Instruction: Using the product's title, description, features, price, and brand, identify and retrieve the values associated with a specified set of target attributes. Output the extracted values along with their respective sources (e.g., title or feature) indicating where each value was found.

Input:
Product title: Elastix LXP200 Mid Level HD IP phone with PoE
Product description: Elastix LXP200 is a high quality executive IP phone that provides multiple functions which maximize the productivity of your business. It features 2 lines with 2 SIP accounts, a backlit graphic LCD, 3 XML programmable keys, dual network ports with integrated PoE, HD audio and tripartite conference. A cost-effective IP solution enabling users to optimize business processes through advanced telephony features and HD audio technology, offering a clearer and more productive voice communication. FEATURES. - 2 lines with 2 SIP accounts. - Backlit LCD 180x60 px. - 3 XML programmable keys. - Dual network ports with PoE. - HD audio. - Tripartite Conference. - 5-way navigation key. - 10 dedicated function keys. - Up to 500 contacts. - Up to 500 call history records. - Customizable tones, screen content and format.
Product feature: Personalization. Automated personal information service (eg, local weather, etc), custom ring/ringback tones, content and format of LCD customizable through XML files., Double line. 2 bi-color keys line with 2 SIP accounts and up to 2 line states, 3 XML programmable context-dependent keys, three-way conference., High definition audio. Wideband HD audio, superb full duplex speakerphone with advanced acoustic echo cancellation and excellent performance in cases of simultaneous speech., Extensive contacts and call history records. Up to 500 agenda contacts and up to 500 call history entries.
Product brand: Elastix
Target attributes: Connectivity
Answer: attribute: connectivity
value: None
source: None