SMS CENTER
A smart SMS communication platform for your business
This is an OMNI messenger — one platform for SMS, WhatsApp, Viber and RCS messages. Send individual and bulk messages, track delivery in real time, and manage contacts, inbound numbers, templates, blacklists and API integrations.
One tool — four channels
OMNI messenger: the same message can go out over SMS, WhatsApp, Viber or RCS — in one list, with the same contact base and the same delivery report.
Hello {{Name}} ,
Your order is ready for collection. More information here: {{Link}}
SMS solutions for your business
Customer self-service
Users top up their balance, manage numbers and monitor usage on their own.
Marketing campaigns
Build targeted SMS campaigns by audience, city, behaviour or purchase history.
Automated SMS scenarios
Automatic notifications for sign-ups, orders, reminders, OTP codes and customer service.
Personalised SMS messages
Insert names, order numbers or any other variable into every message.
High delivery rate
Optimised carrier routes deliver SMS quickly and reliably worldwide.
OTP / 2FA SMS delivery
Fast one-time passcodes for authentication, registration and secure sign-in.
Modern system architecture
How we design and build large-scale messaging routes using advanced algorithms and automated routing.
System design and blueprints
Before the first SMS byte is sent, the system maps the full delivery path. Telecom schematics include redundant routes across servers to keep delivery stable.
Route selection algorithms
Smart algorithms continuously analyse latency and pick the fastest carrier path in real time, delivering SMS in under a second.
Modular build approach
We build communication infrastructure from proven modular blocks. Scale sending capacity quickly by plugging in custom microservices.
Anti-spam SMS filtering
The filtering module gives you full control over SMS traffic. Block unwanted senders, stop phishing attempts automatically and make sure customers receive only verified messages — through the API or straight from the panel.
“Hello, your order #45920 has been prepared successfully.”
“CONGRATULATIONS! You won €10,000! Click here: http://bit.ly/spam-phishing”
✗ Status: Failed (Blocked)
Features
Everything you need to scale business SMS communication securely.
Real-time dashboard
Instant analytics: messages sent, success rates and balance in real time. Track traffic with clear daily, weekly and monthly charts.
Advanced sending
Send to a single number or run bulk campaigns. Excel/CSV import, templates, scheduling and automatic duplicate removal.
Contact management
Segment contacts by region or type. Simple import and export with duplicate detection during processing.
Blacklist
Automatic opt-out handling. The blacklist is checked before every send, so you never message anyone who opted out.
Automatic blacklist
The system recognises “STOP” replies and adds those numbers to the blacklist instantly, stopping any further SMS without manual work.
Anti-spam SMS filtering
Protect your resources with active SMS spam filtering. Block unwanted messages, manage filter rules and keep API sending secure.
3CX SMS integration
Receive SMS directly in 3CX and send from the same interface. Fully compatible and automated.
Business-grade security
Two-factor authentication (2FA) with Google Authenticator support. Secure sessions and clear security alerts protect your data.
Inbound numbers
Order and manage dedicated virtual numbers for SMS campaigns. Auto-replies and full inbound message history.
Number ordering
Order dedicated numbers and receive inbound SMS straight into your platform.
Billing control
Transparent SMS pricing, real-time balance tracking and automatic invoicing. Top up directly in the platform.
Bulk SMS from Excel/CSV
Compose and send messages using variables, with duplicate removal built in.
API integrations
Integrate with your own systems through the REST API.
Inbound number settings
Forward inbound SMS to a webhook or CRM system to keep data in sync.
Reports
Detailed reports and analytics
curl -X POST https://sms.tenesys.com/api/messages \
-H "Authorization: Bearer YOUR_API_KEY" \
-d '{
"to": "4900000000",
"from": "TENESYS",
"content": "Hello world!"
}'Automatic unsubscribe (Auto Unsubscribe)
Give customers an easy way to opt out. The system recognises the “STOP” reply, adds the number to the blacklist instantly and blocks any further messages.
Advanced platform capabilities
Explore the full set of scalable communication tools built for security and process automation.
AI integrations
Improve copywriting, smart replies, sentiment analysis and send-time optimisation with built-in AI.
Automations
Configure advanced scheduling, event-triggered message chains and automatic retries.
Omni-channel (SMS + WhatsApp)
Reach customers across several channels at once — SMS, WhatsApp and fallback delivery routes.
Real-time analytics
Track delivery reports live, plus conversion rates, error analysis, CTR and short-link clicks.
API-first platform
Clean REST API endpoints, modern webhooks and complete developer documentation.
White-label
Customise the platform with your own logo, colours and domains, and deliver the service under your own brand.
Marketing automation
Advanced campaign triggers, visual customer-journey planning and time-aligned message sequences.
OTP/Verification
Fully managed, secure OTP generation with expiry limits, attempt throttling and template validation.
High deliverability
Carrier-grade quality filtering, dynamic routing, fallback channels and continuous latency monitoring.
Enterprise security
Two-factor authentication (2FA), strict firewall rule management, audit logs and data encryption.
CRM integrations
Ready-made and custom integrations with HubSpot, Salesforce, Pipedrive and other popular systems.
Workflow builders
Visually build complex automated communication flows with conditional logic branches.
No-code automation
Create behaviour rules, recurring notifications and auto-replies with no coding required.
Modern system architecture
A modern microservices structure delivering maximum redundancy, very low latency and stable operation.
SMS Numbers
55 countries
United Kingdom+44VoiceSMS INSMS OUT
Argentina+54VoiceSMS INSMS OUT
Australia+61VoiceSMS INSMS OUT
Austria+43VoiceSMS INSMS OUT
Belgium+32VoiceSMS INSMS OUT
Bolivia+591VoiceSMS INSMS OUT
Brazil+55VoiceSMS INSMS OUT
Bulgaria+359VoiceSMS INSMS OUT
Canada+1VoiceSMS INSMS OUT
Chile+56VoiceSMS INSMS OUT
China+86VoiceSMS INSMS OUT
Colombia+57VoiceSMS INSMS OUT
Croatia+385VoiceSMS INSMS OUT
Cyprus+357VoiceSMS INSMS OUT
Czech Republic+420VoiceSMS INSMS OUT
Denmark+45VoiceSMS INSMS OUT
El Salvador+503VoiceSMS INSMS OUT
Estonia+372VoiceSMS INSMS OUT
Finland+358VoiceSMS INSMS OUT
France+33VoiceSMS INSMS OUT
Georgia+995VoiceSMS INSMS OUT
Germany+49VoiceSMS INSMS OUT
Greece+30VoiceSMS INSMS OUT
Hong Kong+852VoiceSMS INSMS OUT
Hungary+36VoiceSMS INSMS OUT
Ireland+353VoiceSMS INSMS OUT
Italy+39VoiceSMS INSMS OUT
Japan+81VoiceSMS INSMS OUT
Jordan+962VoiceSMS INSMS OUT
Kazakhstan+7VoiceSMS INSMS OUT
Latvia+371VoiceSMS INSMS OUT
Lithuania+370VoiceSMS INSMS OUT
Luxembourg+352VoiceSMS INSMS OUT
Malaysia+60VoiceSMS INSMS OUT
Mexico+52VoiceSMS INSMS OUT
Netherlands+31VoiceSMS INSMS OUT
New Zealand+64VoiceSMS INSMS OUT
North Macedonia+389VoiceSMS INSMS OUT
Norway+47VoiceSMS INSMS OUT
Peru+51VoiceSMS INSMS OUT
Poland+48VoiceSMS INSMS OUT
Romania+40VoiceSMS INSMS OUT
Singapore+65VoiceSMS INSMS OUT
Slovakia+421VoiceSMS INSMS OUT
Slovenia+386VoiceSMS INSMS OUT
South Africa+27VoiceSMS INSMS OUT
South Korea+82VoiceSMS INSMS OUT
Spain+34VoiceSMS INSMS OUT
Sweden+46VoiceSMS INSMS OUT
Switzerland+41VoiceSMS INSMS OUT
Thailand+66VoiceSMS INSMS OUT
Turkey+90VoiceSMS INSMS OUT
Ukraine+380VoiceSMS INSMS OUT
United States+1VoiceSMS INSMS OUT
Venezuela+58VoiceSMS INSMS OUTNo countries match that search.
Frequently asked questions about sending and receiving SMS
How do I send SMS with 3CX Cloud LT?
You can send SMS in two ways: from the web browser panel, or through the REST API. The panel supports single messages and bulk campaigns imported from Excel or CSV, with templates, scheduling and automatic duplicate removal.
Can I receive SMS replies and incoming messages?
Yes. You can order dedicated virtual inbound numbers. Incoming messages appear in the platform with full history, and can be forwarded to a webhook or CRM system. Incoming SMS can also be delivered straight into 3CX, where you reply from the same interface.
Which countries can I send SMS to?
SMS delivery is available in 55 countries, including the United Kingdom, United States, Germany, France, Spain, Italy, Poland, Netherlands, Sweden, Lithuania, Latvia, Canada, Australia, Japan, Brazil and Mexico. Routing is selected per destination.
Does the SMS platform integrate with 3CX?
Yes. SMS messages are delivered into the 3CX platform and can be sent directly from it. The integration is automated and requires no separate interface for agents.
Can I send OTP and 2FA codes?
Yes. One-time passcode delivery is fully managed, with code expiry limits, attempt throttling and template validation for authentication, registration and secure sign-in flows.
How are opt-outs and STOP replies handled?
Automatically. The system recognises STOP replies and adds those numbers to the blacklist instantly. The blacklist is checked before every send, so no further messages go to anyone who opted out — no manual work required.
Is there a REST API and developer documentation?
Yes. The platform is API-first: REST API endpoints, modern webhooks and complete developer documentation are provided, so SMS sending and receiving can be built into your own systems.
How is SMS delivery tracked and reported?
A real-time dashboard shows messages sent, success rates and account balance, with daily, weekly and monthly traffic charts. Reports also cover delivery status, conversion rates, error analysis, CTR and short-link clicks.
How fast are messages delivered?
Routing algorithms analyse latency continuously and select the fastest carrier path in real time, with typical delivery in under a second. Fallback channels handle carrier-level failures.
What security does the platform provide?
Two-factor authentication (2FA) with Google Authenticator support, strict firewall rule management, audit logs and data encryption. Sessions are secured and security events are reported clearly.
