AVM FRITZ! User Manual

Poor voice quality when conducting calls
When conducting calls, one of the following issues either occasionally occurs or always occurs:
 When conducting calls, you experience disturbances such as echo, dropouts, delays or background noise.
 A loud and annoying hiss is heard when conducting calls.
 The voice of one or both parties sounds distorted or "choppy".
Simply proceed as described below. After each measure, check whether the problem is solved.
1 Installing the latest software for your telephone
1. Install the latest software on the telephone.
2 Disabling HD telephony on your ISDN line
The following steps are only necessary if you are using the FRITZ!Box on an ISDN line and you cannot
understand the other party when they speak (very distorted, extremely noisy, robotic voice, or static and
crackling can be heard).
1. Enter #962*2* on your telephone and press the call key (pick up the handset).
2. Hang up again after about 3 seconds.
Note:You can reenable HD telephony by entering #962*1*.
3 Restarting the FRITZ!Box
1. Click "System" in the FRITZ!Box user interface.
2. Click "Backup" or "Reset" in the "System" menu.
3. Click on the "Restart" tab (if available).
4. Click the "Restart" button.
4 Reducing the call volume on the telephone
1. Reduce the call volume on the telephone: Press the "down arrow" or "telephone book" icon on the
control ring while speaking on the telephone.
5 Registering cordless telephones with the FRITZ!Box
1. Register all cordless telephones with the base station of the FRITZ!Box and switch off any other base
stations.

AVM FRITZ! Specifications

General

Brand	AVM
Model	FRITZ!
Category	Telephone
Language	English

Summary

Installing the Latest Software for Your Telephone

Registering Cordless Telephones with the FRITZ!Box

Register Cordless Telephones

Guide to registering cordless phones with the FRITZ!Box base station.

Configuring the FRITZ!Box for Internet Telephony

Set Line Speed

Configure internet connection speeds for optimal telephony performance.

Set Up Prioritization Rule for Internet Telephony

Create rules to prioritize internet telephony traffic for better quality.

Registering Telephones Using the FRITZ!Box Wizard

Use FRITZ!Box Wizard to Register Telephone

Register a telephone using the FRITZ!Box's guided setup wizard.

Registering Telephones Using the Telephone's Menu

Use Telephone Menu to Register Telephone

Register a telephone by navigating through its own menu system.

Register FRITZ!Fon with Base Station from Another Manufacturer

Cannot Make Outgoing Calls Over the Internet

Entering Location Information

Enter Location Information

Configure country and area codes for correct call routing.

Deleting Carrier Prefixes

Delete Carrier Prefixes

Remove global and additional provider prefixes from call handling settings.

Reconfiguring Telephone Numbers

Reconfigure Telephone Numbers

Update and re-setup telephone numbers with the internet telephony provider.

FRITZ!Fon Does Not Ring

Disable Do Not Disturb on Telephone

Disable Do Not Disturb, Call Blocks, and Call Through

Disable Do Not Disturb, call blocking, and call forwarding settings.

Disable DECT Eco

Assign Telephone Numbers to Telephones

Maintain Permanent Internet Connection

Ensure the internet connection remains active for incoming calls.

Checking Your Numbers

Check Your Numbers

Verify internet telephony numbers with your provider.

Call Volume of FRITZ!Fon Too Low

Install Latest Software

Install the latest software on the telephone.

Increase Handset Volume