FOR ESTABLISHED APPLICATIONS
High-volume SIP trunks without a heavyweight sales process.
If your application already generates significant, predictable traffic, talk to us about routing, capacity and volume pricing.
- Production call volumes
- Planned concurrent capacity
- Destination mix
- Known traffic profile
- Provider-side account controls
A GOOD FIT
Clear requirements. Stable traffic. Low friction.
Sipflex is built for customers who operate their own platform and want a reliable UK telephony supplier, not a managed PBX consultancy.
Established workload
You understand the application, traffic source, destination mix and expected monthly usage.
Technical ownership
Your team owns its SIP infrastructure, call logic, security and first-line diagnostics.
Legitimate traffic
You can complete KYC and explain the use case, caller identity and traffic profile clearly.
WHAT TO SEND
Help us assess the traffic quickly.
- Business and application name
- Expected monthly minutes
- Peak concurrent calls and calls per second
- Inbound versus outbound split
- Main destinations and caller-ID requirements
- Preferred registration or IP peering model
Not high volume yet?
Use standard flexible pricing while you test. Numbers are £2/month, the account includes one complimentary channel, and extra channels are £1/month.
Build your monthly priceCONTACT
Describe the production workload.
Email the details above to support@sipflex.co.uk. We will focus the conversation on suitability, capacity and commercial terms.
Discuss high-volume traffic30-DAY FREE TRIAL
Prefer to test first?
The standard 30-day trial needs no card and uses the same Sipflex portal.
No card required.