Many Konftel models perform beautifully in multiple situations and offer solutions that integrate with your existing equipment. The optional DECT or cell phone cable connects easily to your phone and give more powerful audio quality. Switch and combine connections in the 300 series using the Line mode selector. Compatibility: - Apple - iPhone 4 - Apple - iPhone 3Gs - Apple - iPhone 4S - Apple - iPhone 5 - Apple - iPhone 5S - Apple - iPhone 5C - BlackBerry - 8900 - BlackBerry - 9530 - BlackBerry - 9300 3G - BlackBerry - 8520 curve - BlackBerry - 8110 - BlackBerry - 8120 - BlackBerry - 8130 - BlackBerry - 9800 - BlackBerry - Bold 9700 - BlackBerry - Bold 9000 - BlackBerry - Bold 9780 3G - HTC - Trophy - HTC - Desire S - HTC - Incredible S - HTC - Wildfire - HTC - Desire HD - HTC - One X - HTC - One S - HTC - One V - LG - Nexus 4 - LG - Cosmos 2 - Nokia - Lumia 710 - Nokia - Lumia 800 - Samsung - Galaxy S3 - Samsung - Galaxy S4 - Samsung - S5610 - Samsung - Omnia 7 - Samsung - Galaxy S2 - Sony - Xperia Acro S - Sony - Xperia S - Sony - Xperia P