Description
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- SIP to ISDN and ISDN to SIP gateway
- 24/30/48/60 digital voice channels
- ETSI, DMS, NET2, 5ESS compatible
- 1U x 19-inch, front access rack-mountable
- 3 x 100Base-TX interfaces
- WEB UI, remote upgrade
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Voice Features
- G.711 a/μ, G.726(32K), G.729A, G.723.1
- Silence Suppression and Detection
- Comfort Noise Generation (CNG)
- Voice Activity Detection (VAD)
- Echo Cancellation (G.168)
- Adjustable jitter buffer
- Adjustable packet time (by Codec type)
- Programmable Gain Control
- Adjustable call progress tone volume
SIP Method Support
- ACK, BYE, CANCEL, INFO, INVITE, MESSAGE, NOTIFY, OPTIONS, PING, PRACK, PUBLISH, REFER, REGISTER, SUBSCRIBE, UPDATE
SIP Call Features
- Peer to Peer Call
- Call Forward – unconditional, busy
- Do Not Disturb
- Speed Dialing
- Hot Line and Warm Line
Telephony Specifications
- In-Band DTMF, Out-of-Band DTMF Relay (RFC2833 or SIP INFO)
- Caller ID
- T.30 FAX passthrough
- T.38 Real Time FAX Relay
SIP Account Management
- By channel registration
- By E1/T1 registration (share account)
- Invite with Challenge
- Support RFC3986 SIP URI format
SIP Call Management
- Support Outbound Proxy
- Support SIP Compact Form
- SIP Registration Failover
- Group Hunting
- P-Asserted-Identity per RFC3325
- Privacy Mechanism per RFC3323
- Session Timers (Update / Re-invite)
- DNS SRV Support
- Call Types: Voice / Modem / FAX
- User Programmable Dial Plan
- CDR by RADIUS client
- Manual Peer Table (for P2P calls)
- E.164 Numbering, ENUM support
Physical
- WAN : 1 x 100 BaseTx, auto cross-over, auto speed negotiation, RJ-45 connector
- LAN : 2 x 100 BaseTx switch, auto cross-over, auto speed negotiation, RJ-45 connector
- E1/T1 : RJ48C
- Factory default and Reset button
Physical
- Power, Alarm, VoIP, Run, AIS, RAI, LINK, LOS, LBK, WAN, LAN
Network Specifications
- WAN: Static IP, PPPoE, DHCP
- Support IPv4, IPv6(optional)
- QoS Support:
WAN: DiffServ, IP Precedence
- DDNS Support
- Network Protocol Support:
IP, TCP, UDP, TFTP, FTP, RTP, RTCP, ARP, ICMP, NTP,DHCP, STUN Client, HTTP, HTTPS,
DNS, DNS SRV, TelnetNetwork Security Specifications
- DIGEST Authentication
- MD5 Encryption
- DoS Protection
- Caller Filter by IP address
Device Management
- Web Based Configuration
- Telnet command line interface (CLI)
- IVR Configuration
- FTP / TFTP / HTTP Software Upgrade
- Configuration Backup and Restore
- SNMP V3/ V2c/ V1(optional)
Digital Interface
- Supported Switch Types: ETSI, DMS, NET2, 5ESS
- Line coding:
E1 ISDN PRI: HDB3
T1 ISDN PRI: B8ZS, AMI- Line Impedance:
E1 120 Ohm, Balanced
75 Ohm, UnBalanced (optional)
T1 100 Ohm- Framing :
E1: ITU-T G.704, G.732
T1: SF, SLC96, ESFE1 Loopback
- Digital loopback (DLBK)
- Remote loopback (RLBK)
- ST-BUS loopback (SLBK)
- Payload loopback (PLBK)
- Metallic loopback (MLBK)
- Per time slot Local loopback (LTSL)
- Per time slot remote (RTSL)
SIP, Voice and FAX Related Standard
- RFC1889、 RFC2543、 RFC2833、 RFC2880、RFC2976、 RFC3261、 RFC3262、 RFC3263、RFC3264、 RFC5359、 RFC3265、 RFC3311、 RFC3323、 RFC3325、RFC3362、 RFC3515、RFC3550、 RFC3665、 RFC3824、 RFC3841、 RFC3842、 RFC3891、 RFC3892、 RFC3960、RFC3986、 RFC4028
Network Related Standard
- RFC318、 RFC791、 RFC792、 RFC793、 RFC768、 RFC826、 RFC959、 RFC1034、RFC1035、 RFC1058、 RFC1157、 RFC1305、 RFC1321、 RFC1349、RFC1350、RFC1661、RFC1738、 RFC2854、 RFC2854、 RFC2136、 RFC2327、 RFC2474、 RFC2516、 RFC2616、RFC2617、 RFC2637、 RFC2766、 RFC2782、 RFC2818、 RFC2916、 RFC3022、 RFC3489
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