Dinstar DAG2000-24S 24FXS Gateway

Features
● Spans a range of 24 FXS ports
● Flexible hardware configuration, easy to expansion
● Support T.38 & Pass-through real-time fax, which can continually fax multiple pages
● VAD, CNG, PLC, Dynamic Jitter Buffer L2/L3
● Call hold, Call waiting, Call forward, Do not disturb, Blind transfer, Attended transfer, 3-way conference
● Perfect interoperable with leading Softswitch and IPPBX suppliers worldwide

Specification
Interfaces
● Telephony Interfaces: 24 FXS lines
● Network Interfaces: 4*10/100M Base-TX RJ-45
● LED Indicators: Power, Run and Line LEDs

Voice Processing
● Voice Packet Capabilities: G.168 with 32, 64, or 128 ms tail length; CNG, VAD, PLC, AJB
● Voice Codec: G.711A/U low, G.723.1, G.729AB
● QoS: Diff Serve, Tos, 802.1P/Q VLAN Tagging

Call Features
● Calling Type: Voice/FAX
● IVR Voice Prompt: FXO second stage dialing, Private service IVR
● Call Handling: One stage dialing, Configurable dial plan, up to 100 dial rules
● FAX over IP: T.38/Pass-through/Modem FAX mode, Up to 14.4kbps
● DTMF: RFC2833, SIP INFO, INBAND
● Call Features: Caller ID of block, Call waiting, Blind or attended call transfer, Call forward, Do not disturb, 3-way conference

Network
● Network Work Mod: NAT Router or Switch Mode
● Network Protocols: IP, TCP, UDP,TFTP, FTP, TCP,ARP,RARP, ICMP, NTP, SNTP, Http, DNS, Telnet
● NAT Traversal: STUN, Ping, Tracer

Protocol and Standard
● Protocol: SIP V2.0 RFC3261, RTP/RTCP (RFC 1889,1890)
● Standard: Bellcore Type 1&2, ETSI, BT, NTT, and DTMF Based CID, Configurable call progress tone

Configuration Management
● Auto Provisioning: TFTP, HTTP, Auto configure/upgrade, Data backup/restore
● Web GUI: Configuration, firmware upgrade, TCP/UDP/Current RTP/History calls Statistics
● Management: Syslog and CDR, Telnet, SNMP