Cisco

Cisco VG400-4FXS-4FXO | Analog voice gateway with 4 FXS + 4 FXO, SIP/SRST, dual 1G Ethernet, T.38 fax, TLS/SRTP, desktop/rack-mountable

Cisco VG400-4FXS-4FXO | Analog voice gateway with 4 FXS + 4 FXO, SIP/SRST, dual 1G Ethernet, T.38 fax, TLS/SRTP, desktop/rack-mountable

SKU:VG400-4FXS-4FXO

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Description

High‑density analog voice gateway for branches needing more analog endpoints and PSTN lines. Provides 4 FXS and 4 FXO ports, SIP interoperability, SRST for survivability, and dual Gigabit Ethernet for flexible deployment.

Features

- 4 FXS and 4 FXO ports for higher analog/PSTN density
- SIP interoperability and SRST for branch resiliency
- Dual Gigabit Ethernet interfaces
- TLS/SRTP for secure signaling and media
- Supports common voice codecs and T.38 fax

Warranty

All products sold by XS Network Tech include a 12-month warranty on both new and used items. Our in-house technical team thoroughly tests used hardware prior to sale to ensure enterprise-grade reliability.

All technical data should be verified on the manufacturer data sheets.

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FAQs

Technical Specifications

FAQs

Q: Is this suitable for sites with multiple analog phones and PSTN trunks?
A: Yes. With 4 FXS and 4 FXO ports, it is designed for higher analog density at branches.

Q: Does it support fax on the FXS ports?
A: Yes. T.38 fax relay and fax pass‑through are supported.

Q: Can it operate if WAN connectivity to the call server is lost?
A: Yes. SRST provides local call survivability for registered analog endpoints.

Technical Specifications

- Interfaces: 4x FXS (RJ-11) for analog endpoints; 4x FXO (RJ-11) for PSTN
- IP Telephony: SIP interoperability; SRST for call survivability
- Ethernet: 2x 10/100/1000 ports
- Codecs: G.711, G.729; Fax: T.38 and pass-through
- Security: TLS signaling, SRTP media, 802.1X
- Management: CLI, SNMP; remote provisioning
- Mounting: Desktop or rack-mount (kit may be required)
- Power: External AC input

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