Supported Protocols
Session Initiated Protocol (SIP)
Media Gateway Control Protocol (MGCP)
Real Time Transport Protocol(RTP/RTCP)
TFTP for remote software upgrade
HTTP for system and interface configuration and monitoring
SNMP v.1, v.2, v.3
Telnet for remote support
DHCP for dynamic IP address allocation
DTMF
STUN Client for NAT/firewall traverse
Call Features
Caller ID
Message waiting indication
Call waiting
Call forwarding
Caller id on call waiting
Call transfer (on busy, no answer, all)
Special purpose calling codes
Speed dial
Redials
Key Features
MGCP or SIP access gateways
SIP-PSTN analog gateway
Routing (based on called number or other criteria)
Radius based CDR for accounting
STUN client for NAT transversal
Flexible interface for analog phones, fax, traditional PBX with analog trunks.
Redundant power supply optionHot swappable modules
Fax tone detection and codec bypass (T.30) and fax relay (T.38) function
G.711, G.723.1, G.729A, iLBC, GSM codec
G.168 echo cancellation
DTMF transportation: transparent mode, RFC 2833 mode, SIP/INFO mode
Fashion Color ringing, MWI by Tone or Neon light, Routing table, Speed dial
Other Specifications
Power Consumption : 70 Watt(Max)
Internal Memory: 128MB
System Flash Memory: 16MB
Ethernet Interface: RJ-45
Talk Battery: -24 V
Ringing Voltage: 50V RMS
Loop Current: 21 mA
Max Line Length: 1500m or 415 ohm
Power supply: 110-250V AC 50-60Hz
REN Equivalence: 5 for short loop (1000 feet) ,3 for long loop (5000 feet)
Analog Interface: RJ-45
Off-hook Detection: Loop start
Dialing: DTMF
Size(L x W x H): 4.4 x 44 x 30 cm
Weight: 11Kg