Key facts
- Manuals
- 1
- Languages
- EN
- Last added
- 2026-10-01
Featured Soundwin manuals
Soundwin S200/S400 Series VoIP Gateway Catalogue
The Soundwin S200/S400 Series VoIP Gateway is a residential gateway that supports both SIP and H.323 protocols, offering 2 or 4 FXS/FXO ports, a four‑port Ethernet switch and built‑in NAT router for voice and data integration with the PSTN. It includes Smart‑QoS, NAT traversal, call hunting, and a web‑based graphical interface for remote management.
Key specifications include AC100V‑240V / DC12V 1.5A power input, dimensions of 260 × 130 × 35 mm, weight of 900 g, operating temperature 0 °C‑40 °C and humidity up to 90 % non‑condensing. The device supports multiple voice codecs (G.711, G.729AB, G.723), fax over T.30/T.38, and advanced IP features such as STUN, ENUM and symmetric RTP.
Covers: Key Features · Application Scenario · Telephony Specification · IP Specifications · General Specification · Configuration & Management
Latest Soundwin manuals
Soundwin S200/S400 Series VoIP Gateway Catalogue
Product Leaflet 4 pages · 412 KB · ENThe Soundwin S200/S400 Series VoIP Gateway catalogue provides specifications, features, and configuration details for the residential SIP/H.323 gateway.
Questions answered in Soundwin manuals
What voice codecs are supported by the S200/S400 gateway?
It supports G.711 (A‑law/µ‑law), G.729AB and G.723 (6.3 kbps / 5.3 kbps).
Does the gateway work behind a NAT or firewall?
Yes, NAT traversal is built in, allowing operation behind any NAT/Firewall without additional configuration.