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Dinstar DAG2500 48/64/72 Port FXS VoIP Gateway

The gateway unit of the DAG2500 can provide open-standard support for SIP, as well as IPv4 and IPv6 network protocol support. It has a cabling length of up to 3 kilometers. This gateway has been certified by Broadsoft/Elastix and is fully compatible with leading SIP-based IP telephony platforms as well as NGN/IMS systems.

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The Dinstar DAG2500-48/64/72S requires a power supply of 100-240V AC, with a frequency of 50 to 60 Hz. The device consumes 75 watts of power. The temperature necessary to operate the device is regulated between 0 and 45 degrees Celsius during operation. When the gadget is not in use, the temperature is set at -20 C to 80 C. With no condensing characteristics, the DAG2500 unit is set at a humidity level ranging from 10% to 90%. The dimensions of this unit are 440mm x 280mm x 44mm, with a 1 U port size. The device weighs 4.0 kg and is CE and FCC certified.

The DAG2500-48/64/72S FXS is ideal for continuous transmission while maintaining the analog system. This device was created with analog systems in mind, such as telephones and fax machines. The DAG2500-48/64/72S Comfortable noise generation is possible with the DAG2500-48/64/72S FXS Analog VoIP equipment. In addition, the device has a silent suppression feature that keeps the voice crisp and clear. VAD, or vocal activity detection, is another feature of this gadget that helps with echo cancellation. The device also has an adaptive jitter buffer with configurable gain control.


  • Open-standard SIP support.
  • Support IPv4 and IPv6.
  • Multiple codecs: G.711A/U,G.723.1,G.729A/B, iLBC,AMR.
  • Fully compatible with Leading IMS/NGN, SIP-based IP telephony system.
  • High-density gateway, 48/64/72 FXS ports in 1U size.
  • Elastix/Broadsoft Certification.

dinstar dag2500 48/64/72s port fxs gateway

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Product Specification


Compliance Yes
Dimensions(W/D/H) 440*280*44mm(1U)
Humidity 10%-90% Non-Condensing
Operating Temperature 0 ℃~ 40 ℃
Power Consumption 37W
Power Supply 100-240VAC,50-60Hz
Storage Temperature -20 ℃~80 ℃
Unit Weight 4.0kg
FXS Features
Max Cable Length 5KM
Pulse 10 and 20 PPS
Connector Yes
Dial Mode DTMF and Pulse
Programmable Call Progress Tone Yes
Reversed Polarity Yes
DNS/DNS SRV (RFC 1706/RFC 2782) Yes
RTP/RTCP (RFC 1889,1890) Yes
SDP (RFC 2327) Yes
ARP/RARP (RFC 826/903) Yes
REFER (RFC 3515) Yes
SIP V2.0 (RFC 3261,3262,3264) Yes
SNTP (RFC 2030) Yes
STUN (RFC 3489) Yes
VLAN 802.1P/802.1Q Yes
Voice & Fax
Adaptive (Dynamic) Jitter Buffer Yes
Comfort Noise Generation(CNG) Yes
DTMF mode Signal/RFC2833/INBAND
Echo Cancellation(G.168) Yes
Layer3 QoS and DiffServ Yes
Programmable Gain Control Yes
T.38/Pass-through/Modem FAX mode,Up to 14.4kbps Yes
VLAN 802.1P/802.1Q Yes
Voice Activity Detection(VAD) Yes

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