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多项选择题 Refer to the exhibit. Both routers have been configured as VoIP gateways. They must also support traditional telephony devices to connect to analog telephones. Which two configuration changes would correctly support the voice requirements?（）: A、on each router， under the dial-peer voice 1 pots configuration， add the port fa0/0 command; B、on each router， under the dial-peer voice 1 pots configuration， add the port 1/0/0 command; C、on each router， configure dial-peer voice 1 as a voip connection and configure dial-peer voice 2 as a pots connection; D、under the dial-peer voice 1 pots configuration， change the destination pattern of 1111 to 2222 on the R1 router， and 2222 to 1111 on the R2 router; E、under the dial-peer voice 2 voip configuration， change the destination pattern of 1111 to 2222 on the R1 router， and 2222 to 1111 on the R2 router; F、under the dial-peer voice 2 voip configuration， change the destination target address of 10.2.2.2 to 10.1.1.1 on the R1 router， and the destination target address of 10.1.1.1 to 10.2.2.2 on the R2 router

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