Configuring AastraLink Pro 160 System and Network Parameters
Configuring Audio Settings (Tuning Wizard)
AastraLink Web UI
Step Action
4Follow the Tuning Wizard online instructions until the process is complete.
Important Notes:
1.The destination phone number MUST be an analogue line on the same central office switch as the line connected to the FXO line 1.
-Remove PSTN line 2 from the VNX and plug it into a POTS phone instead; then perform the tuning wizard and enter the number of line 2. The call is placed outbound on line 1.
-Answer the POTS phone and then mute it.
-Speak the Harvard phonetically balanced sentences and listen for hybrid distortion artifacts such as echo, clipping, sibilance, and overall loudness/noise.
-Adjust the slider until the optimal position is met.
2.Because the echo canceller is disabled during this test, you should not be concerned about excessively poor quality of the voice; after completing the wizard, echo canceller is
Note: Higher line boost levels are only used to avoid problems with sibilance, clipping, or overdrive on the line due to dynamic range compression. The signal to noise ratio degrades with higher boost levels, so the lowest acceptable of the three choices should be used (i.e. standard) unless such problems are encountered.
5When you are finished, click <Exit> to save your changes and exit the Tuning Wizard.
Note: If you do not complete the tuning wizard (i.e. the Web UI times out), then the echo canceller may not be
The Regional Settings menu updates to reflect the Connection Type, Line Boost Level, and Line Profile that you specified during the Tuning Wizard procedure.
You can repeat the Tuning Wizard procedure as necessary to refine the audio quality on your phone lines.
