With the use of a splitter during installation, you can have access to both Internet and telephone services at the same time, without interference between the two.

nope.. not a splitter, you need a phone "block". It's basically a block with a ton of punches that's very expandable, they're usually pretty cheap and can "split" a phone line into MANY different ...

The new DD1X1 modular wiring device with 110 phone distribution for up to 4 lines now features an 8-way 2050 MHz splitter.