Grandstream GXW4216 24 32 48 FXS Analog VoIP Gateway for PSTN IP PBX

FOB Reference Price:Get Latest Price
US $300-350 / Set | 1 Set/Sets (Min. Order)
Supply Ability:
200 Set/Sets per Week
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Quick Details
Place of Origin:
Guangdong, China (Mainland)
Brand Name:
Model Number:
VoIP Gateway
Grandstream GXW4216 24 32 48 FXS Analog VoIP Gateway for PSTN IP PBX
Power Input:
Input:100-240VAC, 50/60Hz
LCD screen:
128x32 pixel
RJ-11 connectors:
NAND Flash:
128MB (+ separate 8MB if with a slave processor)
Function Buttons:
1 button for Reset/Factory Reset
Desktop and Rack mount
Onhook Voltage:
Fixed, 48V
key words:
voip gateway,analog gateway,fxs gateway
Packaging & Delivery
Packaging Details
Original carton package
Delivery Time
Within 5 working days after the receipt of the payment
Grandstream GXW4216 24 32 48 FXS Analog VoIP Gateway for PSTN IP PBX
Product Overview

The new GXW42XX series has a compact andquiet design and offers superb audio quality, rich feature functionality, strong security protection, and good manageability. It is auto-configurable, remotely manageable and scalable.

The  GXW42XX  series  features  16,  24,  32  or  48 port  FXS  interface  for  analog  telephones,  dual 10/100/1000Mbps network ports, and RJ21analog port. In addition, it supports the option of 4 SIP Server profiles, caller ID for various countries/regions, T.38 fax, flexible dialing plans, security protection (SIPS/TLS), comprehensive voice codec including G.711 (a/u-law), G.723.1, G.726(16/24/32/40 bit rates),iLBC and G.729.

Product Highlights


The GXW42XX is a next generation IP voice gateway that is interoperable and compatible with leading IP-PBXs, Soft switches and SIP platforms. The GXW42XX FXS gateway is auto-configurable, remotely manageable and scalable.  The GXW42XX gateways come in four models - the GXW4216, GXW4224, GXW4232and GXW4248,each offering superb voice quality, traditional telephony functionality, easy deployment, and 16, 24,32 and 48FXS ports respectively. Each model features flexible dialing plans, integrated call routing to support a pure IP network call and an external power supply.

  • 16, 24, 32 or 48FXS ports (no front panel FXS ports on GXW4248)
  • RJ-45 Ethernet ports
  • 4 configurable SIP profiles
  • Supports Voice Codecs:
    • G711(a/µ, Annex I & II), G723.1A, G726 (ADPCM with 16/24/32/40 bit rates), G729 A/B,iLBC,T.38 
    • Fax
  • Comprehensive Dial Plan support for Outgoing calls.
  • G.168 Echo Cancellation
  • Voice  Activation  Detection  (VAD),  Comfort  Noise  Generation  (CNG),  and  Packet  Loss
  • Concealment (PLC)
  • Supports PSTN/PBX analog telephone sets or analog trunks


Product Pictures


GXW4216/24/32/48 Combination





GXW4216 front & back appearance
















Telephone Interface

16 RJ11 Ports/

1 RJ21 Port

24 RJ11 Ports/

1 RJ21 Port

32 RJ11 Ports/

2 RJ21 Ports

2 RJ21 Ports only






Network interface

LAN, Single 10/100/1000 BASE-TX,RJ45

Power Input

Input:100-240VAC, 50/60Hz

Output: 12V DC, 5.0A(4216/24/32)

24V DC, 6.25A(4248 only)

LCD screen

128×32 pixel

Telco connector

1 RJ21 (50 pins)

1 RJ21 (50 pins)

2 RJ21 (50 pins)

2 RJ21 (50 pins)

RJ-11 connectors





NAND Flash



128MB (+ separate 8MB if with a slave processor)

Function Buttons

1 button for Reset/Factory Reset


Operation: 0°C to 45°C Storage:  -20°C to 60°C

Humidity:  10% to 90% Non-condensing


Desktop and Rack mount

Onhook Voltage

Fixed, 48V

Ring Voltage

50Vrms (balanced ringing)

Ring Frequency


Short Haul Loop

2REN: Up to 2km on 24 AWG wire

2REN: Up to 2km on 24 AWG wire

2REN: Up to 2km on 24 AWG wire

2REN: Up to 2km on 24 AWG wire

Outdoor Protection

Over-voltage Protection and surge immunity


FXS Loop-start


Packaging & Shipping
  • Trade terms: FOB,CIF,CFR,etc
  • Price Terms: L/C,D/P,T/T,Western Union,PAYPAL
  • Payment Terms: T/T in advance
  • MoQ:  1 pcs
  • FOB Price:US $1 - 1,000 / Piece
  • Port: Shanghai
  • Lead time: Within 5 working days after receipt payment.
  • Shipment: Express, Air, Sea
  • Supply capability: 200 Piece/Pieces per Week
  • Sample availability: Yes (not free)
  • Package information: carton package with the original package
  • We can provide detail documents and remote help for device installation and configuration.
  • Warranty: 1 year. ( After the quality guarantee period began to charge appropriate maintenance service fee.)
  • Our company promises goods enjoy full return due to quality problem since goods delivered within 7 days or 15 days , returned goods must keep original state and it’s accessories are complete.
  • Please add my Skype:Nathan.Liu2015 as your contact to know more detail information.
Company Information
Chucheng Information Technology Co., Ltd. ,which provides main services in terms of broadband communications and information technology industries, is a research and development, production, sales, service integration, high-tech enterprises.
Our products mainly covers the optical signal transmission and access, signal transmission and access, photoelectric signal conversion and photoelectric signal and so on.
The clients include major national telecom carriers, as well as radio and television, electricity, mining and other industry professional net users; We have already established a long-term friendly and cooperative relations with them. In addition, the company has been actively expanding into foreign markets. The products are exported to Europe, America, Southeast Asia, the Middle East as well as Japan, Korea and other neighboring countries; and many foreign clients alike.
We will constantly improve ourself and feed back with our superior-quality products and meticulous care to all walks of partners, creating a win-win situation.
 Please contact us to know details.
Contact: Nathan Liu    Skype:Nathan.Liu2015    WeChat: 2840781839   Q Q: 2840781839
Room 101,No.11 Lane 989 Jin Qiao Road,ShangHai,China