Empower call centers with VoIP

Leverage the DIDWW two-way voice solution to enhance your call center business

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Why do customers choose DIDWW for their call center business?

  • 99,998% core network uptime

    Highly scalable, secure and fully geo-redundant private network infrastructure with live in-house monitoring 24/7/365.

  • Extensive number coverage

    Local, Mobile, National and Toll Free Virtual Phone Numbers covering 80 countries and 5123 area codes worldwide.

  • Encrypted VoIP

    Voice data encryption using TLS (HTTPS) and secure VPN interconnections.

  • Two-way Voice

    Highest quality inbound and outbound voice communications for businesses of any size.

  • Guaranteed CLI

    Improved ASR and and ACD with guaranteed caller ID.

99,998% core network uptime

Highly scalable, secure and fully geo-redundant private network infrastructure with live in-house monitoring 24/7/365.

DIDWW VoIP building blocks used for call centers

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  • National Phone Numbers

    Complete freedom for businesses in multi-regional markets across the globe.

  • Mobile Phone Numbers

    A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.

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.

  • Shared Cost Numbers

    Effortless business phone number setup with country-wide accessibility.

Toll Free Phone Numbers

An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.

  • Local Phone Numbers

    Local presence in 5085 area codes with geographical DIDs.

  • 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.

  • Universal International Freephone Numbers

    A single Toll Free Number for a truly global brand presence and reachability.

  • Phone Number Porting

    Wide Porting coverage for the seamless migration of your numbers to DIDWW free of charge.

  • Number Selection tool

    The DIDWW user panel for full control over the configuration, management and monitoring of your services.

Local Phone Numbers

Local presence in 5085 area codes with geographical DIDs.

  • National Phone Numbers

    Complete freedom for businesses in multi-regional markets across the globe.

  • Mobile Phone Numbers

    A wide selection of Voice and SMS-enabled phone numbers for cost-effective communications.

  • Toll Free Phone Numbers

    An extensive worldwide coverage of Toll Free Numbers for global businesses with local customers.

  • Shared Cost Numbers

    Effortless business phone number setup with country-wide accessibility.

  • Local Phone Numbers

    Local presence in 5085 area codes with geographical DIDs.

  • 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.

  • Universal International Freephone Numbers

    A single Toll Free Number for a truly global brand presence and reachability.

  • Phone Number Porting

    Wide Porting coverage for the seamless migration of your numbers to DIDWW free of charge.

  • Number Selection tool

    The DIDWW user panel for full control over the configuration, management and monitoring of your services.

National Phone Numbers

Complete freedom for businesses in multi-regional markets across the globe.

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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

Compliant two-way SIP Trunking, everywhere

Full global compliance in 80 countries and 5124 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.

Trusted by professionals

  • Nat Rudy

    C3ntro Telecom

    Carrier Interconnection Manager

    C3ntro Telecom

    “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.”“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

    Air Serbia

    “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.”“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

    Nectar Desk Inc.

    “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.”“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

C3ntro Telecom

“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.”“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.”

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The platform for telecommunication professionals

Extensive DID coverage

All types:

  • Local Numbers
  • National Numbers
  • Toll Free Numbers
  • UIFN
  • Mobile Numbers
  • Shared Cost Numbers
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Extensive DID coverage

All types:

  • Local Numbers
  • National Numbers
  • Toll Free Numbers
  • UIFN
  • Mobile Numbers
  • Shared Cost Numbers

Telecom services

Key services:

  • Two-way SIP Trunking
  • Two-way SMS
  • Flexible Capacity options
  • Emergency Calling
  • Global Phone Number Porting
  • Voice Forwarding and SMS Delivery
  • Cloud Fax services

Professional tools

Key solutions:

  • API
  • Self-service user portal
  • Number porting tool
  • Number selection tool
  • Business phone.systems™

Solutions for operators

Key advantages:

  • API for automation
  • Reliability
  • Compliance
  • Wholesale pricing
  • Porting
  • Scalability
  • Quality

Enterprise communications

All industries:

  • Health
  • Finance
  • Logistics
  • Aviation
  • Retail
  • Tourism
  • Your business

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