Please note: The video
test and loop-back services are intended as a connectivity test and
confirmation that your system is transmitting/receiving video and audio.
You may experience delay and noise in the
artifacts can be caused by the looping-server and
be representative of the quality experienced in a normal video
The test numbers and online
services are available 24 hours per day, 7 days a week unless
otherwise stated. Please keep your connection
time as short as
. . . but they are often
very busy and they are subject to change without notice.