DAG2500 Series FXS Analog VoIP Gateway (DAG2500-48S / DAG2500-72S / DAG2500-96S)

The DAG2500 Series FXS analog gateway is compact and structured, supporting RJ45/RJ21 interface standards and up to 96 FXS voice interfaces at a size of 1U. It provides a high-performance hardware solution with robust voice/fax processing capabilities, making it ideal for service providers, enterprises, community residents, and corporate telephone systems. It supports standard SIP and RTP protocols and is fully compatible with multiple platforms such as BroadSoft, Asterisk, FreeSWITCH, and IMS/NGN softswitch platforms.

• Key Features and Benefits:

  • High-Density Capacity: High-density gateway offering 48, 72, or 96 FXS ports in a 1U size.

  • Network Stack: Full support for both IPv4 and IPv6 (Dual Stack).

  • Extended Line Range: Supports up to 5 km line length (MAX).

  • Management & Security: Supports SNMP, TR069, QoS, TLS, SRTP, RADIUS authentication, and VLAN 802.1P/802.1Q.

  • Voice & Fax Processing: Includes support for T.38/Pass-through, recording, modem/POS, silence suppression, comfort noise generation (CNG), VAD, packet loss concealment, and echo cancellation (G.168 up to 128ms) with multiple codecs (G.711A/U, G.723.1, G.729A/B, ILBC, AMR, AMR-GSM, Opus optional).

• Technical & Physical Specifications:

  • Physical Interfaces: Phone connectors via RJ45 or RJ21, 50 pin (DAG2500-48S: 48 FXS, DAG2500-72S: 72 FXS, DAG2500-96S: 96 FXS). Console via 1RS232 (115200bps). Network interfaces via 210/1000 Base-T and 1*10/100 Base-T.

  • Power Supply: 100-240VAC, 50/60Hz; dual power supplies (only for 48S/72S support); power consumption of 95W.

  • Dimensions & Weight: Dimensions (W/D/H) of 44032844mm (1U). Unit weight varies by model: DAG2500-48S is 4.1kg, DAG2500-72S is 4.25kg, and DAG2500-96S is 4.4kg.

  • Operating Environment: Operating temperature from 0°C to 45°C, storage temperature from -20°C to 80°C, and humidity from 10% to 90% (non-condensing).