Opus: Support 8 kHz (narrowband) and 16 kHz (wideband) sampling rate. AUDIO FEATURES: HD voice: HD handset, HD speaker Hearing aid compatible (HAC) handset Wideband codec: Opus, G. 722 Narrowband codec: Opus, G. 726, iLBC DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO Full-duplex hands-free speakerphone with AEC VAD, CNG, AEC, PLC, AJB, AGC. DIRECTORY FEATURES: Local phonebook up to 1000 entries Black list XML/LDAP remote phonebook Smart dialing Phonebook search/import/export Call history: dialed/received/missed/forwarded.
DISPLAY AND INDICATOR FEATURES: 2.7 192x64-pixel graphical LCD with backlight LED for call and message waiting indication Dual-color (red or green) illuminated LEDs for line status information Intuitive user interface with icons and soft keys Multilingual user interface Caller ID with name and number Power saving. FEATURE KEYS FEATURES: 6 line keys with LED 6 line keys can be programmed up to 15 paperless DSS keys (3-page view) 5 features keys: message, headset, mute, redial, hands-free speakerphone 4 context-sensitive soft keys 6 navigation keys 2 volume control keys Illuminated mute key Illuminated headset key Illuminated hands-free speakerphone key. INTERFACE FEATURES: Dual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af), Class 2 1 x USB port (2.0 compliant) 1 x RJ9 (4P4C) handset port 1 x RJ9 (4P4C) headset port 1 x RJ12 (6P6C) EHS port. NETWORK AND SECURITY FEATURES: SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP HTTP/HTTPS web server Time and date synchronization using SNTP UDP/TCP/DNS-SRV(RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP for voice Transport Layer Security (TLS) HTTPS certificate manager AES encryption for configuration file Digest authentication using MD5/MD5-sess OpenVPN, IEEE802.1X IPv6 LLDP/CDP/DHCP VLAN ICE. (2) Yealink SIP-T42S Telephones with Corded Handsets.(2) Yealink SIP-T42S Telephone Base Stands with 2 Adjustable Angles. (2) Ethernet Cables (2m CAT5E FTP Cable). CONDITION: BRAND NEW FACTORY SEALED BOX U. VISIT OUR STORE TO SEE ALL OF OUR ELECTRONIC ITEMS: PHONES (HOME, BUSINESS, SINGLE LINE, MULTI-LINE, CORDED AND CORDLESS), INTERNET PHONES, RETRO AUDIO, WEATHER STATIONS, AND OTHER FUN ELECTRONIC ITEMS. The item "YEALINK SIP-T42S ULTRA ELEGANT GIGABIT IP VOIP PHONE SYSTEM-12-LINES 2 PHONES" is in sale since Sunday, March 3, 2019. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "georgeb62" and is located in Chicago, Illinois. This item can be shipped worldwide.