This document is the user manual for the D-Link DVG-5402SP VoIP router, describing the features and characteristics of the product.
The DVG-5402SP is a VoIP router that carries voice and fax over an IP network, using the SIP protocol and supporting multiple voice codecs. It includes a built‑in 4‑port Ethernet switch and can be integrated with existing broadband connections.
This manual covers hardware description, web‑based configuration, IVR setup, dialing options, and maintenance tasks such as firmware upgrades, backup/restore, and factory reset. It also lists technical specifications and supported features.
| WAN port | One 10/100Mbps auto‑negotiation, auto‑crossover RJ‑45 Ethernet port |
|---|---|
| LAN ports | Four 10/100Mbps auto‑negotiation, auto‑crossover RJ‑45 Ethernet ports |
| Supported voice codecs | G.711, G.726, G.729A, G.723.1 |
| SIP compatibility | SIP (RFC3261) compatible |
| NTP servers | Accepts up to 3 time servers |