Matrix ETERNITY NE System Manual 1285
Appendix
Technical Specifications of ETERNITY NENX
TECHNOLOGY
Type of Switching PCM/TDM Digital Switching (100% Non-blocking)
Processor 32-bit RISC
VoIP
VoIP Protocols SIP, SDP, RTP, SRTP
Network Protocol
IPv6, IPv4, TCP, UDP, DHCP, VLAN, DynDNS, PPPoE,
QoS, STUN
Transport Protocol UDP, TCP, TLS
Codec G.711(A-law, ì-law), G.723, G.729AB, GSM-FR, iLBC
DTMF RTP (RFC2833), SIP Info, IN-Band
SIP
Maximum 8 SIP Accounts Per System, Out Bound Proxy
Support, Display Name, User Name, Password, URL,
Proxy URL, Register Interval
Line Echo Cancellation G.168 With 32/64/128ms Tail Length
Voice
Dynamic Jitter Buffer (Adaptive), Comfort Noise
Generation and Voice Activity Detection
NAT STUN and NAT Keep Alive
Fax T.38 Relay and Pass Through
Quality of Service SIP QoS and RTP QoS
Security
MD5 Authentication for SIP, Password Protected
Configuration by Admin and User
Data Network Ethernet (RJ45) Port, Auto MDIX (10/100 base T)
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