Grandstream
Grandstream 16 port FXS Gateway | GXW4216
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Bridge Your Analog Devices to a Powerful VoIP Network
The Grandstream GXW4216 is a high-performance, high-density VoIP gateway designed for small to medium businesses. It provides a cost-effective hybrid IP and analog telephone system that allows you to leverage the benefits of VoIP communications while preserving your investment in existing analog phones, fax machines, and legacy PBX systems. This next-generation gateway is fully compliant with SIP standards, ensuring broad interoperability with various VoIP systems and analog PBXs on the market. Featuring 16 FXS analog telephone ports, superb voice quality, and a rich set of telephony functionalities, the GXW4216 is engineered for reliability and strong performance in handling high-volume voice calls.
High-Density Connectivity and Superior Performance
The GXW4216 is equipped with 16 RJ11 FXS ports and a 50-pin Telco connector, offering flexible deployment options. A single auto-sensing 10/100/1000Mbps Gigabit Ethernet port ensures high-speed network connectivity. The device features a backlit 128x32 graphic LCD display for easy configuration and status monitoring, with support for multiple languages. For advanced security, it supports TLS, SRTP, and HTTPS protocols, protecting your calls and accounts with robust encryption.
Advanced Telephony and Management Features
This gateway supports a comprehensive suite of telephony features, including call transfer, call forward, call waiting, 3-way conferencing per port, and flexible dial plans. It supports 4 distinct SIP server profiles per system and an independent SIP account for each port. The GXW4216 also features advanced carrier-grade 128ms-tail-length line echo cancellation for crystal-clear audio. Automated provisioning is made simple with support for TR-069 or AES encrypted XML configuration files.
Technical Specifications
| Interfaces | |
|---|---|
| Telephone Interfaces | 16 x RJ11 FXS ports plus 1 x 50-pin Telco connector |
| Network Interface | 1 x 10/100/1000Mbps auto-sensing RJ45 port |
| LED Indicators | Power, LAN Link/Activity, Per Port Telephone Connection |
| LCD Display | Backlit 128x32 graphic LCD with multi-language support |
| Voice, Fax, Modem | |
| Voice-over-Packet Capabilities | Carrier-grade line echo cancellation (128ms-tail-length), dynamic jitter buffer, modem detection & auto-switch to G.711 |
| Voice and Fax Codecs | G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax |
| Fax over IP | T.38 compliant Group 3 Fax Relay up to 14.4kpbs and auto-switch to G.711 for Fax Pass-through |
| Signaling & Control | |
| Telephony Features | Call transfer, call forward, call waiting, do not disturb, message waiting indication, 3-way conference, caller ID |
| VoIP Signaling | SIP (RFC 3261) over UDP/TCP/TLS |
| SIP Server Profiles | 4 distinct SIP server profiles per system, independent SIP account per port |
| Provisioning | TR-069, AES encrypted XML configuration file, TFTP, HTTP, HTTPS |
| Security | |
| Media | SRTP |
| Control | TLS/SIPS/HTTPS |
| Protection | Over-voltage and over-current protection (ITU-T K.21) |
| Physical & Environmental | |
| Power Supply | Output: 12VDC, 5A; Input: 100 ~ 240VAC, 50 ~ 60Hz |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Dimensions (L x W x H) | 440mm x 185mm x 44mm (17.3" x 7.3" x 1.7") |
| Weight | 2.39 kg (5.27 lbs) |
| Mounting | Rack mountable (1U) and desktop |
Manufacturer Technical Data
| Product Spec Sheet |
 Download |
|---|
Shipping & Returns
- R120 Delivery Fee
- 30 Day Returns
- 24 Hour Live Chat Support
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Frequently Asked Questions
Answers to frequently asked questions
Does NexGen Computing conduct regular security audits?
Yes, we regularly conduct security audits and vulnerability assessments to identify and address potential security weaknesses, maintaining a high level of security and compliance with industry standards.
How can I stay informed about policy changes?
We reserve the right to update or modify our policies at any time. Changes will be posted on our website, and your continued use of our products and services constitutes acceptance of any changes.
Where can I find more information or ask additional questions?
For more information or assistance, please visit our website at www.nexgencomputing.co.za or contact us at support@nexgencomputing.co.za.
How does NexGen Computing handle shipping and delivery?
Orders are processed promptly, with delivery details provided at checkout. Tracking information will be emailed once your order ships.
What is the return and refund policy?
Refunds are typically issued for defective or incorrect items within 14 days of receipt. For detailed information, please refer to our Refund Policy.
Is my payment information secure?
Yes, all payments made on our site are processed securely on our domain using industry-standard security measures. Sensitive data, such as credit card numbers, are processed by PCI-compliant payment processors like Yoco, Paystack, and Peach Payments.
