VTech CS6909-15 Accessory Handset with Caller ID/Call Waiting (requires a 6919-x or 6929-x series phone to operate)<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>DECT 6.0 digital technology</li><li>Conference between an outside line and up to 2 cordless handsets</li><li>Last 10 number redial</li><li>Trilingual prompts—choose between English， Spanish and French</li><li>Voicemail waiting indicator</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31D%2BiefV2vL.jpg" noproxy>