We own the network underneath.
Carrier & Network
Callr is a registered carrier running its own encrypted network across 220+ countries — not a reseller of someone else’s minutes.
In this category
Global number provisioning
Provision local, national and toll-free numbers across 220+ countries in seconds, the moment a campaign goes live.
SIP trunking
Connect your own PBX or platform over carrier-grade SIP trunks secured with TLS and SRTP.
Own carrier network
Callr is a registered carrier running its own network, so quality and routing never depend on someone else reselling minutes.
Global footprint
Multiple points of presence and physical infrastructure keep latency low and quality high wherever your callers are.
Encrypted by default
Signalling and media are encrypted with TLS and SRTP across the network, by default.
Interconnected data centers
Direct interconnects with carrier exchanges shorten the path your calls take — cleaner audio, faster setup.
Number portability
Port the numbers your business already uses onto Callr’s network and keep them.
See the platform on your own use case.
Start building for free, or get a guided tour from the team.