128x384 backlit LCD display20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)BLF/speed dialDaisy-chain up to 4 modules for up to 160 contacts/extensionsBLA (bridged line appearance)/SCA (shared call appearance), BLF (busy lamp field, standard or eventlist), Call Pa..
4 or 8 FXS ports with PSTN life line in case of power failure2 10/100 Mbps network ports (switched or routed)Comprehensive codec support, caller ID, flexible dial plans and security protectionSupport for T.38 faxAdvanced security protection with SRTPFailover SIP server feature in case main SIP serve..
LCD monitor with a diagonal of 27 "type of screen matrix TFT IPSresolution 1920x1080 (16: 9)connection: VGA, HDMIBrightness 250 cd / m21000: 1 contrast ratioresponse time 7 ms..