The Grandstream GXW4224 is a 24-port FXS gateway with RJ11 connections, designed to bring a large bank of analog phones or fax lines onto a SIP-based VoIP network.
It's a practical, mid-density option for offices and hotels transitioning away from analog telephony.
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| FXS Ports | 24 (RJ11) |
| Network Interface | 2 x Gigabit RJ45 with integrated NAT router |
| Voice Codecs | Opus, G.711, G.722, G.723.1, G.726, G.729A/B, iLBC |
| Fax Support | T.38 Fax-over-IP |
| Security | TLS, SRTP |
| Provisioning | Automated via HTTP/TFTP with XML config files |
| Mid-Density Analog Migration: A practical step up from small ATAs for larger analog extension counts |
| Simple Deployment: Auto-provisioning gets large batches of ports online quickly |
| Dependable Voice Quality: Advanced echo cancellation for clear analog-to-VoIP calls |
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