With respect to Yealink Optima HD voice technology, T54S enhances its audio quality via adding Opus audio codec, so that it delivers superb audio quality and crystal clear voice communications. Meanwhile, Yealink SIP-T54S is built with Gigabit Ethernet technology, a built-in Bluetooth and a built-in USB 2.0 port, intending to enhance collaboration and productivity. 4.3 480 x 272-pixel color display with backlight. USB 2.0 port for USB recording and wired/wireless USB headsets.T54S&T52S firmware and Auto-P template unified. Up to 16 VoIP accounts. Stand with 2 adjustable angles. HD voice: HD handset, HD speaker. Hearing aid compatible (HAC) handset.
DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO. Full-duplex hands-free speakerphone with AEC. VAD, CNG, AEC, PLC, AJB, AGC.
Call forward, call waiting, call transfer. Group listening, SMS, emergency call.Redial, call return, auto answer. Direct IP call without SIP proxy. Set date time manually or automatically. Built-in Bluetooth for: Bluetooth headset, Mobile contacts synchronization. USB port (2.0 compliant) for: wired/wireless USB headset (Headsets Not included). USB call recording through USB flash drive (USB Flash Drive Not Included). Local phonebook up to 1000 entries.
Anonymous call, anonymous call rejection. 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. Caller ID with name and number.10 line keys with LED. 10 line keys can be programmed up to 27 various features (3-page view). 7 features keys: message, headset, hold, mute, transfer, redial, hands-free speakerphone.
Illuminated hands-free speakerphone key Interface. Power over Ethernet (IEEE 802.3af), class 3.
1 x USB port (2.0 compliant). 1 x RJ9 (4P4C) handset port.
1 x RJ9 (4P4C) headset port. Supports up to 3 color-screen expansion modules. Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy.
Package tracing export, system log. T54S&T52S unified firmware and Auto-P template. SIP v1 (RFC2543), v2 (RFC3261).
Proxy mode and peer-to-peer SIP link mode. Time and date synchronization using SNTP. QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP.
AES encryption for configuration file. Power consumption (PSU): 1.9W-3.5W. Power consumption (PoE): 2.1W-4.1W. Dimension (WDHT): 233mm218.8mm172.6mm42.6mm. Tracking numbers are provided for Express and Priority Post only.
We are located in the USA and the items listed passed the standards for sale in the USA and Canada (North America), the power used in the US is 110V, and the electric power plug used is Type A, or North America standard. If you ordered an item for use overseas (outside of the US), please be aware that the power used overseas as well as the power plug used are different. Welcome to CITICALLS, owned and managed by WinWealth Tech Inc. CITICALLS started in May-2003, has been providing quality VoIP gears to its customers for more than 15 years!With the VoIP market growing rocket fast, we have experience an explosive growth and expansion in our business. Our mission is to provide quality VoIP Gear to direct users and consumers, to businesses, and even to resellers and service providers - all at the lowest possible prices. You can order one item or a hundred items in our store, and be assured that the same level of service and courtesies will be accorded and extended to everyone anytime around the clock and anywhere around the globe! For direct users and consumers, you are certain that we carry the best quality IP Products at the lowest prices! For the small business owners, we help you deploy your IP devices, (VoIP or networking solutions), Our low cost turnkey solution can be installed in 60 minutes!
For the resellers and providers, we offer special extra mile services to you and to your direct clients! We can dropship your items direct to your costumers' door so you do not have to carry any inventory, and just reap the profits over and over again, all under your name and brand! Thank you for visiting our humble store. Additional ID verification may be required. Express service is also offered for most items.
Tracking numbers are provided for Express and Priority Post. Based on the final destination ZIP Code.
It may take a little longer to deliver destinations outside the contiguous U. Our main depot is located in Monrovia, California. Additional documents are required for most international orders. We also provide special request and arrangements, if you require. We CANNOT declare your order as "Gift" and CANNOT undervalue or declare your order lower than the value of merchandise you actually paid for.California Time (Monday to Friday). All orders received and paid and checks cleared by 10:00 a. All agreements are contingent upon such unavoidable incidents as strikes, accidents, material shortage, or other delays beyond CITICALLS' control. Prices and conditions of sale on all in-stock and special order merchandise are subject to change without notice.
Items listed in our store are available as of the time the item is listed. Most items listed are intended for use in the US (North America), the power used in the US is 110V, and the electric power plug used is Type A, or North America standard. The image displayed for the products may not be the exact picture of the item. Every effort has been made to ensure the accuracy of all information contained herein. WARRANTIES CITICALLS is in the business of RESELLING only.We DO NOT manufacture any of the items we sell. We will reject the entire return or may impose additional charges for replacement cost of the missing components or items. Claims should be filed immediately with the carrier and NOT with CITICALLS for any damages that may have incurred in transit. S inavailability to accept item?
Prices stated in our product list does not include installation, testing, training or support, unless otherwise specified in the product listing. This listing is currently undergoing maintenance, we apologise for any inconvenience caused. The item "Yealink SIP-T54S 16 Line VoIP IP Media Phone Color LCD BT USB Dual Gigabit PoE" is in sale since Tuesday, May 30, 2017. This item is in the category "Computers/Tablets & Networking\Enterprise Networking, Servers\VoIP Business Phones/IP PBX". The seller is "citicalls" and is located in Monrovia, California.This item can be shipped worldwide.