Description

Dinstar DAG2500-72S VoIP Gateway Nigeria

The Dinstar DAG2500-72S Nigeria is a functional analog VoIP gateway offering seamless connectivity between VoIP and traditional phone system. It’s a highly-integrated gateway which provides 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 Nigeria is ideally suited for small and medium businesses, call centers and multi-location environments that need VoIP services.

Key Features :

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

Technical Specs

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

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