On 9 December 2025, OpenVox Communication Co., Ltd. announced the commercial launch of its new DGW‑L302 and DGW‑L304 gateways. Designed for businesses and operators, these gateways connect PSTN/ISDN lines to VoIP networks while providing seamless convergence between traditional telephony and IP.
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OpenVox launches the DGW‑L302/4 series, high-performance VoIP gateways
OpenVox unveils the DGW‑L302/4 gateways, capable of handling up to 120 concurrent calls and easily integrating traditional digital lines with IP networks.
Technical specifications
The DGW‑L302 offers 2 software-selectable E1/T1/PRI ports and supports up to 60 concurrent calls. The DGW‑L304 doubles these capabilities with 4 ports and 120 calls. Both models support PRI, SS7, and R2 signaling, as well as a wide range of codecs (G.711, G.723.1, G.729, iLBC, OPUS, AMR).
Connectivity and management
Each gateway is equipped with two Gigabit Ethernet ports with Layer 2/3 QoS, IPv4/IPv6 support, NAT traversal, and cloud management. The intuitive graphical interface simplifies configuration, while robust APIs enable the development of custom applications.
Interoperability
The DGW‑L302/4 models are compatible with leading VoIP systems such as Asterisk, Issabel, 3CX, FreeSWITCH, VOS, and BroadSoft, ensuring seamless integration into existing infrastructure.
