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Grandstream Networks

Grandstream Networks GXW4248 48 FXS Port VoIP Gateway

SKU: GSGXW4248 MFR: GXW4248
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$851.99 $34 per week
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About the Grandstream Networks GXW4248

The Grandstream GXW4248 48 FXS Port VoIP Gateway is a next generation high performance high-density 48 port analog VoIP gateway that is fully compliant with SIP standard and interoperable with various VoIP systems, analog PBX and phones on the market. It features multiple FXS analog telephone ports, superb voice quality, rich telephony functionalities, easy provisioning, flexible dialing plans, advanced security protection and strong performance in handling high volume voice calls. The GXW4248 gateway offers small and medium businesses a cost-effective hybrid IP and analog telephone system that allows them to enjoy the benefits of VoIP communications while preserving investment on existing analog phones, Fax machines and legacy PBX systems.

Grandstream Networks GXW4248 Features

  • 48 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LED
  • Gigabit Ethernet and a backlit 128x32 graphic LCD display with support for multiple languages
  • 2 SIP server profiles per system and independent SIP account per port
  • Supported voice/fax codecs include G.711, G.723.1, G.726, G.729A/B, iLBC, T.38 Fax
  • Advanced carrier grade 128ms-tail-length line echo cancellation
  • Over-voltage and over-current protection (ITU-T K.21 Basic Test Level)
  • Support VMWI, NEON LED and stutter tone for message waiting indication
  • Automated provisioning using TR-069 or AES encrypted XML configuration file; TLS/SRTP/HTTPS for advanced security and privacy protection

Grandstream Networks GXW4248 Specifications

Telephone Interfaces 16/24/32/48 x RJ11 FXS ports plus 1/1/2 x 50 pin Telco connectors
Network Interfaces 1 x 10M/100M/1000Mbps auto-sensing RJ45 port
Audio Codecs G.711, G. 723, G.726 (40/32/24/16), G.729A/B/E, iLBC
LED Indicators LAN Link, LAN Activity, Per Telephone port
LCD Display Backlit 128x32 graphic LCD display with support for multiple languages
Voice-over-Pack Capabilities G.168 carrier grade line echo cancellation, dynamic jitter buffer, modem detection & auto-switch to G.711
Voice Compression G.711, G.723, G.726, G.729 A/B, iLBC
Fax over IP T.38 compliant Group 3 Fax Relay up to 14.4kbps and auto-switch to G.711 for Fax Pass-through, Fax Datapump V.17, V.21, V27ter, V29 for T.38 fax relay
QoS DiffServ, TOS, 802.1P/Q VLAN tagging
Network Protocols TCP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS, DHCP, NTP, TFTP, PPPoE, STUN, LLDP
DTMF Method Flexible DTMF transmission methods including In-audio, RFC2833 and /or SIP INFO
Signaling SIP (RFC 3261) over UDP/TCP/TLS
SIP Server Profiles & Accounts 2/3/4 distinct SIP server profiles per system and independent SIP account per telephone port
Provisioning TFTP, HTTP, HTTPS, TR069
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