Open on-premise hardware SMS gateway for alerts, notifications and bulk messaging
SMS FoxBox S1 is a compact Linux-based SMS server that lets you send and receive text messages using standard SIM cards or external SMS aggregators such as Twilio, Infobip, and many others. It delivers the reliability of a dedicated hardware gateway with the flexibility of a modern web console and developer-friendly APIs.
100% API compatible with previous foxbox generations – existing integrations keep working, and upgrades for legacy customers are transparent and immediate.
SMS FoxBox S1 It’s not just a hardware gateway — it’s an open hybrid SMS gateway.
Thanks to its flexible architecture, SMS foxbox S1 fits a wide range of scenarios – from simple notification gateways to full messaging hubs in demanding environments.
Run opt-in SMS campaigns through your own SIMs or external aggregators, with delivery statistics, opt-out handling and real-time reporting. Always in accordance with local regulations and carrier policies.
Send high-volume batches to distribution lists or transactional messages (OTP, appointment reminders, payment alerts) directly from your applications, CRMs or monitoring tools using the hardware SMS gateway as a central point.
Exchange information with field workers and drivers via SMS or email, even where data connectivity is limited. Perfect for logistics, utilities and field service operations that depend on timely notifications.
Enable live interaction with your audience for contests, voting, feedback and news through dedicated SMS numbers integrated into your production workflow.
Bridge the gap between email and SMS: forward emails to mobile phones, route incoming SMS to shared mailboxes or ticketing systems, and keep a single archive of all interactions for compliance and audits.
Connect monitoring platforms (Nagios, Icinga, Zabbix, Prometheus and others) to SMS foxbox S1 and get critical alerts by SMS, even when email or push notifications are not an option.
SMS foxbox S1 is used in many verticals where reliable SMS communication and data control are essential.
Enable live interaction with your audience for contests, voting, feedback and news through dedicated SMS numbers integrated into your production workflow.
Deliver internal alerts and service notifications to staff while keeping all SMS data inside your own infrastructure for full confidentiality.
Reduce no-shows with appointment reminders and health alerts sent via SMS, while maintaining strict control over patient-related data.
Order your SMS foxbox S1 from the official SMS foxbox online shop – fast delivery and easy checkout. Optional support and extended warranty plans are available.
Already using a previous SMS foxbox model? Mention your existing installation when ordering to receive your 20% upgrade discount.
Looking for volume pricing, OEM branding or custom integrations?
SMS foxbox S1 is built on an industrial-grade x86 platform designed for 24/7 operation, with low power consumption and silent fanless cooling. Ideal for rack or desktop deployment in data centers, offices and technical rooms.
Intel E3845 quad-core, 1 GHz – low-power CPU optimized for network appliances.
8 GB DDR3-1333 DRAM, suitable for multi-user environments and analytics workloads.
Ultra-fast 128 GB mSATA SSD for OS, database and message logs, with support for a second mSATA slot (RAID configurations available).
2× USB 2.0, 3× Gigabit Ethernet ports, 2× SMA connectors for GSM/LTE antennas, 1× SD card slot, 2× mSATA bus, 1× serial port – ready for modems, consoles and out-of-band access.
The web interface of SMS foxbox S1 is designed for everyday use by both technical and non-technical users: clear dashboards, powerful filters and built-in analytics help you understand what is happening with your SMS traffic in real time.
Compose single messages or bulk campaigns, choose sender IDs, schedule deliveries and select contact groups with just a few clicks.
Monitor queued, sent and failed messages, SIM/modem status and system health from a single dashboard. Ideal for NOC and operations teams.
Drill down into delivery rates by campaign, route, carrier or destination, identify bottlenecks and optimize routing with built-in business intelligence views.
SMS foxbox S1 is built for technical teams. Whether you are integrating an existing application, automating notifications or building your own messaging product, you get clean REST APIs, predictable behaviour and full control over routing and delivery.
All previous foxbox HTTP APIs are supported, so migrations from legacy devices are straightforward: just point your applications to the new appliance and keep sending SMS.
curl -X POST https://api.foxbox.it/sms/send \
-H "Authorization: Bearer <API_TOKEN>" \
-H "Content-Type: application/json" \
-d '{
"to": "+391234567890",
"text": "Hello from SMS foxbox S1!",
"sender": "MyService"
}'Cloud SMS providers are powerful – and SMS foxbox S1 integrates with them – but there are many scenarios where having your own SMS gateway appliance in the rack gives you better control, reliability and cost efficiency.
The hardware SMS gateway does not depend on Internet connectivity to send messages via SIM. Critical alerts and notifications keep flowing even in isolated or partially offline environments.
Keep sensitive SMS content, logs and metadata within your own infrastructure. You decide where data is stored, who can access it and how long it is retained, simplifying audits and compliance.
SMS does not require any additional app on the recipient side and is typically read within minutes. With direct access to SIMs and aggregators, SMS foxbox S1 gives you fine-grained control over routes and delivery quality.
Combine existing mobile contracts with external SMS providers only where needed. A hardware SMS gateway helps you avoid recurring per-message markups typical of pure online services, especially at higher volumes.
Both approaches have strengths. SMS foxbox S1 lets you enjoy the best of both worlds: local delivery via SIM when you need full control, and integration with aggregators when you want global reach and redundancy.
Install the appliance close to your infrastructure, integrate with logging, IAM and backups, and treat SMS foxbox S1 as any other core service in your architecture.
IT, DevOps and business units can share the same device: technical teams manage routing and integrations, while marketing and operations use the web console with dedicated roles and permissions.
