GXW4104 - Uncategorized GRANDSTREAM - Free user manual and instructions
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| Product Type | VoIP Gateway with 4 FXO Ports |
| Dimensions (W x D x H) | 28.4 x 17.5 x 4.4 cm (11.2 x 6.9 x 1.7 in) |
| Weight | Approximately 0.96 kg (2.12 lbs) |
| Power Supply | 12V DC, 1A (external adapter) |
| Analog Ports | 4 RJ-11 FXO ports for PSTN lines |
| Network Interfaces | 2 RJ-45 10/100 Mbps Ethernet ports (WAN and LAN) |
| VoIP Protocols | SIP v2 (RFC 3261), TCP/UDP/IP, RTP/RTCP |
| Codec Support | G.711, G.729, G.723.1, G.726, ILBC |
| Fax Support | T.38 fax relay, pass-through |
| Voice Features | Caller ID, call waiting, call forwarding, DTMF, echo cancellation |
| Management | Web GUI, IVR, TR-069, TLS/SRTP |
| Mounting | Desktop or wall-mountable (brackets included) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
| Compliance | FCC, CE, RoHS, RCM |
| Maintenance | Keep dry and dust-free; clean with soft cloth; no liquids |
| Safety | Use only supplied power adapter; avoid overload; disconnect during storms |
| Spare Parts & Repairability | Power adapter available; unit not user-serviceable; contact support |
| General Information | Grandstream GXW4104, 4-port analog VoIP gateway, ideal for connecting legacy phone lines to IP PBX |
Frequently Asked Questions - GXW4104 GRANDSTREAM
How do I factory reset the GXW4104?
Press and hold the Reset pinhole button for 7 seconds while power is on. The device will restore default settings and reboot.
What is the default IP address of the GXW4104?
The default IP address is 192.168.0.10. Access the web interface by entering this address in a browser after connecting to the same network.
How do I configure the GXW4104 for SIP?
Log in to the web GUI, go to FXO Settings, and enter your SIP server details, authentication credentials, and configure each port individually.
Can the GXW4104 support fax machines?
Yes, the GXW4104 supports T.38 fax relay for reliable faxing over IP. Ensure fax mode is enabled for the appropriate FXO port.
What power adapter does the GXW4104 use?
It uses a 12V DC, 1A power adapter with a center-positive plug. Only use the adapter provided by Grandstream or a certified replacement.
How many simultaneous calls can the GXW4104 handle?
Each FXO port can handle one call at a time, so the GXW4104 supports up to 4 simultaneous calls across the PSTN lines.
Does the GXW4104 support VLAN?
Yes, it supports IEEE 802.1Q VLAN tagging on both WAN and LAN ports. Configuration is done in the Network Settings of the web GUI.
How do I update the firmware on the GXW4104?
Download the latest firmware from Grandstream's website, then go to Maintenance > Upgrade in the web GUI and upload the .fw file. The device will reboot automatically.
Can I use the GXW4104 with a VoIP PBX like Asterisk?
Yes, the GXW4104 is SIP-compatible and works seamlessly with Asterisk, FreePBX, 3CX, and other SIP-based PBX systems.
What LED indicators mean on the GXW4104?
Power (solid green), Ethernet (green link, blinking activity), FXO ports (green off-hook, red ring). Refer to manual for detailed LED states.
User questions about GXW4104 GRANDSTREAM
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USER MANUAL GXW4104 GRANDSTREAM
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Product information
Brand : GRANDSTREAM
Model : GXW4104
Category : Uncategorized