Dinstar DAG2500-72S Kenya

The Dinstar DAG2500-72S VoIP Gateway Kenya is a functional Analog VoIP gateway offering seamless connectivity between VoIP and traditional phone system. It’s a highly-integrated gateway providing up to 72 FXS ports with standard R21 interface in 1U size.

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Description

Dinstar DAG2500-72S VoIP Gateway Kenya

The Dinstar DAG2500-72S Kenya is a functional Analog VoIP gateway offering seamless connectivity between VoIP and traditional phone system. It’s a highly-integrated gateway providing up to 72 FXS ports with standard R21 interface in 1U size. Users can easily connect their Analog phones, fax machines and PBX systems via standard voice interface. DAG2500 supports the standard SIP protocol and it’s compatible with leading IMS/NGN platform and SIP-based IP Phone system. Dinstar DAG2500-72S VoIP Gateway is ideal for small and medium businesses, call centers and multi-location environments that need VoIP services.

Key Features

Cost-Effective VoIP Gateway

72 FXS ports, 2 LAN
Support SIP, IMS
38 Fax
Flexible routing & Dial plan
Interoperable with leading softswitches, IP PBXs and SIP servers

High Stability and Reliability

Embedded Operation System
Market-proven hardware design
Carrier-grade reliability
Main/Secondary SIP server failover
TLS/SRTP Security

Easy Management

Intuitive Web interface including Quick installation guide
Support SNMP &TR-069
Automated provisioning
Dinstar Cloud Managemnt System
Configuration Backup and Restore
Debug tools in web interface

Features

IPv6, IPv4
Call waiting
SIP/IMS
Call Transfer (Blind transfer, Attend transfer)
SIP v2.0 (RFC3261) based on UDP/TCP/TLS
Call Forwarding (Unconditional, No reply)
Fax over T.38 and Pass-through
Speed Dial
QoS:L3 DIFFServ, 802, 1P/Q VLAN Tagging
Do Not Disturb(DND)
3-way conference
Automatic firmware upgrade and configuration via HTTP/HTTPS
Hunting group
System logs & CDR
Voice Mail
Flexible routing & dial plan
Pluse Dialing
Backup and restore
MWI
SNMP/TR-069
Caller ID
TLS/SRTP
Music on hold

Technical Specifications

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
T.38/Pass-through
Modem/POS
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
VoIP
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
RFC2806 TEL URI
RFC3581 NAT,rport
Primary/Backup SIP Server
Outbound Proxy
DNS SRV/ A Query/NATPR Query
Early Media/Early Answer
NAT:STUN, Static/Dynamic NAT
VoIP Services
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