{"id":2401,"date":"2026-07-30T21:59:19","date_gmt":"2026-07-31T00:59:19","guid":{"rendered":"https:\/\/conectapabx.com.br\/index.php\/item\/yealink-sip-t48u-gigabit-voip-ip-sip-16-4\/"},"modified":"2026-07-31T12:45:54","modified_gmt":"2026-07-31T15:45:54","slug":"yealink-sip-t48u-gigabit-voip-ip-sip-16-4","status":"publish","type":"itempress_product","link":"https:\/\/conectapabx.com.br\/index.php\/item\/yealink-sip-t48u-gigabit-voip-ip-sip-16-4\/","title":{"rendered":"YEALINK SIP-T48U GIGABIT VOIP IP SIP 16 LINE PHONE-4 PHONES-4 EXPANSION MODULES"},"content":{"rendered":"<p>YEALINK SIP-T48U GIGABIT VOIP IP SIP 16 LINE PHONE-4 PHONES-4 EXPANSION MODULES YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP 16 LINE PHONE &#8211; 4 PHONES &#8211; 4 EXPANSION MODULES 4 YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONES + 4 YEALINK EXP43 COLOR EXPANSION MODULES BRAND NEW FROM YEALINK YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONE A Revolutionary SIP Phone with a 7-inch Touch Screen Yealink presents a dynamic business communication solution to executives and professionals with the new SIP- T48U IP phone. The phone employs an appealing large touch screen that makes the switch between pages and\u00a0 applications swift, easy and convenient. United Yealink Optima HD Voice technology and wideband codec of Opus,\u00a0 the T48U awards you the superb audio quality and crystal-clear voice communications. Moreover, the T48U puts\u00a0 dual USB ports in a phone that makes Bluetooth, Wi-Fi, USB headset and USB recording come true, and you can use\u00a0 any two of them freely according to your needs. The Yealink new T4U series offers the same elegant appearance\u00a0 as the T4 line, but with improvements for greater interoperability and better collaboration. Key Features and Benefits Easy Customization and High Expansibility The SIP-T48U has a seven-inch, 800 x 480-pixel, backlit- color touch screen, which enables a rich visual\u00a0 presentation and easy navigation. Accompanied by two USB ports, the T48U is your right-hand man in the office\u00a0 that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely\u00a0 according to your needs to enrich phone features. Meanwhile, the phone not only has 29 one-touch DSS keys that\u00a0 can be easily programmed to various features, but also can connect up to three expansion modules, for up to 180\u00a0 additional buttons with a screen-based LCD display and LED system HD Audio Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for\u00a0 maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform\u00a0 a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current\u00a0 network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its\u00a0 hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly Efficient Installation and Provisioning Yealink T4U series supports efficient provisioning and effortless mass deployment with Yealink\u2019s Redirection\u00a0 and Provisioning Service (RPS) and Boot mechanism to help you realize the Zero Touch Provisioning without any\u00a0 complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade.\u00a0 Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time\u00a0 and costs for businesses, as well as simplifies the management and maintenance. Secure Transport and Interoperability Yealink T4U series uses SIP over Transport Layer Security (TLS\/SSL), which is the latest network security\u00a0 technology. It\u2019s also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks.\u00a0 Moreover, it is carried with dual fimrware images that gives you a enterprise-level protection to avoid\u00a0 bricking your system once upgrade failed. YEALINK EXP43 COLOR EXPANSION MODULE The Yealink EXP43 Dual Color Expansion Module for Yealink T43U\/T46U\/T48U IP phones, is designed to expand the\u00a0 functional capability of your SIP phone to a whole new level. It features a large 4.3-inch color-screen LCD,\u00a0 giving you a vivid visual experience. In addition, it provides you with a simple user interface and advanced\u00a0 call handling capabilities. For example, three pages of 20 flexible button shown on the display can be\u00a0 programmed up to 60 various features. The functionality of Yealink T43U\/T46U\/T48U IP phones will also be\u00a0 extended by the EXP43, you can set the provided multifunctional line keys as BLF, speed dial, call forward,\u00a0 transfer, call park, call pickup, etc. The Yealink EXP43 Color Expansion Module is an ideal solution for\u00a0 receptionists, administrative assistants and contact center workers and gives you the ability to monitor\u00a0 contacts and manage a large volume of calls with ease. Key Features and Benefits User-friendly Structure Design With a 4.3-inch color screen, the Yealink EXP43 expansion module is intended to bring a fresh visual experience\u00a0 and an easy operating experience to you. Its new design for the Stand enables you to adjust between two lying\u00a0 angles easily even without disassembling it. To ensure a higher reliability of data transmission and a higher\u00a0 speed of data refresh, a USB cable is chosen to connect EXP43 expansion module to Yealink T43U\/T46U\/T48U IP\u00a0 phones. Moreover, after the connection between the expansion module and the IP phone is establish, the\u00a0 remaining USB port on the back of EXP43 can also be used to realize the phone\u2019s extended functions, for\u00a0 example, call recording via USB flash drive, etc. Intuitive Visualization A 4.3-inch 272&#215;480-pixel color screen greatly enriches your visual experience. The color icons for DSS keys,\u00a0 the feature of Wallpaper and Screensaver, all of these offer you a new operating experience as well as allow\u00a0 you to custom the EXP43 in your own style. More than that, its 3 independent control buttons with illuminated\u00a0 LED are used for fast switching to the corresponding page High Expansibility The Yealink T43U\/T46U\/T48U IP phones can be fully equipped with up to three EXP43 Color Expansion Modules,\u00a0 while adding 180 additional buttons at most. Three pages of 20 flexible buttons with dual-color LED shown on\u00a0 the display can be programmed up to 60 various features for speed dialing, BLF\/BLA, call forward, transfer,\u00a0 etc. Thus, it will help you effectively manage high volume of concurrent calls, effortlessly monitor calls and\u00a0 greatly boost personal productivity. YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONE: AUDIO FEATURES: \u2022 HD voice: HD handset, HD speaker \u2022 Hearing aid compatible (HAC) handset \u2022 Acoustic Shield \u2022 Smart Noise Filtering \u2022 Codecs: AMR-WB (optional), AMR-NB (optional), Opus, G.722, G.711(A\/\u00b5), G.723.1, G.729AB, G.726, iLBC \u2022 DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO \u2022 Full-duplex hands-free speakerphone with AEC \u2022 VAD, CNG, AEC, PLC, AJB, AGC PHONE FEATURES: \u2022 16 VoIP accounts \u2022 Call hold, mute, DND \u2022 One-touch speed dial, hotline \u2022 Call forward, call waiting, call transfer \u2022 Group listening \u2022 Emergency call \u2022 Redial, call return, auto answer \u2022 10-way conferencing \u2022 Direct IP call without SIP proxy \u2022 Ring tone selection\/import\/delete \u2022 Set date time manually or automatically \u2022 Dial plan, XML Browser, action URL\/URI \u2022 RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035) \u2022 USB port (2.0 compliant) for: &#8211; Bluetooth earphone through BT40\/BT41 &#8211; Contact synchronization through BT40\/BT41 &#8211; Simultaneous connection of one headset and one mobile phone through BT40\/BT41 &#8211; Wi-Fi through WF40\/WF50 &#8211; USB call recording through USB flash drive &#8211; USB headset &#8211; Expansion Module EXP43 &#8211; Wireless Headset Adapter EHS40 \u2022 USB\/Bluetooth connectivity to Yealink CP900\/CP700 speakerphone, USB connectivity to Yealink UH36 headset: &#8211; Basic functions: Answer \/ end, call mute &#8211; Enhanced function: audio optimization, redial, call hold, volume synchronization, multiple\u00a0 calls control \u2022 Enhanced DSS key DIRECTORY FEATURES: \u2022 Local phonebook up to 1000 entries \u2022 Black list \u2022 XML\/LDAP remote phonebook \u2022 Smart dialing \u2022 Phonebook search\/import\/export \u2022 Call history: dialed\/received\/missed\/forwarded IP-PBX FEATURES: \u2022 Busy Lamp Field (BLF) \u2022 Bridged Line Apperance (BLA) \u2022 Anonymous call, anonymous call rejection \u2022 Hot-desking, voice mail \u2022 Flexible seating \u2022 Executive and Assistant \u2022 Call park, call pickup \u2022 Centralized call recording, call recording \u2022 Visual voice mail DISPLAY AND INDICATOR FEATURES: \u2022 7&#8243; 800 x 480-pixel color touch screen with backlight \u2022 24 bit depth color \u2022 LED for call and message waiting indication \u2022 Wallpaper \u2022 Intuitive user interface with icons and soft keys \u2022 Multilingual user interface \u2022 Caller ID with name, number and photo \u2022 Screensaver \u2022 Power saving FEATURE KEYS: \u2022 29 one-touch DSS keys \u2022 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone \u2022 6 navigation keys \u2022 Volume control keys \u2022 Illuminated mute key \u2022 Illuminated headset key \u2022 Illuminated hands-free speakerphone key INTERFACE: \u2022 Dual-port Gigabit Ethernet \u2022 Power over Ethernet (IEEE 802.3af), class 3 \u2022 2 x USB port (2.0 compliant) \u2022 1 x RJ9 (4P4C) handset port \u2022 1 x RJ9 (4P4C) headset port MANAGEMENT FEATURES: \u2022 Configuration: browser\/phone\/auto-provision \u2022 Auto provision via FTP\/TFTP\/HTTP\/HTTPS for mass deploy \u2022 Auto-provision with PnP \u2022 Zero-sp-touch, TR-069 \u2022 Phone lock for personal privacy protection \u2022 Reset to factory, reboot \u2022 Package tracing export, system log NETWORK AND SECURITY FEATURES: \u2022 SIP v1 (RFC2543), v2 (RFC3261) \u2022 Call server redundancy supported \u2022 NAT traversal: STUN mode \u2022 Proxy mode and peer-to-peer SIP link mode \u2022 IP assignment: static\/DHCP \u2022 HTTP\/HTTPS web server \u2022 Time and date synchronization using SNTP \u2022 UDP\/TCP\/DNS-SRV(RFC 3263) \u2022 QoS: 802.1p\/Q tagging (VLAN), Layer 3 ToS DSCP \u2022 SRTP for voice \u2022 Transport Layer Security (TLS) \u2022 HTTPS certificate manager \u2022 AES encryption for configuration file \u2022 Digest authentication \u2022 OpenVPN, IEEE802.1X \u2022 IPv6 \u2022 LLDP\/CDP\/DHCP VLAN \u2022 ICE YEALINK EXP43 COLOR EXPANSION MODULE: DISPLAY FEATURES: \u2022 4.3&#8243; 272&#215;480-pixel color display with backlight \u2022 16 bit depth color \u2022 Three page views are possible \u2022 Different color icons for each function shown on the LCD FEATURES KEYS AND INDICATOR: \u2022 20 physical keys each with a dual-color LED \u2022 40 additional keys through page switch \u2022 3 independent control keys with illuminated LED are used for fast switching pages \u2022 Programmable for shared line, BLF List, call park, conference, forward, group pickup, group listening, LDAP,\u00a0 XML Browser&#8230; STANDARD FEATURES: \u2022 Wallpaper, screensaver, power saving \u2022 Stand with 2 adjustable angles \u2022 For support of two or three Expansion Modules, an external Yealink power adapter (5V\/2A) is required. \u2022 Up to three EXP43 can be attached on Yealink T43U\/T46U\/T48U IP phones \u2022 USB port (2.0 compliant) for data in and out \u2022 USB port (2.0 compliant) for: &#8211; Optional Wired\/Wireless USB headset &#8211; Wi-Fi through Optional WF40\/WF50 USB Dongles &#8211; USB Call Recording through Optional USB Flash Drive PLEASE EMAIL US WITH\u00a0 ANY\u00a0 QUESTIONS &#8211; (CLICK HERE) Visit our page. (CLICK HERE) EACH YEALINK SIP-T48U DUAL PORT GIGABIT VOIP IP SIP PHONE INCLUDES: (1) Yealink SIP-T48U IP phone (1) Handset with handset cord (1) Ethernet Cable (2m CAT5E UTP Cable) (1) Stand (1) Quick Start Guide EACH YEALINK EXP43 COLOR EXPANSION MODULE INCLUDES: (1) Stand (1) Connecting Sheet (1) USB Cable (1) Screwdriver (4) Screws (1) Quick Start Guide BRAND NEW FROM THE FACTORY FACTORY SEALED MANUFACTURER&#8217;S RETAIL BOX(ES) \/ PACKAGING 1 YEAR PARTS AND LABOR (U.S. Warranty) FROM MANUFACTURER\u00a0 MANUFACTURER&#8217;S Warranty covers Repair or Replacement of defective product. MANUFACTURER&#8217;S Warranty does not cover damage resulting from accident, abuse, acts of God\u00a0 or improper operation. PLEASE CONTACT US BY EMAIL (CLICK HERE) or Call us at . 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:<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":[],"itempress_category":[9],"itempress_tag":[42,5,67,7,43,41,2339,89,50,4,2460],"class_list":["post-2401","itempress_product","type-itempress_product","status-publish","hentry","itempress_category-cat-61839","itempress_tag-30-days","itempress_tag-black","itempress_tag-buyer","itempress_tag-ethernet-rj-45","itempress_tag-money-back","itempress_tag-returns-accepted","itempress_tag-sip-t48u-sip-exp43","itempress_tag-speakerphone","itempress_tag-voice-over-ip","itempress_tag-yealink","itempress_tag-yealink-sip-t43u"],"_links":{"self":[{"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/itempress_product\/2401","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/itempress_product"}],"about":[{"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/types\/itempress_product"}],"replies":[{"embeddable":true,"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/comments?post=2401"}],"wp:attachment":[{"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/media?parent=2401"}],"wp:term":[{"taxonomy":"itempress_category","embeddable":true,"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/itempress_category?post=2401"},{"taxonomy":"itempress_tag","embeddable":true,"href":"https:\/\/conectapabx.com.br\/index.php\/wp-json\/wp\/v2\/itempress_tag?post=2401"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}