Telos ZephyrExpress user manual How do I send a test tone?, How do I hang up?

2.Are they set to a receive coding method that matches your send method? Try changing Codec settings while they listen.

3.Try changing the Codec: Bitrate and redialing. Some connections will pass one rate but not the other.

4.If you're working in stereo, make sure both ISDN lines are connected. If one of them hasn't been dialed or has dropped the connection, they won't hear a single channel of audio — instead, they'll hear nothing at all.

If they can hear you but the pitch sounds wrong, the Codec: Sample Rates probably don’t agree.

More troubleshooting tips appear later in this manual.

17:How do I send a test tone?

w

Open the Audio submenu and then one of the microphone’s submenus. The last item in each mic submenu lets you turn test tone on or off. Then adjust the routing and level using that microphone's controls.

NOTE:

G.722 relies on the audio signal itself for synchronization, and can have problems with steady test tones. If you're using this coding method, avoid using the tone generator.

18:How do I hang up?

pPress the DROP button. A screen like this will appear:

One or both lines will be automatically selected, depending on which are currently connected. Tap the EDIT knob to hang up, or select just one line if that’s all you want to disconnect.

Pressing DROP doesn’t do anything if neither line is connected.

1-26 QUICK RESULTS