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Linksys SPA400 VoIP Gateway with 4 FXO Ports

0.22 KGS
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Product Description





PSTN (FXO) Telephony

• 4 FXO ports (RJ-11)

• VoIP to PSTN and PSTN to VoIP Call Origination and Termination

• 4 simultaneous active calls

• Caller ID support - Bellcore, ETSI FSK (DTAS and RP-AS), ETSI DTMF and UK.

• Call Progress Tone Generation

• Universal Tone Configuration for Progress and Disconnect tones

• FXO port impedance configuration - 16 settings

• FXO port Attenuation/Gain Adjustments

• Trunk group configuration of FXO ports with SPA9000

• Call Disconnect detection via Disconnect Tone, CPC, Polarity reversal and idle time.

• Ring Frequency, Impedance, Validation Time, Voltage and Indication Delay Configuration

• Line-in Use Voltage Setting

• Operational Loop Current Minimum Value

• On-hook speed setting

• PSTN Answer Delay

• PSTN Call Limit

• DTMF tone length configuration

• DTMF level setting

• Dial out delay

• Dial out battery threshold


IP Telephony

• SIP Registrar Agent (RFC 3261)

• One SIP trunk towards SPA9000

• Direct Inward/Outward Dialing with SPA9000

• G.711 a/u and G.729a

• DTMF in-band support (RFC 2833)

• Adaptative Jitter Buffer

• Frame Loss Concealment

• Echo Cancellation (G.165/G.168)

• Voice Activity Detection with Silence Suppression


Voicemail Server

• 32 Voice mail Accounts

• USB 1.1 Host Interface for the Voicemail Prompts and Messages

• Up to 3.8 hours of message storage with default configuration (USB Memory)

• International language support (see Localization section)



• Password Protected Admin and User Access Authority

• Password Protected Voicemail access

Provisioning, Administration and Maintenance

• Configurable by the Cisco SPA9000 Configuration Wizard

• Administration and Configuration via Integrated Web Server

• Event Logs (Events, Errors, Fatal Errors)

• Syslog reporting


• DHCP Client and static IP addressing

• Differentiated Services (Diffserv)/TOS packet marking

• NTP-based Date and time with Daylight Savings support



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