Never beaten on price & quality

The future of SIP,
delivered today.

Carrier-grade routes, accounts live in seconds, TLS and SRTP on every call, and real people when you need them. Built by operators, priced to win.

99.9%
Uptime
AES-GCM
Encryption
24/7
Support
up to 50 concurrent 20 countries · 25 routes 8 nodes · 2 regions
The One:One advantage

Why choose One:One SIP?

Operator-grade infrastructure, activated in seconds.

Instant Activation

Your SIP account is live seconds after activation. No forms, no verification delays.

Pay As You Go

A prepaid balance and transparent pricing. No subscriptions, no hidden fees, pay only for what you use.

Premium Routes

Operator-grade routes selected for quality and answer rate across all destinations.

Secure & Private

TLS signaling (AES-GCM) and SRTP media encryption on every encrypted account, on private infrastructure.

99.9% Uptime

Redundant carriers and a dedicated core keep your service online when you need it most.

24/7 Support

Real people, any time, through our Telegram support channel.

Multiple Routes

Switch between available routes any time and pick the best balance of quality and price.

One Console

Accounts, balance, call records and tariffs managed from a single dashboard, live.

Ready to deploy

Start calling in seconds.

Join the teams already routing their calls through our infrastructure.

Create Account