PSTN replacement for your business
Replace traditional telephony with a VoIP-based network that is reliable and truly cost-effective
Why do businesses choose a PSTN replacement solution from DIDWW?
Cost-efficiency
A truly cost saving and innovative solution to replace traditional telephony with hardware-free VoIP SIP Trunks.
Scalability
Effortless business expansion from one to thousands of phone numbers and numerous simultaneous calls.
No hardware required
A fully cloud-based solution with low maintenance costs and no on-site hardware.
Local Dialing
Truly local presence with guaranteed local CLI, ensuring access to toll-free, short-code and emergency services.
Emergency Calling
DID numbers routed to the relevant PSAP for safety and compliance.
Ease of use
Advanced, yet easy to manage VoIP solutions with rapid configuration updates.
Compliant voice and SMS
Hassle-free regulatory compliance globally for all services.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Cost-efficiency
A truly cost saving and innovative solution to replace traditional telephony with hardware-free VoIP SIP Trunks.
Scalability
Effortless business expansion from one to thousands of phone numbers and numerous simultaneous calls.
No hardware required
A fully cloud-based solution with low maintenance costs and no on-site hardware.
Local Dialing
Truly local presence with guaranteed local CLI, ensuring access to toll-free, short-code and emergency services.
Emergency Calling
DID numbers routed to the relevant PSAP for safety and compliance.
Ease of use
Advanced, yet easy to manage VoIP solutions with rapid configuration updates.
Compliant voice and SMS
Hassle-free regulatory compliance globally for all services.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Cost-efficiency
A truly cost saving and innovative solution to replace traditional telephony with hardware-free VoIP SIP Trunks.
Scalability
Effortless business expansion from one to thousands of phone numbers and numerous simultaneous calls.
No hardware required
A fully cloud-based solution with low maintenance costs and no on-site hardware.
Local Dialing
Truly local presence with guaranteed local CLI, ensuring access to toll-free, short-code and emergency services.
Emergency Calling
DID numbers routed to the relevant PSAP for safety and compliance.
Ease of use
Advanced, yet easy to manage VoIP solutions with rapid configuration updates.
Compliant voice and SMS
Hassle-free regulatory compliance globally for all services.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Cost-efficiency
A truly cost saving and innovative solution to replace traditional telephony with hardware-free VoIP SIP Trunks.
Scalability
Effortless business expansion from one to thousands of phone numbers and numerous simultaneous calls.
No hardware required
A fully cloud-based solution with low maintenance costs and no on-site hardware.
Local Dialing
Truly local presence with guaranteed local CLI, ensuring access to toll-free, short-code and emergency services.
Emergency Calling
DID numbers routed to the relevant PSAP for safety and compliance.
Ease of use
Advanced, yet easy to manage VoIP solutions with rapid configuration updates.
Compliant voice and SMS
Hassle-free regulatory compliance globally for all services.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Cost-efficiency
A truly cost saving and innovative solution to replace traditional telephony with hardware-free VoIP SIP Trunks.
Scalability
Effortless business expansion from one to thousands of phone numbers and numerous simultaneous calls.
No hardware required
A fully cloud-based solution with low maintenance costs and no on-site hardware.
Local Dialing
Truly local presence with guaranteed local CLI, ensuring access to toll-free, short-code and emergency services.
Emergency Calling
DID numbers routed to the relevant PSAP for safety and compliance.
Ease of use
Advanced, yet easy to manage VoIP solutions with rapid configuration updates.
Compliant voice and SMS
Hassle-free regulatory compliance globally for all services.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
Cost-efficiency
A truly cost saving and innovative solution to replace traditional telephony with hardware-free VoIP SIP Trunks.
Scalability
Effortless business expansion from one to thousands of phone numbers and numerous simultaneous calls.
No hardware required
A fully cloud-based solution with low maintenance costs and no on-site hardware.
Local Dialing
Truly local presence with guaranteed local CLI, ensuring access to toll-free, short-code and emergency services.
Emergency Calling
DID numbers routed to the relevant PSAP for safety and compliance.
Ease of use
Advanced, yet easy to manage VoIP solutions with rapid configuration updates.
Compliant voice and SMS
Hassle-free regulatory compliance globally for all services.
Reliability
99,998% network uptime with highly secure and fully geo-redundant infrastructure and live in-house monitoring 24/7/365.
DIDWW VoIP building blocks used for PSTN replacement
Local Phone Numbers
Local presence in 62 area codes with geographical DIDs.
National Phone Numbers
Complete freedom for businesses in multi-regional markets across the globe.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Local Phone Numbers
Local presence in 62 area codes with geographical DIDs.
National Phone Numbers
Complete freedom for businesses in multi-regional markets across the globe.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Local Phone Numbers
Local presence in 62 area codes with geographical DIDs.
National Phone Numbers
Complete freedom for businesses in multi-regional markets across the globe.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Universal International Freephone Numbers
A single Toll Free Number for a truly global brand presence and reachability.
Universal International Freephone Numbers
A single Toll Free Number for a truly global brand presence and reachability.
Mobile Phone Numbers
A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.
Mobile Phone Numbers
A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.
Shared Cost Numbers
Effortless business phone number setup with country-wide accessibility.
Two-way SIP Trunking
A powerful inbound and outbound SIP Trunking solution with rock-solid reliability, excellent audio quality and flexible trunk configurations.
Flexible Capacity options
Flat-rate, pay-per-minute and hybrid voice channel Capacity for maximum availability and cost-efficiency.
Business phone.systems™
Fully-scalable, simple to use cloud-based PBX with a unique interface and an extensive feature set.
Emergency Dialing
DID Numbers routed to the relevant PSAP for safety and compliance.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Shared Cost Numbers
Effortless business phone number setup with country-wide accessibility.
Two-way SIP Trunking
A powerful inbound and outbound SIP Trunking solution with rock-solid reliability, excellent audio quality and flexible trunk configurations.
Flexible Capacity options
Flat-rate, pay-per-minute and hybrid voice channel Capacity for maximum availability and cost-efficiency.
Business phone.systems™
Fully-scalable, simple to use cloud-based PBX with a unique interface and an extensive feature set.
Emergency Dialing
DID Numbers routed to the relevant PSAP for safety and compliance.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Shared Cost Numbers
Effortless business phone number setup with country-wide accessibility.
Two-way SIP Trunking
A powerful inbound and outbound SIP Trunking solution with rock-solid reliability, excellent audio quality and flexible trunk configurations.
Flexible Capacity options
Flat-rate, pay-per-minute and hybrid voice channel Capacity for maximum availability and cost-efficiency.
Business phone.systems™
Fully-scalable, simple to use cloud-based PBX with a unique interface and an extensive feature set.
Emergency Dialing
DID Numbers routed to the relevant PSAP for safety and compliance.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Local Phone Numbers
Local presence in 62 area codes with geographical DIDs.
National Phone Numbers
Complete freedom for businesses in multi-regional markets across the globe.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Universal International Freephone Numbers
A single Toll Free Number for a truly global brand presence and reachability.
Mobile Phone Numbers
A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.
Shared Cost Numbers
Effortless business phone number setup with country-wide accessibility.
Two-way SIP Trunking
A powerful inbound and outbound SIP Trunking solution with rock-solid reliability, excellent audio quality and flexible trunk configurations.
Flexible Capacity options
Flat-rate, pay-per-minute and hybrid voice channel Capacity for maximum availability and cost-efficiency.
Business phone.systems™
Fully-scalable, simple to use cloud-based PBX with a unique interface and an extensive feature set.
Emergency Dialing
DID Numbers routed to the relevant PSAP for safety and compliance.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Local Phone Numbers
Local presence in 62 area codes with geographical DIDs.
National Phone Numbers
Complete freedom for businesses in multi-regional markets across the globe.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Universal International Freephone Numbers
A single Toll Free Number for a truly global brand presence and reachability.
Mobile Phone Numbers
A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.
Shared Cost Numbers
Effortless business phone number setup with country-wide accessibility.
Two-way SIP Trunking
A powerful inbound and outbound SIP Trunking solution with rock-solid reliability, excellent audio quality and flexible trunk configurations.
Flexible Capacity options
Flat-rate, pay-per-minute and hybrid voice channel Capacity for maximum availability and cost-efficiency.
Business phone.systems™
Fully-scalable, simple to use cloud-based PBX with a unique interface and an extensive feature set.
Emergency Dialing
DID Numbers routed to the relevant PSAP for safety and compliance.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Local Phone Numbers
Local presence in 62 area codes with geographical DIDs.
National Phone Numbers
Complete freedom for businesses in multi-regional markets across the globe.
Toll Free Phone Numbers
An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.
Universal International Freephone Numbers
A single Toll Free Number for a truly global brand presence and reachability.
Mobile Phone Numbers
A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.
Shared Cost Numbers
Effortless business phone number setup with country-wide accessibility.
Two-way SIP Trunking
A powerful inbound and outbound SIP Trunking solution with rock-solid reliability, excellent audio quality and flexible trunk configurations.
Flexible Capacity options
Flat-rate, pay-per-minute and hybrid voice channel Capacity for maximum availability and cost-efficiency.
Business phone.systems™
Fully-scalable, simple to use cloud-based PBX with a unique interface and an extensive feature set.
Emergency Dialing
DID Numbers routed to the relevant PSAP for safety and compliance.
Cloud Fax services
Fax messages to selected numbers or email delivered via T.38 or G.711u protocols.
Request a quote
Get an offer tailored for your business
Why do customers choose DIDWW?
The VoIP platform for telecommunication and business professionals
Compliant two-way SIP Trunking, everywhere
Full global compliance in 93 countries and 5474 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.
Designed for carriers, excellent for enterprises
Built for quality, performance, security and privacy at every level. Network uptime - 99,998%, strategically placed mega POPs, direct peering & optimised routing.
Profitable business outcomes
Experience DIDWW flexibility from custom pricing to free professional customer service to simplify your business decisions.
Powerful, yet simple-to-use self-service portal
Choose the DIDWW user panel for full control of your telecommunication services. Statistics, monitoring, number search, porting and provisioning.
Time saving business processes automation
Include the extensive range of DIDWW core services within your own business processes with the REST API.
Trusted by professionals
See what our partners have to say about our quality and commitment

“DIDWW played a pivotal role in overcoming several telephony challenges we faced in the APAC region. Their exceptional support throughout—and following—our accelerated rip-and-replace initiative has been unmatched. Furthermore, their user interface streamlines the purchasing and provisioning of new numbers, making the process virtually seamless. As a result, we plan to continue expanding our international contact centers with DIDWW as our primary carrier.”

"For a CCaaS platform provider, like us, quality of communications is so important. We are very happy with DIDWW's DID and voice services, as they are helping make the customer experience in our VCC 360 solution seamless. Making our services more widely accessible from browsers can never compromise voice quality, and DIDWW is a great partner in ensuring this."

“Considering the growth rate of the Teltonika company group, it is important to ensure that the newly appointed employees can easily and efficiently reach our partners around the world. This has been achieved with the help of the DIDWW team by deploying their communications solution across all Teltonika offices in 22 countries.”

“An important part of our customer portfolio is active outside of Belgium, hence we were looking for a unified communications solution to implement across multiple geographies. With customers present in 30+ countries, this partnership has opened doors and possibilities for Cloud Group by expanding our target markets outside of our local presence.”

“Through our strong partnership with DIDWW, we are able to offer reliable and innovative VoIP communication services to our valued customers. With our extended global reach, secure cloud-based solutions, and dedication to customer satisfaction, we can meet unique business requirements, promoting their success and facilitating international growth.”

“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.”

“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.”

“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.”

“DIDWW has helped to facilitate our migration to the INVADE ‘Dialler as a Service’ model by making it simple and cost effective for us to manage all of our client’s SIP requirements in-house. They share our vision and we value their partnership.”

“DIDWW has helped to facilitate our migration to the INVADE ‘Dialler as a Service’ model by making it simple and cost effective for us to manage all of our client’s SIP requirements in-house. They share our vision and we value their partnership.”

“DIDWW played a pivotal role in overcoming several telephony challenges we faced in the APAC region. Their exceptional support throughout—and following—our accelerated rip-and-replace initiative has been unmatched. Furthermore, their user interface streamlines the purchasing and provisioning of new numbers, making the process virtually seamless. As a result, we plan to continue expanding our international contact centers with DIDWW as our primary carrier.”

"For a CCaaS platform provider, like us, quality of communications is so important. We are very happy with DIDWW's DID and voice services, as they are helping make the customer experience in our VCC 360 solution seamless. Making our services more widely accessible from browsers can never compromise voice quality, and DIDWW is a great partner in ensuring this."

“Considering the growth rate of the Teltonika company group, it is important to ensure that the newly appointed employees can easily and efficiently reach our partners around the world. This has been achieved with the help of the DIDWW team by deploying their communications solution across all Teltonika offices in 22 countries.”

“An important part of our customer portfolio is active outside of Belgium, hence we were looking for a unified communications solution to implement across multiple geographies. With customers present in 30+ countries, this partnership has opened doors and possibilities for Cloud Group by expanding our target markets outside of our local presence.”

“Through our strong partnership with DIDWW, we are able to offer reliable and innovative VoIP communication services to our valued customers. With our extended global reach, secure cloud-based solutions, and dedication to customer satisfaction, we can meet unique business requirements, promoting their success and facilitating international growth.”

“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.”

“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.”

“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.”

“DIDWW has helped to facilitate our migration to the INVADE ‘Dialler as a Service’ model by making it simple and cost effective for us to manage all of our client’s SIP requirements in-house. They share our vision and we value their partnership.”

“DIDWW played a pivotal role in overcoming several telephony challenges we faced in the APAC region. Their exceptional support throughout—and following—our accelerated rip-and-replace initiative has been unmatched. Furthermore, their user interface streamlines the purchasing and provisioning of new numbers, making the process virtually seamless. As a result, we plan to continue expanding our international contact centers with DIDWW as our primary carrier.”

"For a CCaaS platform provider, like us, quality of communications is so important. We are very happy with DIDWW's DID and voice services, as they are helping make the customer experience in our VCC 360 solution seamless. Making our services more widely accessible from browsers can never compromise voice quality, and DIDWW is a great partner in ensuring this."

“Considering the growth rate of the Teltonika company group, it is important to ensure that the newly appointed employees can easily and efficiently reach our partners around the world. This has been achieved with the help of the DIDWW team by deploying their communications solution across all Teltonika offices in 22 countries.”

“An important part of our customer portfolio is active outside of Belgium, hence we were looking for a unified communications solution to implement across multiple geographies. With customers present in 30+ countries, this partnership has opened doors and possibilities for Cloud Group by expanding our target markets outside of our local presence.”

“Through our strong partnership with DIDWW, we are able to offer reliable and innovative VoIP communication services to our valued customers. With our extended global reach, secure cloud-based solutions, and dedication to customer satisfaction, we can meet unique business requirements, promoting their success and facilitating international growth.”

“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.”

“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.”

“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.”

“DIDWW has helped to facilitate our migration to the INVADE ‘Dialler as a Service’ model by making it simple and cost effective for us to manage all of our client’s SIP requirements in-house. They share our vision and we value their partnership.”
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