DTT VoIP Complete - VoIP-GSM шлюз,

DTT VoIP Complete - VoIP-GSM шлюз,

Телефонный интерфейс  

• Connection type T1 PRI E1 PRI   
• End-to-end DTMF 
• En-block & overlap phone numbering sending support  
• Signaling Protocols Loop Start Loop Start Nortel DMS-100 Euro ISDN 
• National ISDN-2, VN6 , NTT, KDD, 1TR6   
• QSIG (basic call) QSIG (basic call) 
• Hong Kong Tel 
• AT&T 5ESS, AT&T 4ESS 
• Line impedance 600 ohm 600 ohm, 900 ohm 100 ohm CEPT 120 ohm complex  

VoIP Характеристики

• IP Telephony Protocol Support H.323 v4 
• SIP v2 
• Dynamic selection per call 
• IP Transport RTP/RTCP 
• Voice Encoding G.711 (A-law, µ-law) 
• G.723.1 
• G.729AB 
• G.726/32 
• NetCoder ® 
• Voice Quality IP TOS 
• Diff Serv 
• Adaptive, dynamic jitter buffer 
• Line Echo Cancellation ITU G.165, ITU G.168 
• Multi-level error correction 
• Bad frame interpolation 
• Comfort noise generation (CNG) 
• Voice activity detection (VAD)/Silence Suppression 
• Fax Relay T.38 real-time fax protocol 
• LAN Interface 10/100 Base-T Ethernet auto sensing 
• RJ-45 connector (IEEE 802.3) 
• NAT traversal Supported 
• Multi Path Switching Supported

Окружающая среда 

• Operating temperature 0-40ºC (32-104єF) 
• Storage temperature -40-75єC (-40-167єF)
• Operating humidity 10-90% non-condensing

Соответствие

• Emissions EN55022:98, EN6100:3, 47CFRP15, CES-003:97 
• Immunity EN 55024:98 
• Safety EN60950, UL 60950, CSA 22.2 950 
• Telecommunications FCC part 68

Конфигурация и Управление 

• Browser-based configuration and monitoring application 
• Disconnect Signal Analyzer (analog) 
• SNMP support 
• Call detail records (CDRs) 
• RS-232 ports for maintenance

Безопасность

• SSH™ encryption during remote diagnostics and version updates 
• Authentication with IVR/internal tables, PIN, Caller ID 
• Embedded firewall 
• Voice and signaling AES encryption