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The GrandStream GXW4216 is a robust 16-port FXS gateway designed to seamlessly bridge traditional analog telephony systems with modern VoIP networks. This enterprise-grade device provides businesses with a cost-effective solution for integrating existing analog phones, fax machines, and PBX systems into IP-based communication infrastructures.
The GXW4216 is an ideal solution for businesses transitioning to VoIP while preserving investments in analog equipment. Small to medium-sized enterprises can leverage this gateway to modernize their communications infrastructure without replacing functional analog phones, fax machines, or legacy PBX systems. The device supports universal caller ID standards including Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based formats, ensuring compatibility across global deployments. With its comprehensive security features and support for industry-standard SIP protocols, the GXW4216 integrates seamlessly with most IP-PBX systems and SIP-based communication platforms.
When you purchase from us, you're supported by a team with over 30 years of industry expertise and a track record of serving more than 250,000 satisfied customers. Every product comes with a warranty and our commitment to your satisfaction, ensuring you can invest with confidence in your business communications infrastructure.
New items ship in their original manufacturer's packaging. These items are in excellent condition with no blemishes on their housings.
| Manufacturer | Grandstream |
|---|---|
| Model | GXW4216 |
| Network Interface | 1x Gigabit Ethernet port |
| # of Telephone Interfaces | 16 x RJ11 & 1 50-pin Telco connector |
| LCD display | Backlit 128x32 graphic LCD with multi-language support |
| LED indicators | Power, LAN Link, LAN Activity, Connection Per Telephone Port |
| Voice Compression | G.711, G.723.1, G.726 (40/32/24/16), G.729 A/B, iLBC |
| Fax over IP Support | T.38 compliant Group 3 Fax Relay (up to 14.4kbps); auto-switch to G.711 for Fax Pass-through |
| Telephony Features | Call transfer, forward, waiting, DND, 3-way conference, last call return, paging, MWI |
| Caller ID | Bellcore Type 1&2, ETSI, BT, NTT, and DTMF-based CID |
| Provisioning | TFTP, HTTP, HTTPS, TR-069, XML config files, Zero Config with Grandstream UCM |
| Security | SRTP, TLS/SIPS, HTTPS (AES-128 encryption) |
| Dimensions | 7.28" x 17.32" x 1.73" |
| Mounting | Desktop and rack mount with front brackets |
| Included | Universal Power Supply (12VDC, 5A) and front brackets |
Rest assured, if you order the wrong items, don't like the model, or just don't need it anymore we accept returns with NO restocking fees. Whether you want something different or just a credit, we have you covered! This policy goes hand in hand with our company culture of delivering outstanding customer satisfaction.
If you need assistance finding a different product our awesome staff is ready to help. Contact us for expert support.
All products purchased from us are covered by a 1-year warranty from the date of purchase, covering manufacturing defects and functional failures under normal business use.
Please note that batteries are an exception to this policy. Batteries are covered by a 90-day warranty due to their consumable nature.
This warranty does not cover damage caused by misuse, unauthorized modifications, or improper handling. For any warranty claims, please contact our support team with your purchase details and a description of the issue.
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