VigorTalk ATA-24 is a VoIP Gateway and it provides large VoIP ports which is designed for ISP/SI. VigorTalk ATA-24 not only provides high quality call service, but also supports various VoIP protocol and supplementary services. 

The SNMP-based of VigorCMS is the management software offers an easy way to remotely set up configurations, update system status, display alarm events, monitor system behaviors, perform diagnostics and download firmware and email attacking alert. For installation, status monitor and management of VigorTalk ATA-24 series of routers, it will be easily accomplished through a built-in web user interface or Telnet command line Interface. 

1. VoIP (Voice over IP)

FXS(24 Ports) MGCP / SIP / H248 Codec G.711, 729A, 723.1, G.726 VAD(Silence Suppression) & CNG G.168-2000 Echo Canceller, Jitter Buffer Packet Loss Concealment RFC2833 - Out of Band DTMF Gain / Attenuation Setting Modem Support Rate Up V.92 Caller ID Support : Bellcore, ETSI, DTMF-based(Nor-Europe) Line Polarity Reversal Generation Hunting Group Call Holding & Call Forwarding Call Transfer, Call Waiting , 3-way Conference Outbound Proxy NAT Traversal (STUN) (RFC 3489) Incoming Call Barring T.38 Fax Relay Single Codec Assignment Multiple SIP Proxies Registering

2. Network Features

DHCP Client DDNS Client Port Mirroring WAN Port Backup

3. Firewall

Denial of service Prevention

4. VigorCMS

On-line Device Status Firewall Configuration (DoS) VoIP Configuration Performance Monitoring Topology Log Alarm

5. Line Test and Diagnostic Functions

Metallic Loop Test AC Voltage AC Current DC Voltage DC Current Resistance Capacitance Line Card Test Normal Battery Loop Current Dial Tone Testing Dial Digit Testing Ring Voltage Testing User Phone Test Pulse Digit Receiving Test Low Frequency Signal Level Test High Frequency Signal Level Test Low Frequency Test High Frequency Test DTMF Tone Dialing Digit Receiving Test Howler Tone Test Ringing Test

6. System Management

Web User Interface Command Line Interface (Telent, Console) Command Line Interface-SSH Remote Firmware Upgrade Syslog for Logging and Monitoring SNMP - Basic MIBs SNMP - VoIP SNMP - Firewall (DoS) SNMP - Alarm

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The DoS function helps to detect and mitigate DoS attacks. These include flooding-type attacks and vulnerability attacks. Flooding-type attacks attemp to use up all your system's resources while vulnerability attacks try to paralyze the system by offending the vulnerabilities of the protocol or operation system.

Technical Specifications of VigorTalk ATA-24 Hardware Interface MGN 1 port 10/100/1000 Base-Tx switch WAN 2 Ports Mirror Port 1 Port Console 1 Port VoIP 24 Ports 50-pin RJ-21 Champ Connector VoIP FXS (24 Ports) MGCP / SIP / H248 Codec G.711, 729A, 723.1, G.726 VAD(Silence Suppression) & CNG G.168-2000 Echo Canceller, Jitter Buffer Packet Loss Concealment RFC2833 - Out of Band DTMF Gain / Attenuation Setting Modem Support Rate Up V.92 Caller ID Support : Bellcore, ETSI, DTMF-based (Nor-Europe) Line Polarity Reversal Generation Hunting Group Call Holding & Call Forwarding Call Transfer, Call Waiting , 3-way Conference Outbound Proxy NAT Traversal (STUN)(RFC 3489) Incoming Call Barring T.38 Fax Relay Single Codec Assignment Multiple SIP Proxies Registering Network Features DHCP Client DDNS Client Port Mirroring WAN Port Backup Firewall Denial of service Prevention VigorCMS On-line Device Status Firewall Configuration (DoS) VoIP Configuration Performance Monitoring Topology Log Alarm Line Test and Diagnostic Functions Metallic Loop Test AC Voltage AC Current DC Voltage DC Current Resistance Capacitance Line Card Test Normal Battery Loop Current Dial Tone Testing Dial Digit Testing Ring Voltage Testing User Phone Test Pulse Digit Receiving Test Low Frequency Signal Level Test High Frequency Signal Level Test Low Frequency Test High Frequency Test DTMF Tone Dialing Digit Receiving Test Howler Tone Test Ringing Test System Management Web User Interface Command Line Interface (Telent, Console) Command Line Interface-SSH Remote Firmware Upgrade Syslog for Logging and Monitoring SNMP Basic MIBs VoIP Firewall (DoS) Alarm Max. Power 100 Watt Dimension L440 * W280 * H45 (mm) Power 100 ~ 240 VAC