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