Telos Zephyr Xstream User Manual
Page 180

USER’S MANUAL
Section 10: APPLICATIONS GUIDE 168
Telephone
Network
Mono
Mono
Mono
Mono
ISDN
(2 Calls)
ISDN
(2 Calls)
The basic Mono 112 or 128 kbps ISDN codec connection is shown above. The audio quality is
dependent on the settings in the CODEC menu. ISDN is used end‐to‐end for the best quality and
lowest delay.
In Mono 128 modes, the channel A input is used.
The dialing MODE for these calls is Zephyr.
Telephone
Network
Mono
Stereo
Stereo
2 X Mono
ISDN
(1 Call)
ISDN
(2 Calls)
Mono
Stereo
ISDN
(1 Call)
The Stereo 64 mode is a special case. In this scenario a central codecs sends the same stereo
audio to two sites. The remote‐to‐central return path is mono and can be L3 or G.722.
The dialing MODE for these calls is Zephyr.