AT&amp;T TL86003 Accessory Handset with Caller ID/Call Waiting for TL86103， Silver/Black<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Accessory handset only—requires a TL86103 to operate</li><li>Place and receive calls on two different phone lines.</li><li>By connecting to your mobile phone with BLUETOOTH-enabled technology， this system allows you to make and receive calls from your cellular plan and landline while enjoying the comforts of a home phone system， with or without a landline.</li><li>Download up to 6，000 cellular phonebook entries onto the cordless handsets.</li><li>Connect up to two cellular lines and two landlines with this cordless system. Then， enjoy the freedom to make and receive calls on all four lines—all at once.</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41S8-7ItFbL.jpg" noproxy>