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CAT-iq support

Although the FRITZ!Box is not CAT-iq certified, it supports many of the services and functions defined in CAT-iq. For example, the FRITZ! function "HD telephony" complies with the new standard and is therefore fully compatible with all CAT-iq-based products for HD telephony available on the market. CAT-iq 2.0-compatible cordless telephones from other manufacturers can also use convenience functions such as toggling calls, 3-party conference calls, CLIP/CNIP, and accessing the FRITZ!Box telephone book and call list.

In addition, the FRITZ!Box and FRITZ!Fon models offer a multitude of other functions that cannot currently be implemented with the CAT-iq standard. For this reason, AVM does not currently consider it necessary to seek certification, nor are we planning to do so.