PRI(E1/T1)-VoIP gateway IPGEAR (Boscom)

Telephony Interface Connection type FXS FXO 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  
Connector type RJ-11 RJ-11 RJ-45 RJ-45

VoIP Specifications

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

Environment 

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

Regulatory

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

Configuration and Management 

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

Security

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