With the FRITZ!Box 7590, you have a complete telephone system. You can connect anything, whether it is an analog or ISDN device, an IP phone, or even iPhone and Android smartphones. With the FRITZ!App Fon for smartphones, you can make or answer calls from the fixed network with your smartphone.
The app also informs you about calls or voicemail messages even if you are not at home or in the office! Add to this the fact that a fax or a voicemail message can be automatically sent to your email while you are away, and you have the most practical and complete solution for all communication needs.