The Grandstream GXW4216 V2 is a high-performance FXS gateway designed to seamlessly connect analog devices to VoIP networks. This 16-port solution delivers enterprise-grade voice connectivity with advanced security features and flexible deployment options, making it ideal for businesses transitioning to IP-based communications.
The GXW4216 V2 bridges the gap between legacy analog equipment and modern VoIP infrastructure, protecting your investment in existing devices while enabling cost-effective IP telephony. Whether you're managing a small office, call center, or multi-location enterprise, this gateway provides the reliability and scalability needed for mission-critical communications. The device supports international caller ID standards (Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based) and offers comprehensive security protocols to safeguard your voice traffic against unauthorized access.
When you choose this Grandstream GXW4216 V2, you're backed by a company with over 30 years in the business and a proven track record of reliability. Every unit undergoes a meticulous testing and inspection process to ensure it meets our high standards for performance and dependability. You can purchase with confidence knowing you're getting quality hardware at competitive pricing.
This gateway arrives ready to deploy in your network environment, providing immediate value and helping you modernize your communications infrastructure without unnecessary delays. With comprehensive warranty coverage and dedicated support, you have everything you need to integrate this solution into your business operations seamlessly.

These products are brand new and have never been used. They arrive in the original manufacturer packaging in pristine, factory-fresh condition.
| Manufacturer | Grandstream |
|---|---|
| Model | GXW4216-V2 |
| Network Interface | 1x Gigabit Ethernet port |
| # of Telephone Interfaces | 16 x RJ11 & 1 50-pin Telco connector |
| LCD display | Backlit 128x32 graphic LCD display with multi-language support |
| LED indicators | Power, LAN Link, LAN Activity, Connection Per Telephone Port |
| Voice Compression | G.711, G.723, G.726-32, G.729, G.722 (wide band), iLBC, Opus (wide-band) |
| 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 | Caller ID display/block, call waiting, transfer (blind/attended), forward, DND, 3-way conference, last call return, paging, MWI, auto dial |
| Caller ID | Bellcore Type 1 & 2, ETSI, BT, NTT, and DTMF-based CID |
| Provisioning | TFTP, HTTP, HTTPS, FTP, FTPS, TR-069, XML config files; Zero Config with Grandstream UCM |
| Security | SRTP, TLS/SIPS, HTTPS (AES-128), SecureBoot, random admin passwords, unique certificates, dual firmware images |
| Dimensions | 7.28" x 17.32" x 1.73" |
| Mounting | Desktop and rack mount with front brackets |
| Included | 1x GXW4216-V2 1x Universal Power Supply 1x front brackets |
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