Comparison table

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Features

This table lists the software features that were available in the versions tested by VTAS evaluators

Software name and version

Full screen mode

Contact list

P. A.1

Speed dials

Call log

H.239

Proprietary

data sharing

Call recording

Multi-way calls

In -call statistics

DTMF2 tones

Janet Videoconferencing compatible

Skype 4.0

√

---

Available in Version 4.2

---

Audio only

√

---

Mirial

Softphone 7.0

√

---

√

Video sharing

√

3-way calls hosted

√

VCON Vpoint HD Basic

√

---

√

---

√

PolyCom m100

√

---

√

---

√

---

√

IOCOM Visimeet

√3

√

---

√

---

√

1 P.A. – Presence awareness (knowing if contacts are busy or available)

2 Dual-Tone Multi-Frequency signalling - this allows tones to be generated that can permit control of remote devices

3 Does not quite fill the screen.

Communication, video and audio standards

This table lists the protocols and standards supported by the software versions tested by VTAS evaluators. Some of the features are dependent on the PC hardware used meeting the minimum requirements.

Software name and version

Communication standards

/methods supported

Video encoding standards /methods

Audio encoding standards /methods

Image formats supported

H.323

SIP

H.239

FECC

H.261

H.263

H.264

723.1

711A

AAC-LD

SIREN

722

CIF

4CIF

VGA

720p

1080p

Skype 4.0

√

Mirial Softphone 7.0

√

VCON Vpoint HD Basic

√

PolyCom m100

√

√1

√

IOCOM Visimeet

√

√2

√

FECC = Far End Camera Control R=Receive only P = Proprietary or undocumented

1 Screen sharing only

2 Still testing in JANET