VoIP Gateways

1U Series VS-GW1600 Series

Supports up to 5 plug-in gateway modules; ranging from 4 to 20 channels.

Product details

OpenVox VoxStack Series Hybrid Gateway is the first open-source Asterisk-based hybrid VoIP gateway solution for SMBs and SOHOs. With a user-friendly graphical interface and a unique modular design, users can easily configure their custom gateway. Secondary development can also be performed via AMI (Asterisk Management Interface).

They are designed to interconnect a wide selection of codecs, including G.711A, G.711U, G.729, G.722, G.723, G.726 & GSM, with GSM cellular networks to quickly reduce telecommunication expenses and maximize savings. Thanks to the VoxStack Gateway’s unique design, it can support hot‑swap for SIM cards, GSM gateway modules and analog gateway modules. Users can simply add or remove modules for hardware expansion or replacement.

The VoxStack Gateway is equipped with a LAN switch card that enables stacking during hardware upgrades. It supports sending and receiving SMS, bulk sending, and SMS-to-email conversion. GSM gateways use the standard SIP protocol and are compatible with leading IMS/NGN platforms, IPPBX systems, and SIP servers, supporting most VoIP operating platforms such as Asterisk, Elastix, 3CX, FreeSWITCH, Broadsoft, etc.

Technical specifications:

Storage temperature range: -20~70℃

Operating temperature range: 0~40℃

Operating humidity range: 10%~90% non-condensing

Software & Platform:

Linux OS

Certification

CE

Key features

Simple and convenient configuration via Web GUI

Multilingual

Codec support: G.711A, G.711U, G.729, G.723.1, G.722, G.726, GSM

SIP compliance (RFC3261)

Support for various SIP protocols, IAX2 (coming soon)

DTMF signal support: RFC2833, Inband, SIP Info

Open API interface (AMI)

Echo cancellation: ITU‑T G.168 LEC

Static IP and DHCP support

OpenVPN and PPTP support (coming soon)

Call duration limit

CLIR (Call Line Identification Restriction)

Call waiting

Call forwarding (unconditional, no answer, busy, unreachable)

Bulk SMS transceiver, automatically resent SMS

HTTP SMS interface support

SMS sent to email

VPN clients: PPTP/OpenVPN/Zerotier/L2TP/N2N (not available for EAEU)

USSD transceiver

Remote gateway control via SMS

Automatic IMEI number modification

PIN identification

Mobile Number Portability (MNP)

Flexible routing parameters & unlimited routing rules

Various extensible applications, such as IVR, DISA

Configuration file backup and download support

Custom scripts and dial plans support

Least Cost Routing (LCR), based on Time, Port, Calling Number

Independent system for each module

Affordable price with superior performance

Hot‑swap design for SIM cards and modules

Compatible with Asterisk, Elastix, 3CX, FreeSWITCH, SIP server and VOS VoIP operating platform

Available for OEM

3-month no-questions-asked return policy

One-year warranty

Specifications

See the manufacturer description and linked documentation for product information. No specification table is published on the captured product webpage.

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