safari (Mac OS X only)
Firefox
Chrome

Note: Required for software download, viewing FAQs, User Guides, etc.
Headset

The following headsets have been tested by Dolby and approved to work optimally with the BT MeetMe with Dolby Voice plug-in:

  • Jabra®: BIZ 2400 Duo, Evolve 40 UC, UC Voice 750 Duo, UC Voice 550 Duo, BIZ 2300 Duo, BIZ 2400 II Duo, Evolve 30 Stereo, Evolve 80 Stereo
  • Logitech®: H570e, H650e, HD Webcam C310
  • Plantronics®: C320, C320M, C325, C325.1, C325M, C325M.1, C520, C520M, C720, C720M, C725M, Voyager Focus
  • Sennheiser®: SC 60, SC 60 USB CTRL, SC 260 USB, SC 260 USB CTRL, SC 260 USB CTRL II

Other headsets may work, but are not supported.

Framework Windows:   Microsoft .Net 4.0 Full, or Microsoft .Net 4.5 must be installed
Mac OS X:  No additional dependencies are required
Bandwidth Fixed Bitrate G.711 Codec + Secure Tunnel Client Connection to BT Conferencing, Inc.

118 Kbps downstream,
118 Kbps upstream

Note: This bandwidth is in addition to any Cisco Webex bandwidth requirements.
Variable Bitrate Dolby DVC-2 Codec + Secure Tunnel Client Connection to BT Conferencing, Inc.

DTLS Over UDP:
22 Kbps upstream (average),
85 Kbps upstream (peak);
64 Kbps downstream (average),
135 Kbps downstream (peak)

TLS Over TCP:
26 Kbps upstream (average),
104 Kbps upstream (peak);
49 Kbps downstream (average),
116 Kbps downstream (peak)

Note: This bandwidth is in addition to any Cisco Webex bandwidth requirements.

Key Points

  • Headset must be used - If sound is coming from the computer, check that the mic and speakers are configured for the USB headset
  • Making the VoIP connection - Once the installation is complete you will be prompted with a new choice in the Webex "Audio Connection" popup: Call Using Computer
  • VoIP quality is impacted by several key factors including:
    • memory available in your machine
    • network bandwidth and traffic
    • type of connection to router (wired or wireless)
    • type of headset being used
    If you are having quality issues:
    • check the Quick Specs (shown in the table above)
    • contact the BT help desk or your IT department for assistance
  • For access issues check with your system administrator

Firewall Settings

Required Firewall Settings

The table below outlines the mandatory requirements to establish a secure tunnel between a Customer and the BT Network for the following clients: Dolby Web Client, Dolby Conference Phone, Dolby Mobile App and BT VOIP.

Function - Mandatory Protocol Ports Destination
DTLS Tunnel (SIP Signalling / RTP Media)
NOTE: Mandatory
UDP 7955 209.235.5.0/27
8.20.209.0/27
62.239.20.64/27
62.239.15.124/32
217.36.188.192/27
115.160.141.48/28
216.98.191.64/27
Client Download
Call Control & In Conference Control
Customer support collateral
Web Traffic / Screen Sharing
NOTE: Mandatory
TCP 443 *.bt.com
*.btci.com
*.btconferencing.com
*.btconferencing.co.uk
*.webex.com
*.webjoin.com

For the Dolby Conference Phone please also refer to the Dolby Conference documentation located here: http://www.globalservices.bt.com/uk/en/products/dolby-conference-phone#tab3

Customer IT Managers who experience difficulty in establishing a secure tunnel with the BT Network when using the above settings must contact their BT Sales Engineer. Your BT Sales Engineer will assess the problem and may advise you to implement the following additional settings:

Optional Firewall Settings

The table below outlines some additional requirements that may be required to establish a secure tunnel between a Customer and the BT Network for the following clients: Dolby Web Client, Dolby Conference Phone, Dolby Mobile App and BT VOIP.

These settings must only be used under guidance from your BT Sales Engineer.

Function - Optional Protocol Ports Destination
TLS Tunnel (SIP Signalling / RTP Media) TCP 443 209.235.5.0/27
8.20.209.0/27
62.239.20.64/27
62.239.15.124/32
217.36.188.192/27
115.160.141.48/28
216.98.191.64/27
NOTES: Optional - Connectivity in failover conditions may be possible using TLS over TCP port 443. This will only be done through mutual agreement after consultation with the BT Sales Engineer as TLS over TCP is expected to deliver a degraded service and is not recommended for media.
You must consult your BT Sales Engineer prior to using these settings.

Availability

Access to BT MeetMe VoIP Services is permitted in the following countries [this list is subject to change]:

Akrotiri, Albania, Angola, Argentina, Armenia, Australia, Austria, Azerbaijan, The Bahamas, Bahrain, Bangladesh, Belgium, Bolivia, Bosnia and Herzegovina, Brazil, Brunei, Bulgaria, Canada, Chile, China, Colombia, Costa Rica, Croatia, Cyprus, Czech Republic, Denmark, Dhekelia, Ecuador, El Salvador, Estonia, Faroe Islands, Finland, France, Georgia, Germany, Ghana, Hong Kong, Hungary, Iceland, India, Indonesia, Ireland, Isle of Man, Gibraltar, Greece, Greenland, Guam, Guatemala, Guernsey, Holy See (Vatican City), Israel, Italy, Jamaica, Jan Mayen, Japan, Jersey, Jordan, Kazakhstan, Korea South, Latvia, Lithuania, Luxembourg, Macedonia, Malaysia, Malta, Mexico, Monaco, Montenegro, Morocco, Netherlands, New Zealand, Nicaragua, Norway, Pakistan, Panama, Paraguay, Peru, Philippines, Poland, Portugal, Romania, Russia, San Marino, Singapore, Slovakia, Slovenia, South Africa, Spain, Sri Lanka, Svalbard, Sweden, Switzerland, Taiwan, Tajikistan, Thailand, Turkey, Turkmenistan, Ukraine, United Kingdom, United States, Uruguay, Uzbekistan, Venezuela, Vietnam, Zambia.