Ooma Telo VOIP Home Phone System: * Landline Backup Option: Be backed up during power outages or Internet outages to make 911 calls if you also choose to keep a landline connected to your Ooma Telo. * Low cost international calling: Make international calls starting at pennies per minute. * My Ooma: Hear messages, check call logs and control your preferences online. * Online call log: Check your calling history from any Internet-connected computer or mobile device. * Free in-network calling: Call another Ooma customer anywhere in the world for free. * Dect 6.0 Support for Ooma Telo Handset: Get superb sound quality, security and range without interfering with your Wi-Fi network or other home electronics. * Advanced network/firewall configuration: Get a high-performance firewall router, with QoS support, that allows you to setup home-based servers and other network devices. * Caller ID: See who"s calling before you answer it.