Dinstar DAG2500-48S Kenya

The Dinstar DAG2500-48S FXS VoIP Gateway Kenya is a functional analog gateway offering seamless connectivity between VoIP and traditional phone system. It’s a highly-integrated gateway providing 48 FXS ports with standard R21 interface in 1U size.

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Description

Dinstar DAG2500-48S FXS Gateway VoIP Kenya

The Dinstar DAG2500-48S FXS Gateway VoIP Kenya is a functional analog gateway offering seamless connectivity between VoIP and traditional phone system. It’s a highly-integrated gateway providing 48 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.

Key Features

High density gateway, 48 FXS ports in 1U size
3KM Maximum Cabling Length
Elastix/Broadsoft Certification
This device provides Phone Connector 48FXS with 2xRJ-21 50 PIN and Network Interface 2×10/100/1000 Base-T
Open-standard SIP support and Support IPv4 and IPv6
Multiple codecs: G.711A/U,G.723.1,G.729A/B, iLBC,AMR
Comfort Noise Generator (CNG), Voice Activity Detection (VAD), Echo Cancellation (G.168) with up to 128ms and Adaptive (Dynamic) Jitter Buffer
Fully compatible with leading IMS/NGN, SIP based IP telephony system

Technical Specifications

Physical Interface

Telephone Interface:
48 FXS with 2* RJ21, 50 PIN
Network Interface:
2* 10/100/1000 Base-T
SFP: N/A
Console: 1* RS232, 115200bps

FXS

Connection Interface: RJ21
Caller ID: DTMF/ FSK
Support Internal Call
Support Reverse Polarity
Dial mode: DTMF and Pulse
Pulse: 10 and 20 PPS
Maximum wiring length: 5000m
Programmable Call Progress Tone

Supplementary Business

Pick Up on Group
3-Way Conference
Busy Call Forwarding
No answer Call Forwarding
Unconditional Call Forwarding
Blind Transfer, Attend Transfer
Support Warm/Immediate Hotline
Message Waiting Indicator (Voicemail)
Call Waiting, Call Hold, Do-Not-Disturb

Software Features

Action URL
Hunting Group
Web access control rules
Telnet access control rules
PPPoE/IPv4/IPv6(Bridge mode)
Routing Rules based on Prefixes
The number of graphs (Digitmap）
Caller/Called Number Manipulation

Voice Processing

VLAN 802.1P/802.1Q
Layer3 QoS and DiffServ
Coder: G.711A/U law, G.729A/B,
723.1, G.726, iLBC and AMR
Programmable Gain Control
Voice Activity Detection (VAD)
Adaptive (Dynamic) Jitter Buffer
Hook Flash, Silence Suppression
38/Pass-through, Modem/POS
Comfort Noise Generation (CNG)
Echo Cancellation (G.168), with maximum 128ms
DTMF mode: Signal/RFC2833/Inband

VoIP Protocol

RFC3266 IPv6 in SDP
RFC4028 Session Timer
RTP/RTCP, RFC2198, 1889
Early Media/ Early Answer
Primary/Backup SIP server
SIP Trunks, Outbound Proxy
STUN, Static/ Dynamic NAT, DTR
DNS SRV/ A Query/ NATPR Query
RFC2806 TEL URI, RFC3581 NAT, rport
Protocol: SIP v2.0 (UDP/TCP), RFC3261 SDP, RTP(RFC2833), RFC3262, 3263, 3264, 3265, 3515, 2976, 3311

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