Instruction: Given the title, description, feature, price, and brand of a product and a set of target attributes, extract the value of each target attribute from the product information. Output the extracted value and the corresponding source (e.g., title or feature) denoting where the value is extracted.

Input:
Product title: ooma Ooma Office Refurbished 2 Linx (FFP) Office Refurbished 2 Linx VoIP Phone and Device
Product description: ooma office is absolutely everything you'd ever need in a business phone system. ooma office uses your high-speed internet connection to deliver a high quality yet very affordable business phone service with advanced features typically found in far more expensive options. It blends the ease of do-it-yourself installation with the power of Cloud computing to deliver the features and quality of service you'd expect from a business class phone system. Even better, ooma office has plenty of room to grow as your business expands without breaking the bank. No new wiring to deploy and 24/7 support if you need it. Virtual receptionist, virtual fax, extension dialing, conferencing, music-on-hold and much more. No special IP phones or equipment needed. Supports up to 20 users with purchase of additional hardware.With ooma office, you have virtually unlimited lines, so you will never get a busy signal.
Product feature: Virtual receptionist: powerful, easy-to-configure virtual receptionist automatically greets and directs incoming calls. Allows different options during business and non-business hours, Fast and Easy set up: do-it-yourself installation with no wires to deploy. Comes with two ooma Linx Wireless remote Phone jacks for fast and Easy installation of up to three Phone extensions., Keep your Phone number: transfer your existing Phone number or select a New one at no charge, Expandable: supports up to 20 users with purchase of additional hardware., Business necessities: virtual receptionist, music-on-hold, conference bridges, virtual Numbers and much more
Product brand: ooma
Target attributes: Use
Answer: attribute: use
value: business
source: product feature
attribute: use
value: business phone
source: product description
attribute: use
value: your business
source: product description
attribute: use
value: business class phone
source: product description