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48 FXS port VoIP gateway

Grandstream GXW4248 Information:


The impressive Grandstream GXW4248 is a generation now high-performing high-density analog VoIP gateway that is completely compliant with SIP standard and interoperable with various VoIP systems, analog PBX and phones on the the market.


The Grandstream GXW4248 features numerous FXS analog telephone ports, top notch voice quality, rich telephony functionalities, easy provisioning, flexible dialing plans, advanced security protection, and powerful performance in handling high volume phone calls.


The Grandstream GXW42XX series gateway gives 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.




  • Gigabit Ethernet and a backlit 128x32 graphic display with support for multiple languages
  • 4 SIP Server profiles per system and independent SIP account per port
  • Supported voice/Fax codecs include G.711, G.723.1, G.726A/B, iLBC, T.38 Fax
  • Advanced carrier grade 128ms-tail-length G.168 line echo cancellation
  • Over-voltage and over-current protection(ITU-T, K.21)
  • 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
  • Advanced security and privacy protection




Mfg. Part Number: GXW4248

UPC Code: 6947273701286


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