2 line keys with dual-color LED (2 SIP account and up to 2 call appearances), 3 XML programmable context-sensitive soft keys, 3-way conference * HD wideband handset, hands-free speakerphone with advanced acoustic echo cancellation * Automated personal information service (e.g., local weather), personalized music ring tone/ring back tone * Phonebook with up to 500 contacts and call history with up to 200 records * Automated provisioning using TR-069 or AES encrypted XML configuration file via TFTP/HTTP/HTTPS, SRTP and TLS for advanced security protection, 802.1x for media access control