There may be situations where poor Wi-Fi or data cellular reception will lead to static noise and call quality issues. To handle this problem you need to switch the TeleConsole to use your cellular network instead of a data network.
If you are nearby a landline you may also solve the problem by temporarily forwarding your number, as explained here.
Another thing to keep in mind is that Bluetooth can interfere with a Wi-Fi connection on the 2.4 GHz frequency. If you are experiencing call quality issues with Wi-Fi while using Bluetooth headsets, try switching off the headsets or consider changing the Wi-Fi frequency or channel on your router.
Setting up the Switch to a Cellular Network
There are two ways to switch to a cellular connection – permanently or on the fly.
Before either one can work you need to provide the TeleConsole with your iPhone number:
- Tap
on the bottom right corner to access the TeleConsole's settings.
The settings screen is divided into three categories - Channels, General, and Local Settings. Scroll down to LOCAL settings. - The setting for iPhone Number is initially shows as "Unknown". Because of the way iOS security is handled, the TeleConsole has no access to your personal phone number.
- Tap Change and enter your personal mobile number manually.
Tap Change on the next screen to save the number.
Permanent Switch
On the Local settings tap Use Data For Outgoing Calls (VoIP).
Select Always Use Cellular Voice.
When selecting this VoIP will not be used at all until you switch to another setting.
With this selected, instead of sending the call to the Telebroad VoIP servers using the SIP protocol, the TeleConsole will directly use your cellular connection. Your iPhone will ring (outside the TeleConsole) and only when you pick up the outgoing number will be dialed. Remember that this setting consumes your mobile plan air time minutes!
On the Fly Switch
On the Use Data For Outgoing Calls (VoIP) in Local settings, you need to have either Always Use VoIP or Use VoIP only on WiFi selected (assuming you are on a WiFi connection).
When you experience any noise or static during call a call, tap 
on the call screen to change to the cellular network.
Tap the button again to switch back to VoIP.
