Computer Accessory Sets features: Unlocked LINKSYS SPA1001 VOIP PSTN Phone Adapter with FXS + Ethernet Port Color: we send based on the color or size of the main image of the product page. Quantitywe send based on quantity on title, if there is no quantity in the title, we send based on . 1) Terminating Impedance Agnostic - 8 Settings 2) Call Waiting, Cancel Call Waiting 3) Caller ID with Name / Number 4) Caller ID Blocking 5) Call Waiting Caller ID with Name / Number 6) Call Forwarding: No Answer / Busy / All 7) Do Not Disturb 8) Call Transfer 9) Message Waiting Indication - Visual and Tone Based 10) Call Return 11) Call Back on Busy 12) Call Blocking with Toll Restriction 13) Delayed Disconnect 14) Distinctive Ringing 15) Off-Hook Warning Tone 16) Selective / Anonymous Call Rejection 17) Hot Line and Warm Line Calling 18) Speed Dialing of 8 Numbers / Addresses