The Grandstream GXW4248 v2 is a high-density analog VoIP gateway designed for businesses requiring reliable connectivity for up to 48 analog phones or fax machines. With 48 FXS ports and 2 Gigabit Ethernet ports, it supports up to 30 concurrent SIP calls, making it ideal for medium to large offices, hotels, or call centers. The gateway supports a wide range of voice codecs including G.711, G.729A/B, G.722, iLBC, and GSM, ensuring clear audio quality across various network conditions.
Security is a priority with support for TLS, SRTP, HTTPS, SSH, and 802.1X authentication, protecting voice communications from eavesdropping and unauthorized access. The device can be provisioned via TR-069, XML, TFTP/HTTP/HTTPS, or configuration files, simplifying deployment and management. Its 1U rack-mountable design (440 x 220 x 44 mm) fits standard server racks, and the power supply accepts 100-240V AC input with a 12V DC output.
| FXS Ports | 48 (RJ11) |
| LAN Ports | 2 (10/100/1000 Mbps) |
| Voice Codecs | G.711 (A-law/μ-law), G.729A/B, G.722, iLBC, GSM |
| Concurrent Calls | Up to 30 |
| Protocols | SIP v2 (RFC 3261), TCP/UDP/TLS |
| Security | TLS, SRTP, HTTPS, SSH, 802.1X |
| Provisioning | TR-069, XML, TFTP/HTTP/HTTPS, config file |
| Power | Input: 100-240V AC, 50-60Hz; Output: 12V DC, 2A |
| Dimensions | 440 x 220 x 44 mm (1U rack-mount) |
| Weight | 2.5 kg |
| Brand | GRANDSTREAM |
|---|---|
| Country | USA |
| Address of origin | 126 Brookline Ave, 3rd Floor Boston, MA 02215 |
| EU responsible person | Grandstream Networks, Inc. |
| Address | Aalsmeerderweg 249H, 1432 CN Aalsmeer, Netherlands |
| [email protected] | |
| Phone | 31208082351 |
