Using DIDWW SIP trunks with Mixvoip's Voxbi Cloud PBX

DIDWW is a global provider of SIP trunking and cloud-based number services, offering geographic, national, mobile, and toll-free numbers in over 80 countries. Known for its extensive number inventory and regulatory compliance tools, DIDWW is often the go-to choice for companies that need granular control over numbering, routing, and call quality across multiple regions.

Full SIP compatibility

DIDWW is fully compatible with Voxbi, Mixvoip’s Cloud PBX solution. Our team has verified interoperability across all core SIP features, including:

• SIP trunk registration
• Two-way calling (inbound and outbound)
• Custom caller ID presentation
• DTMF support (RFC2833 and SIP INFO)
• Multiple concurrent call support
• Secure signaling and media (TLS and SRTP when configured)

Voxbi's flexible SIP engine integrates with DIDWW using standard configuration parameters, ensuring a smooth deployment for enterprise or multi-site environments.

Mixvoip-certified carrier

DIDWW is listed as a Mixvoip-certified carrier, meaning it has passed compatibility testing with Voxbi’s Cloud PBX platform. This certification ensures full functionality and reliable operation. Learn more about our Bring Your Own Carrier (BYOC) feature here.