Grandstream GXW4004 (REFRESH)
This Refreshed Product has undergone an extensive 10 Step Process in which it was inspected, tested, fully cleaned, upgraded to the latest firmware and repacked for sale.
Refresh products ship with all the applicable original components including phone, handset cord, base stand, RJ45 cable and manuals.
Grandstream GXW4004 VoIP Gateway REFRESH
The Grandstream GXW4004 is auto-configurable, remotely manageable and scalable. It features a 4-port FXS interface for analog telephones, dual 10M/100M network ports with integrated router, PSTN lifeline in case of power failure, and an RS232 serial port for administration.
Refreshed Grandstream GXW4004 VoIP Gateway Overview
The Grandstream GXW4004 supports 2 SIP account profiles, caller ID for various countries/regions, T.38 fax, flexible dialing plans, security protection (SIPS/TLS), and comprehensive voice codecs.
Refreshed Grandstream GXW4004 Features and Functions
- 4 FXS ports
- Two RJ-45 ports 10/100 Mbps (switched or routed)
- Multiple SIP accounts (choice of 2 profiles per account)
- T.38 Fax compliant
- G.168 Echo Cancellation
- Voice Activation Detection (VAD)
- Comfort Noise Generation (CNG)
- Packet Loss Concealment (PLC)
- Supports PSTN/PBX analog telephone sets or analog trunks
What's Included

PLUS6 Warranty
Refreshed Products come with a standard 6 month warranty with an additional 6 months of coverage available through the PLUS6 WARRANTY.
All Refresh Products purchases are non-refundable. Replacement or store credit will be given if product is deemed defective inside of 6 months.
Why Buy Refresh?
✚ Value - Refresh products represent an exceptional value as they can be purchased for 20 to 25 percent less than their new equivalent retail price. ✚ Reliability- You can be assured that each product has been fully tested and ready to perform just like it was when originally purchased. ✚ Performance - All Refresh products go through an extensive reconditioning process which includes feature/functionality testing, component replacement (if necessary) and software upgrades. ✚ Warranty - Every Refresh product comes with a standard six month warranty that covers mechanical failures and defects. In addition VoIP Supply also offers an additional six months of protection through the Plus 6 warranty.