2 | Section 1
What’s the Big idea?
Is it not a bit strange that many computer-laden, all-digital broadcast studios con-
nect to the PSTN (Public Switched Telephone Network) using technology invented
in the day of phones with hand-cranks and bulbous “ringers”? Where else in pro
audio do we mix two audio directions on a connection, forcing us to imperfectly
pry the two apart in our interface gear? Where else do we use blasts of 100 AC Volts
for signaling? This becomes even stranger when you consider that the core of the
telephone network is also digital, with sophisticated internal signaling systems and
independent audio paths. Surely we can do better than this ancient bell-banging and
analog audio mash-up stuff in our contemporary telephone interfaces.
That was the idea of ISDN, and it was a good one, as far as it went. The telephone
network had begun to transition to digital in the 1960s and by the 80s, the conver-
sion of the switching and internal transmission was nearly 100% complete in many
countries. The idea of domestic data communication was just getting underway.
Remember bulletin-boards and 1200 Baud modems? The inventors of ISDN rea-
soned that if they could pass the full 64kbps rate of the network to users, they’d be
thrilled with the amazing speed! And, with two channels, you could simultaneously
talk and look up recipes. YouTube had apparently not entered their imagination.
In the modern networked world, The Telos VX gets with the program. It is the next
generation multi-studio phone system from Telos, providing a powerful, simple, and
cost-effective way to share phone lines across a number of studios using standard
IP technology. It offers a number of advanced features to enhance production of talk
shows and active DJ use of phones.
For years, you have been asking for an uncomplicated way to share phone lines
around a facility to multiple studios. And we are always hearing that you need a
way to better integrate the studio system with your office phone PBX. Finally, the
VoIP-based Telos VX lets us do this.
We’re the studio phones company. We’re also the IP-Audio company. With the
introduction of the Telos VX, we are marrying the two, creating an exciting new
approach to broadcast studio phones.
The Telos VX is a scalable system that provides a solution for stations with modest
needs, while being able to grow to support facilities that have large numbers of
Telco lines and studios.
The standards-based SIP/IP interface makes all the things we’ve wanted to do
possible. Passing calls between your office PBX and on-air system is easily
accomplished. Sharing Telco service to both the business offices and studios?
Sharing lines among studios?
Check, and check. A pure digital connection to the Telco keeps audio clean and
maintains isolated send and recieve signal paths. In studios with an AoIP audio
infrastructure, an IP-based telephone system is icing on the cake. Dozens of inputs
and outputs are connected with a single RJ-45. And you profit in other ways:
♦ A single on-air phone system server can supply all the studios in your facility
with rich telephone capability.
♦ A common wiring and Ethernet switch infrastructure serves both your studio
audio and telecom needs.
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