The Aastra 9133i SIP IP Telephone is an advanced, fully featured multi-line IP Telephone that takes full advantage of VoIP technology by offering a flexible, interoperable solution at an affordable price. Features Enhanced Call Management — Large storage for personal directory, callers log, and redial list Tight Integration — Support for multiple IP telephony systems including BroadWorks®, Nortel, Sylantro, and Asterisk SIP Multiple Line/Call Appearance Lights — Support up to 9 simultaneous calls. Juggle multiple calls easily with a single press of a button Shared Call Appearances — Shared calls allow you to place a call on hold at one set and pick it up easily at another set Remarkable Audio — Quality speakerphone with excellent voice clarity and delivery Protect Your Investments — Firmware upgrades can be downloaded and installed in the field as standards develop and protocols evolve Less Wiring — Built in dual 10/100 switched Ethernet ports let you share a connection with your computer. Inline power support eliminates the need for a power adapter * Feature availability dependent on IP telephony system Features & Specifications Number of lines 9 Multi-line, multi-proxy registration support Y Programmable hard keys 7 Programmable soft keys Pre-programmed feature keys 10 Full-duplex speakerphone Y Dedicated headset jack Modular connector Backlit Visual display 3 lines x 16 characters Adjustable display contrast Y Visual message waiting indication Y Busy lamp field (BroadSoft and Asterisk) Y Do not disturb (DND) Y Call waiting display Y Call forward Y Missed call indicator Y Directory 200 Callers Log 200 Redial last numbers 100 Priority alert/distinctive ringing Y Call park/pickup Y Multilingual support - Eng., Fr., Spn., Germ., Ital. Y Cordless mobility N/A Number of cordless handsets N/A Power Options Power over Ethernet1 Y Optional mid-span PoE injector Y AC wall adapter (Included) Y Configuration & Administration Telephone User Interface Y Web User Interface Y Encryption of configuration file Y Software & Config. download - TFTP, FTP, HTTP Y Automatic software update Y Network Support 10/100 Mbps Switched Ethernet ports 2 802.1p/q VLAN tagging & QOS Y NAT support - phone side Y Outbound proxy support Y IETF DHCP Y IETF SNTP Y Protocol Support IETF SIP (RFC3261) Y IETF MGCP XML browser Y Codecs G.711 ì-law/A-law Y G.729 (Annex B) Y