Fanvil X4U IP Phone

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Estimated Delivery Date: Saturday, Jun 11

Due to high demand, please allow at least 2-4 weeks for delivery.

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Product Details

Fanvil X4U IP Phone Enterprise WiFi Bluetooth Wireless Telephone Support IPv4/IPv6 VoIP Enterprise Phone Businesses Conference

1.12 SIP lines, 3-way conference, SIP hotspot
2.3 Line keys on the main display
3.HD audio on speakerphone and handset
4.1×2.8” main colour display, 1×2.4” side color displays for DSS keys
5.Support Bluetooth headset (Via BT dongle BT20)
6.Support Wi-Fi connectivity (Via Wi-Fi dongle)
7.Support EHS wireless headset
8.Up to 30 DSS keys(6 two-coloured physical keys)
9. Dual Gigabit ports, integrated PoE
10.Stand with 2 adjustable angles of 45 and 50 degrees
11.Compatible with major platforms: Asterisk, Broadsoft, 3CX, Metaswitch, Elastix, Freepbx, Avaya etc.
1.12 SIP Lines
2.HD Voice
3.PoE Enabled
4.2 LCDs (Main + DSS)
5.Handset / Hands-free / Headset mode
6.Intelligent DSS Keys
7.Desktop Stand / Wall-mounted (need an additional wall hanging parts)
8.Optional External Power Supply

Call Features:

1.Call out / Answer / Reject
2.Mute / Unmute (Microphone)
3.Call Hold / Resume
4.Call Waiting
6.Caller ID Display
7.Speed Dial
8.Anonymous Call (Hide Caller ID)
9.Call Forward (Always/Busy/No Answer)
10.Call Transfer (Attended/Unattended)
11.Call Parking/Pick-up (Depending on server)
15.Voice Message (With server)
16.3-way Conference
17.Hot Line
18.Hot desking
Phone Features:
1.Local Phonebook (1000 entries)
2.Remote Phonebook (XML/LDAP, 1000 entries)
3.Call logs (In/Out/Missed, 1000 entries)
4.Black/White List Call Filter
5.Screen saver
6.Voice Message Waiting Indication (VMWI)
7.Programmable DSS/Soft keys
8.Network Time Synchronization
9.Support Bluetooth headset (Through USB Dongle BT20)
10.Support Wi-Fi Dongle
11.Support Plantronics wireless headset (Through Plantronics APD-80 EHS Cable)
12.Support Jabra wireless headset (Through Fanvil EHS20 EHS Cable)
13.Support Recording (Through Flash Drive or Server)
14.Action URL / Active URI
1.HD Voice Microphone/Speaker (Handset/Hands-free, 0 ~ 7KHz Frequency Response)
2.HAC handset
3.Wideband ADC/DAC 16KHz Sampling
4.Narrowband Codec: G.711a/u, G.723.1, G.726-32K, G.729AB, AMR, iLBC
5.Wideband Codec: G.722, AMR-WB, Opus
6.Full-duplex Acoustic Echo Canceller (AEC)
7.Voice Activity Detection (VAD) / Comfort Noise Generation (CNG) / Background Noise Estimation (BNE) / Noise Reduction (NR)
8.Packet Loss Concealment (PLC)
9.Dynamic Adaptive Jitter Buffer
10.DTMF: In-band, Out-of-Band – DTMF-Relay (RFC2833) / SIP INFO
1.Physical: 10/100/1000 Mbps Ethernet, dual bridged port for PC bypass
2.IP Mode:IPv4/IPv6/IPv4&IPv6
3.IP Configuration: Static IP / DHCP / PPPoE
4.Network Access Control: 802.1x
5.VPN: L2TP / OpenVPN
9.RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
1.SIP2.0 over UDP/TCP/TLS
Deployment & Maintenance:
1.Auto-Provisioning via FTP/TFTP/HTTP/HTTPS/DHCP OPT66/SIP PNP/TR-069
2.Web Management Portal
3.Web-based Packet Dump
4.Configuration Export / Import
5.Phonebook Import/Export
6.Firmware Upgrade
Physical Specifications:
1.Main LCD x1: 2.8-inch (320×240) Color Screen
2.DSS Key-mapping LCD x1: 2.4-inch (240×320) Color Screen
3.Keypad: 41 keys, including
4.3 Line keys (With LED Indicator Light)
5.4 Soft-keys
6.6 Function keys (Hold, Call forward, Conference, MWI, Headset, Redial)
7.4 Navigation keys
8.1 OK key
9.12 Standard Phone Digits keys
10.3 Volume Control keys (Up/Down/Mute (Microphone))
11.6 DSS keys (With LED Indicator Light)
12.1 Page-Switch (PS) key (With LED Indicator Light)
13.1 Hands-free key (With LED Indicator Light)
14.HD Handset (RJ9) x1
15.Standard RJ9 Handset Wire x1
16.1.5M CAT5 Ethernet Cable x1
17.Back Rack x1
18.Status Indicator Light x1 (Red)
19.RJ9 Port x2: Handset x1, Headset x1
20.RJ45 Port x2: Network x1, PC x1 (Bridged to Network)
21.USB2.0 Port x1: Standard A, Connect with USB dongle(BT or Wi-Fi) or Flash Driver
22.Safety Keyhole x1
23.DC Power Input: 5V/2A
24.Power Consumption (PoE): 1.7W~10.46W
25.Power Consumption (Adapter): 1.38W~9.13W
26.Working Temperature: 0~45℃
27.Working Humidity: 10~95%
29.Desktop Stand
30.Wall-mounted (need an additional wall hanging parts)
31.Color: Black

1. WORLDWIDE SHIPPING. Normal we all use China post air mail with Reigister.Buyer’s country customs taxes or clearance by yourself.Buyer’s country customs taxes or clearance by yourself.If Customers not clear customs or pay taxes to lost or return.No refund and Resend.
2. Orders processed timely after the payment verification.
3. We only ship to confirmed order addresses. Your order address MUST MATCH your Shipping address.Russian Order must with FUll Name.
4. The images shown are not the actual item and are for your reference only.
5. SERVICE TRANSIT TIME is provided by the carrier and excludes weekends and holidays. Transit times may vary, particularly during the holiday season.
6. If you have not received your shipment within 30 days from payment, please contact us. We will track the shipment and get back to you as soon as possible with a reply. Our goal is customer satisfaction!
7. Due to stock status and time differences, we will choose to ship your item from our first available warehouse for fast delivery.

1. You have 7 days to contact us and 30 days to return it from the date it was received. If this item is in your possession more than 7 days, it is considered used and WE WILL NOT ISSUE YOU A REFUND OR REPLACEMENT. There are NO EXCEPTIONS! Shipping cost is bear by both seller and buyer in half.
2. All returned items MUST BE in the original packaging and you MUST PROVIDE us with the shipping tracking number, specific reason for the return, and your po#.
3. We will refund YOUR FULL WINNING BID AMOUNT, upon receipt of the item in its original condition and packaging with all components and accessories included, AFTER BOTH Buyer and Seller cancel the transaction from aliexpress. OR, you may choose to have a replacement.
4. We will bear all the shipping cost if the product(s) is (are) not as advertised.

1. 6 months Manufacturer`s limited Warranty for defective items (excluding items damaged and/or misused after receipt). Accessories come with 1-month warranty.
2. Defective items MUST BE reported and returned within the warranty period (and in the original packaging, if possible). You must tell us what the defect is and give us your order number. WE DO NOT REPAIR OR REPLACE ITEMS WITH AN EXPIRED WARRANTY.
You agree to all of the above-listed policies upon ordering on aliexpress!

We maintain high standards of excellence and strive for 100% customer satisfaction! Feedback is very important We request that you contact us immediately BEFORE you give us neutral or negative feedback, so that we can satisfactorily address your concerns.
It is impossible to address issues if we do not know about them!


  • Over 37,000 happy customers worldwide
  • Real people on our support team ready to help
  • We proudly offer a full satisfaction guarantee. Our highest priority is to make you happy, so every order comes with a 60-day money back guarantee!
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We truly believe in the best customer support, meaning we will do whatever it takes to make sure you have a positive purchase experience. We respond to emails within 24 hours and always make sure all your concerns are answered ASAP.

  • Easy Returns. All our products are backed with 60-day money back guarantee. Just contact us and we will refund the purchase price.
  • Risk-Free Purchase: Our Buyer Protection covers your purchase from click to delivery so you can shop with peace of mind.
  • 100% Satisfaction Guarantee: All our products are backed with 60-day money back guarantee. If for any reason you’re not completely satisfied with your purchase, contact us for a product refund. We’ll be more than happy to assist you.
Shipping & Payment

Shipping and delivery

We are proud to offer international shipping services that currently operate in over 200 countries and islands world wide. Nothing means more to us than bringing our customers great value and service. We will continue to grow to meet the needs of all our customers, delivering a service beyond all expectation anywhere in the world.

How do you ship packages?

Packages from our warehouse in China will be shipped by ePacket or EMS depending on the weight and size of the product. Packages shipped from our US warehouse are shipped through USPS.

Do you ship worldwide?

Yes. We provide free shipping to over 200 countries around the world. However, there are some locations we are unable to ship to. If you happen to be located in one of those countries we will contact you.

What about customs?

We are not responsible for any custom fees once the items have shipped. By purchasing our products, you consent that one or more packages may be shipped to you and may get custom fees when they arrive to your country.

How long does shipping take?

Shipping time varies by location. These are our estimates:

Location *Estimated Shipping Time
United States 10-30 Business days
Canada, Europe 10-30 Business days
Australia, New Zealand 10-30 Business days
Central & South America 15-30 Business days
Asia 10-20 Business days
Africa 15-45 Business days
*This doesn’t include our 2-5 day processing time.

Do you provide tracking information?

Yes, you will receive an email once your order ships that contains your tracking information. If you haven’t received tracking info within 5 days, please contact us.

My tracking says “no information available at the moment”.

For some shipping companies, it takes 2-5 business days for the tracking information to update on the system. If your order was placed more than 5 business days ago and there is still no information on your tracking number, please contact us.

Will my items be sent in one package?

For logistical reasons, items in the same purchase will sometimes be sent in separate packages, even if you've specified combined shipping.

If you have any other questions, please contact us and we will do our best to help you out.

Refunds & returns policy

Order cancellation

All orders can be cancelled until they are shipped. If your order has been paid and you need to make a change or cancel an order, you must contact us within 12 hours. Once the packaging and shipping process has started, it can no longer be cancelled.


Your satisfaction is our #1 priority. Therefore, you can request a refund or reshipment for ordered products if:

  • If you did not receive the product within the guaranteed time( 45 days not including 2-5 day processing) you can request a refund or a reshipment.
  • If you received the wrong item you can request a refund or a reshipment.
  • If you do not want the product you’ve received you may request a refund but you must return the item at your expense and the item must be unused.

We do not issue the refund if:

  • Your order did not arrive due to factors within your control (i.e. providing the wrong shipping address)
  • Your order did not arrive due to exceptional circumstances outside the control of Gentech Direct (i.e. not cleared by customs, delayed by a natural disaster).
  • Other exceptional circumstances outside the control of https://gentechdirect.com

*You can submit refund requests within 15 days after the guaranteed period for delivery (45 days) has expired. You can do it by sending a message on Contact Us page

If you are approved for a refund, then your refund will be processed, and a credit will automatically be applied to your credit card or original method of payment, within 14 days.


If for any reason you would like to exchange your product, perhaps for a different size in clothing. You must contact us first and we will guide you through the steps.

Please do not send your purchase back to us unless we authorise you to do so.


How much do you charge for shipping?

We provide free shipping to over 200 countries around the world*
*with some exceptions

Will I be charged any shipping, customs or duties fees?

No, the price you see is the price you pay - you won't be charged any extra fees.

When will you ship my order?

If you order an in-stock item, we’ll ship it within 3 working days.

How long will my order take to arrive?

Orders are shipped by EMS or USPS. Typically, delivery takes 5-20 working days after dispatch, but it may take longer due to factors beyond our control.

Do you provide tracking information?

You will receive your tracking information within 3-5 working days. But sometimes tracking might not be available if free shipping applies. In this case, please contact us at support@gentechdirect.com

Can I cancel my order?

You can change or cancel your order within 12 hours. Please contact us at support@gentechdirect.com

About Us
Customer commitment

We’re a company with a customer-obsessed culture and try to meet and exceed your expectations every time you shop our store. Your opinion is our biggest drive for improvement. Feel like a true insider with our exclusive offers and closed promotions.

Passion for our work

We're real fans of what we do! Our store is full of amazing carefully hand-picked products that you won’t find anywhere else, that’s for sure.We strongly believe that great stuff shouldn’t cost a fortune that’s why you can trust us to offer goods for every budget.

Inspiration and creativeness

Get the treat that you deserve and indulge yourself in your favorite merch, we cater for all tastes. Shopping has never been more enjoyable!

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