| Model Name/Number | GXW4224 |
| Brand | Grandstream |
| Telephony Feature | Caller ID display or block, call waiting, blind or attended call transfer, call forward, do not dis |
| QoS | DiffServ, TOS, 802.1P/Q VLAN tagging |
| Network Protocols | TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, TELNET, PPPoE, STUN, LLDP |
| DTMF Method | Flexible DTMF transmission methods including in-audio, RFC2833, and/or SIP INFO |
| SIP Server Profiles & Accounts Per System | 4 distinct SIP server profiles per system and independent SIP account per telephone port |
Key Specifications
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Part of the Grandstream “GXW42xx” series high-density analog FXS gateways: 16/24/32/48 FXS ports. grandstream.com+2grandstream.com+2
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For the GXW4224: 24 analog FXS ports (RJ-11) plus 1 × 50-pin Telco connector. avanzada7.com+1
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Network interface: 1 × 10/100/1000 Mbps auto-sensing RJ45. grandstream.com+1
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Protocols / VoIP support: SIP (RFC 3261) over UDP/TCP/TLS, wide codec support (G.711, G.723.1, G.726, G.729A/B, iLBC), T.38 fax support. grandstream.com+1
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Telephony features: Caller ID display, call transfer/forward/wait, 3-way conferencing per port, flexible dial plan, message waiting indicator. grandstream.com+1
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Hardware / physical: For the GXW4224, dimensions approx 440 mm (L) × 185 mm (W) × 44 mm (H) when rack-mounted (1U). Weight ~2.6 kg. grandstream.com+1
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Power supply: Universal input 100-240 VAC, output 12 V DC (for 4216/4224/4232 models) at up to ~5A, max ~60W.










