Guangdong, China
Business Type:
Manufacturer/Factory, Trading Company, Other
Management System Certification:
ISO 9001
OEM/ODM Service
Sample Available

FXS VoIP Gateway, Access Gateway, Analogue FXS manufacturer / supplier in China, offering Dag2500-48/64/72s FXS Analog VoIP Gateway (dinstar 48/64/72 FXS), Human Behavior Features Anti Block GSM Gateway 16 Channels, Dinstar Small Port FXS Gateway, 1 Channel and so on.

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Supplier Homepage Products FXS VoIP Gateway Dag2500-48/64/72s FXS Analog VoIP Gateway (dinstar 48/64/72 FXS)

Dag2500-48/64/72s FXS Analog VoIP Gateway (dinstar 48/64/72 FXS)

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Min. Order: 1 Piece
Port: Shenzhen, China
Production Capacity: 10000/Month
Payment Terms: T/T, Western Union, Paypal
Type: Gateway
Protocol: PPPoE
Support: VPN
Number of Channels: 48
Wire or Not: Wire
Color: Black

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Basic Info

Model NO.: DAG2500-48/64/72S
Trademark: dinstar
Transport Package: Carton
Specification: 6kg
Origin: China
HS Code: 851762390

Product Description


DAG2500 is a functional analog gateway offering seamless connectivity between VoIP and traditional phone system. It's a highly-integrated gateway which provides 48/64/72 FXS ports with standard R21 interface in 1U size. Users can easily connect their analog phone, fax, PBX via standard voice interface.DAG2500 supports the standard SIP protocol and it's compatible with leading IMS/NGN platform and SIP-based IP telephony system. It is ideally suited for small and medium businesses, call centers and multi-location environments that need VoIP services


High density gateway, 48/64/72 FXS ports in 1U size
Open-standard SIP support
Support IPv4 and IPv6
3KM Maximum Cabling Length
Elastix/Broadsoft Certification
Multiple codecs: G.711A/U,G.723.1,G.729A/B, iLBC,AMR
Fully compatible with leading IMS/NGN, SIP based IP telephony system


Physical Interfaces
Phone Connector:
DAG2500-72S: 72 FXS with  3* RJ21, 50 PIN
DAG2500-64S: 64 FXS with  3* RJ21, 50 PIN
DAG2500-48S: 48 FXS with  2* RJ21, 50 PIN
Console:1* RS232, 115200bps
SFP:N/A, Reserve
Network Interface: 2* 10/100/1000 Base-T
Voice & FAX 
 G.711A/U law, G.723.1, G.729A/B,G.726,iLBC,AMR
Silence Suppression
 Comfort Noise Generation(CNG)
 Voice Activity Detection(VAD)
 Echo Cancellation(G.168), with up to 128ms
 Adaptive (Dynamic) Jitter Buffer
 Programmable Gain Control
 DTMF mode: SIP Info/RFC2833/In-band
 VLAN 802.1P/802.1Q 
Layer3 QoS and DiffServ
FXS Features
 Connector: RJ21
 Dial Mode: DTMF and Pulse
 Pulse: 10 and 20 PPS
 Caller ID: DTMF/FSK CLI Presentation
 Max Cable Length: 5KM
 Reversed Polarity
Programmable Call Progress Tone
Protocol: SIP v2.0 (UDP/TCP),RFC3261,SDP,RTP(RFC2833), RFC3262, 3263,3264,3265,3515,2976,3311
RTP/RTCP, RFC2198, 1889
RFC4028 Session Timer
RFC3266 IPv6 in SDP
RFC3581  NAT,rport
Primary/Backup SIP Server
Outbound Proxy
DNS SRV/ A Query/NATPR Query
Early Media/Early Answer
NAT:STUN, Static/Dynamic NAT
Supplementary Service
Call Waiting,Blind  Transfer,Attend Transfer,Call Pickup,Call Forward on Busy,Call Forward on No Reply,Unconditional Call Forward,Warm/Immediately Hotline,Call Hold ,Do-not-disturb,3-Way Conference,Message Waiting Indicator(MWI)
Software Features
•Hunting Group
•Web/Telnet ACL
•Action URL
•Bandwidth Optimization
•Routing Rules based Prefixes
•Caller/Called Number Manipulation
• SNMP v1/v2/v3, TR069
• Auto Provisioning
• Web/Telnet
• Configuration Backup/Restore
• Firmware Upgrade via Web
• CDR, Syslog
• Ping/Tracert Test
• Network Capture
• Outward Test(GR909)
• NTP/Daylight Saving Time
• IVR local Maintenance
• Cloud-based Management
•Power Supply: 100-240VAC, 50-60 Hz
•Power Consumption:75W
•Operating Temperature:0 ºC  ~ 45 ºC
     Storage Temperature: -20 ºC ~80 ºC
•Humidity:10%-90% Non-Condensing
•Dimensions(W/D/H): 440*280*44mm(1U)
•Unit Weight: 4.0kg
•Compliance: CE, FCC


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