Your carrier switch,
run for you.
Celvesta gives wholesale carriers, VoIP resellers, call centers and startups their own dedicated softswitch, branded as yours and managed by us. You route traffic. We keep the platform running.
| Route | Customer | Vendor | ASR |
|---|
Your customers top up themselves. You just get paid.
Connect your own Stripe account and USDT wallet. Your customers pay by card or USDT in their portal, and their balance is credited automatically. No chasing payments, no manual top-ups, no traffic blocked at 2am.
Card payments with Stripe
Credit and debit cards through your own Stripe account.
USDT on TRC20 and BEP20
The payment option many cross-border wholesale buyers prefer.
Money goes straight to you
Payments land in your Stripe account or wallet, never with us.
Balance credited automatically
Once a payment is confirmed, the balance updates by itself, day or night.
A full carrier platform, without the build.
Everything you need to sell and route wholesale minutes, set up and maintained on a server that only you use.
Dedicated instance
Your own switch on its own server. No shared tenants, no noisy neighbors.
Your brand
A branded admin panel and customer portal under your name and domain.
Routing and rates
Manage customers, vendors, routing plans and rate tables from one place.
For call centers too
Connect your dialer as a customer and spread outbound traffic across your carriers with least-cost routing, CDRs and per-account limits.
CDRs and reporting
Call detail records and traffic statistics for billing checks and disputes.
Managed operations
Installation, updates, backups and monitoring are handled by our team.
Fraud limits by default
Spend and concurrency limits are switched on from day one.
What is inside the switch.
Celvesta runs on a proven open-source carrier switch, so you get the tools wholesale carriers rely on every day.
Routing and call control
- Least-cost routing with quality checks on answer rate and call duration
- Automatic re-routing to the next vendor when a call fails, invisible to your customer
- Time-based routing for peak and off-peak rules
- Tag-based routing for origin-based rules and billing
- Blacklists and number translation on source and destination
- Route simulation to test a change before it goes live
Billing and rates
- Real-time billing for wholesale transit and prepaid or postpaid retail
- Flexible rate plans and routing policies built for profit
- Every call written to the record as it happens
- Separate customer and vendor accounts in one system
- Customer top-ups by card (Stripe) and USDT on Business and Carrier plans
Reporting and CDRs
- Searchable call history and CDR export
- Customer and vendor traffic reports
- Interval and custom reports for your own questions
- Routing failure and answer-rate performance views
- Media quality statistics and login attempt logs
Security and compliance
- STIR/SHAKEN caller ID authentication support
- Blocking of unwanted sources by number or range
- Number portability lookups to route ported numbers correctly
- Customer authentication by IP address or login
Media and interconnect
- Session border controller for carrier interconnects
- Codec handling and transcoding between networks
- Load and capacity limits per customer and vendor
- Microsoft Teams Direct Routing support
Automation and portals
- REST API to configure and provision without manual work
- Branded customer portal for your clients
- Branded admin panel for your team
- Managed updates so you always run a current version
Some features need setup on your side, for example STIR/SHAKEN certificates and number portability database access. We help you configure them.
Live in three steps.
Tell us about your traffic and we handle the rest.
Request a demo
Share your expected call volume and the kind of traffic you carry.
We deploy your switch
We install it on its own server and apply your branding.
Start routing
Add customers and vendors, set your rates and send your first calls. Our Help Center walks you through each step.
Tools for US carrier compliance.
US carriers must run a robocall mitigation program. We are building the switch-side tools to help you meet it. Talk to us if you want early access.
DNO filtering
Block calls from numbers that should never originate traffic, with automatic list updates.Scam call detection
AI review of suspicious calls, with a risk score for each customer account.Audit-ready reporting
Blocking records and traffic reports to support traceback requests.
See a live switch.
Tell us about your traffic and we will set up a demo login for you.