The variety of product cut sheets, websites, and online descriptions can make it hard to figure out exactly how products stack up against each other. Below are two comparisons, one for standards-based and one for consumer-grade applications, with the main products within each category stacked up against a variety of measures.
Consumer-Grade Desktop Videoconferencing Applications
The following table looks at the basic features and functions of the desktop videoconferencing applications that are standards-based.
Manufacturer |
Lifesize |
Polycom |
Polycom |
Tandberg / Cisco |
Vidyo |
---|---|---|---|---|---|
Product Name |
Desktop |
CMA |
PVX |
Movi |
Desktop |
Product Version |
2.0 |
5.0 |
8.0 |
4.0 |
2.0 |
Supported OS |
Windows XP, Vista |
Windows XP, Vista, 7, Mac OS X |
Windows XP, Vista, 7 |
Windows XP, Vista, 7, Mac OS X |
Windows XP, Vista, 7, Mac OS X |
Computer Requirements |
Pentium 4 2 GHz Pentium M 1.8 GHz Core Duo 2 GHz Core 2 Duo 2 GHz |
Pentium 4 1.5 GHz Quad Core Duo 2 GHz |
PIII 1 GHz Pentium 4 1.5 GHz Pentium 4 2.2 GHz |
Atom 1.6 GHz Core Duo 1.2 GHz |
Pentium 4 2 GHz |
Bandwidth Requirements |
128 Kbps – 1 Mbps |
128 Kbps or greater |
64 Kbps or greater |
24 Kbps – 8 Mbps |
128 Kbps or greater |
Infrastructure Requirements |
Lifesize MultiPoint (multipoint conferencing), Lifesize Transit (NAT traversal) |
CMA Server, E-Box (B2B communication), S-Box (NAT Traversal) |
Traditional Bridge or MCU for multi-point conference |
Tandberg Management Suite, Video Communication Server, VCS Expressway (NAT Traversal)
|
VidyoRouter, VidyoProxy (NAT Traversal), VidyoGateway (communication with other systems) |
SIP |
X |
X |
X |
X |
X |
H.323 |
– |
X |
X |
X |
X |
H.264 |
X |
X |
X |
X |
X |
H.264 – SVC |
– |
– |
– |
– |
X |
Encryption |
X |
X |
X |
X |
X |
Far-End Control |
– |
X |
X |
X |
– |
Content Sharing |
– |
X |
X |
X |
X |
Instant Messaging |
– |
– |
– |
– |
– |
File Transfer |
– |
– |
– |
– |
– |
Streaming Serial Data |
– |
– |
– |
– |
– |
Presence Detection |
– |
X |
– |
X |
X |
NAT / Firewall Traversal |
X |
X |
X |
X |
X |
Multi-Point Conferencing |
X* |
X* |
X* |
X |
X* |
Internal / External Server |
None |
Internal |
None |
Internal |
Internal |
High Definition |
X |
X |
X |
X |
X |
*Multi-point conferencing and NAT / Firewall Traversal for these applications may require an additional piece of hardware, either as an additional server or as another VTC infrastructure component.
AOL |
Apple |
Microsoft |
Oovoo |
Skype |
Yahoo! |
|
---|---|---|---|---|---|---|
Product Name |
AIM |
iChat |
Live Messenger |
Oovoo |
Skype |
Messenger |
Product Version |
7.4 |
5.0 |
“Wave 4” |
2.8 |
4.0 |
10 |
Supported OS |
Windows 2000or higher, Mac OS X |
Mac OS X |
Windows Vista, 7, Mac OS X |
Windows XP, Vista, 7, Mac OS X |
Windows XP, Vista, 7, Mac OS X |
Windows XP, Vista, 7, Mac OS X |
Computer Requirements |
PIII 200Mhz or higher |
PowerPC G5 1 GHz |
1.6 GHz |
Pentium 4 Or PowerPC G5 1 GHz |
Pentium 4 1 GHz PowerPC G4 or G5 800 MHz |
1 GHz |
Bandwidth Requirements |
128 Kbps |
128 Kbps |
128 Kbps |
128 Kbps |
128 Kbps |
128 Kbps |
Infrastructure Requirements |
None |
Mac Server OS X for hosting the server; nothing if using external server |
Microsoft OCS if hosting the server; nothing if using external server |
None |
None |
None |
SIP |
– |
X |
X |
– |
X |
– |
H.323 |
– |
– |
– |
– |
– |
– |
H.264 |
– |
X |
– |
– |
– |
– |
H.264 – SVC |
– |
– |
– |
– |
– |
– |
Encryption |
X† |
X†† |
X††† |
– |
X |
X |
Far-End Control |
– |
– |
– |
– |
– |
– |
Content Sharing |
X† |
X |
X |
X |
X |
X |
Instant Messaging |
X |
X |
X |
X |
X |
X |
File Transfer |
X |
X |
X |
X |
X |
X |
Streaming Serial Data |
– |
– |
– |
– |
– |
– |
Presence Detection |
X |
X |
X |
X |
X |
X |
NAT / Firewall Traversal |
X |
X |
X |
X |
X |
X |
Multi-Point Conferencing |
– |
– |
– |
X |
– |
– |
Internal / External Server |
External |
External / Internal* |
External / Internal* |
External |
External |
External |
High Definition |
– |
– |
– |
– |
– |
– |
†Only available with the AIM Pro application, which is a partnership between AOL and WebEx.
††Only available with MobileMe Accounts, or when using a internally-hosted OS X server.
††† Only available either with a third-party add-on or through hosting a Microsoft Lync server (also known as Office Communication Server) within your organization.
†††† This may only encrypt the instant message traffic; an understanding of the encryption of other traffic, including video and audio, was not clear at the time of this writing.