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Grandstream
Grandstream-GXW4248
Grandstream-GXW4248
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Grandstream GXW4248 – Key Features & Specifications
| Feature | Specification |
|---|---|
| Product Model | Grandstream GXW4248 |
| Product Type | High-Density 48-Port FXS VoIP Gateway |
| FXS Ports | 48 FXS ports |
| Analog Interface | 2 × RJ21 (50-pin) Telco connectors |
| SIP Accounts | 48 SIP accounts; 4 SIP server profiles |
| Concurrent Calls | Up to 48 concurrent calls |
| Network Interface | 1 × Gigabit Ethernet RJ45 (10/100/1000 Mbps) |
| SIP Protocol | SIP over UDP/TCP/TLS |
| Voice Codecs | G.711, G.722, G.723.1, G.726, G.729, iLBC, Opus |
| Echo Cancellation | G.168 compliant echo cancellation |
| Voice Features | VAD, CNG, PLC, dynamic jitter buffer and AGC |
| Fax Support | T.38 Fax over IP with automatic G.711 fallback |
| DTMF | In-audio, RFC2833 and SIP INFO |
| Caller ID | Bellcore Type 1/2, ETSI, BT, NTT and DTMF-based CID |
| QoS | DiffServ, TOS and 802.1p/Q VLAN tagging |
| Security | SRTP, TLS/SIPS, HTTPS, AES-128 encryption and Secure Boot |
| Provisioning | TFTP, HTTP, HTTPS, FTP, FTPS and TR-069 |
| Management | Web browser, HTTPS, SSH, Syslog, voice prompts and TR-069 |
| LCD Display | Backlit 128 × 32 graphical LCD |
| Telephony Features | Call waiting, call transfer, call forwarding, DND, 3-way conference, paging, MWI and auto dial |
| Power Supply | 100–240 VAC input; 24 VDC / 6.25 A output |
| Power Consumption | Up to 150 W |
| Mounting | Desktop / Rack-mountable |
| Dimensions | 440 × 255 × 44 mm (1U) |
| Operating Temperature | 0°C to 40°C |
| Applications | Enterprise IP-PBX systems, offices, call centers and environments requiring high-density analog phone connectivity |
| Key Benefit | High-density 48-port FXS gateway for integrating large numbers of analog phones or fax devices with SIP-based IP-PBX and VoIP systems |
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