Extensive reachability
A single UIFN is reachable from 60 countries, with coverage being continually expanded.
Cost saving
Highly cost-efficient Toll Free solution for international businesses.
Quick setup and easy management
Effortless and swift number acquisition and service management.
Premium call quality
Universal International Freephone Numbers combined with premium quality, reliability and full regulatory compliance.
Free unlimited capacity
Universal International Freephone Numbers with a virtually unlimited incoming call capacity.
Simplified marketing
A single number for marketing campaigns in multiple countries for convenience and cost-efficiency.
Global business presence
Establishing a truly global reach for a business of any size.
Full compliance
Adherence to all regulatory standards globally for all VoIP services.
Effortless business expansion
An easy way to enter new markets by activating the same UIFN in additional countries.

Extensive reachability

A single UIFN is reachable from 60 countries, with coverage being continually expanded.

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Tiered wholesale prices available

VoIP use cases for your business

Learn what you can build with DIDWW cloud
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Why do customers choose DIDWW?

The VoIP platform for telecommunication and business professionals

Compliant two-way SIP Trunking, everywhere

Full global compliance in 91 countries and 5257 areas. Readily available Landline, Mobile and Toll Free Phone Numbers and two-way local SIP Trunking. Licensed or directly partnered with a local carrier in every country.

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Trusted by professionals

Nat Rudy
C3ntro Telecom
Carrier Interconnection Manager
“Always with the best disposition to serve us, DIDWW has helped us in fulfilling our customer’s needs, when it comes to provide them with the numbering solutions, when most of the time the requests get to us as urgent ones. Apart from everything else, it’s also fun and easy to work with DIDWW.”
Dragan Gajovic
Air Serbia
IT Service Manager
“We had a very fast integration with our IP voice system and their accessible and open procedures helped us reach our goals. During our contact center transition from an in-house solution to outsource solution, there weren’t any outages. The onboarding process was simple, fast and with substantial assistance.”
Andriy Azarov
Nectar Desk Inc.
CEO
“Virtual numbers and Phone Systems are essential parts of our offering, therefore DIDWW is one of the key components in our infrastructure. They have great support and high quality service. We became a client of DIDWW when we were very small, but still were treated in a proper way and were able to discuss business conditions, which helped our growth.”

Nat Rudy
C3ntro Telecom
Carrier Interconnection Manager

“Always with the best disposition to serve us, DIDWW has helped us in fulfilling our customer’s needs, when it comes to provide them with the numbering solutions, when most of the time the requests get to us as urgent ones. Apart from everything else, it’s also fun and easy to work with DIDWW.”