Guides, API references, regulatory primers and customer stories — everything you need to ship global voice & messaging.
Activate your first phone number, place a call and configure SIP routing in under 30 minutes.
Read guide →Complete REST API documentation with code samples in cURL, Node.js, Python and Go.
Open API docs →Country-by-country regulatory requirements, KYC checklists and porting workflows.
View requirements →Connect your PBX or softswitch to our SIP backbone with examples for Asterisk, FreeSWITCH and Cisco.
Read guide →Send and receive SMS in 90+ countries with two-way conversation support and DLR webhooks.
Quickstart →How airBaltic, PCCW Global and Inmarsat use VOIP2 to power their global communications.
Read stories →