Transferring telephone callsYou can transfer telephone calls to an external telephone number or to another telephone that is also connected to the FRITZ!Box.Requirements / Restrictions FRITZ!App Fon does not support transferring calls to another telephone. Note:All instructions on configuration and settings given in this guide refer to the latest FRITZ!OS for the FRITZ!Box.1 PreparationsThe...
> https://en.avm.de/service/knowledge-base/dok/FRITZ-Box-7590-AX/60_Transferring-telephone-calls/
Interfaces Internet access with VDSL (including supervectoring) or ADSL2+ All-IP telephony 4 x gigabit LAN (10/100/1000 Base-T) 1 x gigabit WAN port for connections on cable/DSL/fiber optic modems or to the network Wireless access point compliant with IEEE 802.11ax, ac, n, g, a 2 x USB 3.0 ports for printers and storage media DECT base station for up to six handsets 2 a/b ports (either TAE/RJ11)...
> https://en.avm.de/products/fritzbox/fritzbox-7590-ax/technical-specifications/
Technical specifications Interfaces VDSL or ADSL line IP-based telephony 4 x gigabit LAN, WAN via LAN 1 port Wireless access point compliant with IEEE 802.11ax, ac, n, g, a 1 x USB port for printers and storage media Integrated DECT base station for up to six cordless telephones 1 a/b port (either TAE or RJ11) for an analog telephone, answering machine or fax Internet DSL router with firewall/NAT,...
> https://en.avm.de/products/fritzbox/fritzbox-7530-ax/technical-specifications/
Technical specifications Interfaces Mini SIM slot (LTE 4G) category 4 modem) IP-based telephony 4 x gigabit LAN ports Wireless access point compliant with IEEE 802.11ac, n, g, a 1 x high-speed USB port for storage devices and printers Integrated DECT base station for up to six cordless telephones 1 a/b port (either TAE or RJ11) for an analog telephone, answering machine or fax LTE (4G) Wireless...
> https://en.avm.de/products/fritzbox/fritzbox-6850-lte/technical-specifications/