The DVG-6004S/6008S VoIP Gateway User's Manual describes the features and characteristics of D-Link's DVG-6004S/6008S VoIP Gateway.
This manual introduces the DVG-6004S/6008S VoIP Gateway, describing its hardware layout, front and rear panels, and the functions of its WAN, LAN, and FXO ports. It explains how to connect the gateway to a network and telephone lines, and outlines the supported voice codecs and SIP features.
The document then guides users through web‑based configuration, IVR setup, dialing principles, and advanced options such as NAT, DDNS, QoS, and firewall protection. An appendix lists detailed product features, call functions, and maintenance procedures.
| WAN port | One 10/100Mbps auto‑negotiation, auto‑MDI/MDIX RJ‑45 Ethernet port |
|---|---|
| LAN ports | Four 10/100Mbps auto‑negotiation, auto‑MDI/MDIX RJ‑45 Ethernet ports |
| FXO ports | 4 or 8 FXO (Foreign eXchange Office) ports depending on model |
| Supported voice codecs | G.711 a/ulaw, G.726, G.729A, G.723.1 |
| QoS support | IP TOS and DiffServ for SIP signaling and RTP |
| SIP compatibility | SIP (RFC3261) compatible |
Disconnect the power plug, press and hold the reset button for 6 seconds, reconnect power while holding the button, then release after 6 seconds.
The gateway supports G.711 a/ulaw, G.726, G.729A, and G.723.1 codecs.
It provides either 4 or 8 FXO ports, depending on the specific model.