UTT-901 User Manual6Call Waiting, Hold, Transfer, Do-Not-disturb, Call Forward, in-bandand out-of-band DTMF, Hotline (off hook autodial), ban outgoingz Support standard encryption and authentication (DIGEST using MD5,MD5-sess)z Support Silence Suppression, VAD (Voice Activity Detection), CNG(Comfort Noise Generation), Line Echo Cancellation (G.168), andAGC (Automatic Gain Control)z Provide easy configuration thru manual operation (Web interface orTelnet) or automated centralized configuration file via TFTP orHTTP.z Support firmware upgrade via TFTP/FTP and HTTP3.2 Hardware SpecificationThe table below describes the hardware specification.Item SpecificationPower Adapter Input 110-220V ACOutput 12V DC 2APort WAN 1 10/100Base T RJ-45LAN 1 10/100Base T RJ-45Phone 1 RJ11 for phoneLifeline 1 RJ11 for Lifeline (PSTN)Power Consumption 3.5W/1.8WOperating Temperature 0~40℃