# Welcome to DIDWW Documentation

Build, configure, and scale voice and messaging services with DIDWW using self-service tools, API, and integrations.

## Get Started

**Phone Numbers**

Search, buy, port in, and manage geographic, national, toll-free, and UIFN numbers.

[Phone Numbers](phone-numbers/index.html)

**Voice - Inbound Trunks**

Configure inbound SIP and PSTN trunks to receive incoming calls to your DID numbers.

[Inbound Trunks](voice/inbound-trunks/index.html)

**Voice - Outbound Trunks**

Enable outbound calling, create SIP trunks, control routing, security, and dialing behavior.

[Outbound trunks](voice/outbound-trunks/index.html)

**SMS**

Send and receive SMS, configure HTTP and Email SMS trunks, and manage Sender ID Verifications.

[SMS](sms/index.html)

**Billing & Pricing**

Set up payment methods, manage payments, balances, pricing, and invoices.

[Billing](billing/index.html)

**Logs & Analytics**

Analyze voice and SMS traffic using statistics, logs, reports, and exports.

[Logs & Analytics](logs-analytics/index.html)

## Explore

[![](_images/ps.webp)](_images/ps.webp)

phone.systems(TM) - Cloud PBX

Configure advanced call routing and automation using IVR menus, queues, time schedules, and caller-based logic.

[Cloud Phone System](phone-systems/index.html)

[![](_images/didww-api-docs-w.webp)](_images/didww-api-docs-w.webp)

API Documentation

Integrate REST API to manage numbers, trunks, services, and call data.

[DIDWW API v3 Documentation - v2026-04-16 (Latest)](api3/2026-04-16/index.html)

[![](_images/otp-verification.webp)](_images/otp-verification.webp)

OTP Verification

Integrate phone number verification using SMS or voice codes.

[OTP Verification](otp-verification/index.html)

## Integrations

![ElevenLabs](_static/icons/elevenlabs.svg)
ElevenLabs

[ElevenLabs](integrations/elevenlabs/index.html)

![Retell AI](_static/icons/retellai.svg)
Retell AI

[Retell AI](integrations/retell-ai/index.html)

![Vapi](../_static/icons/vapi.svg)
Vapi

[Vapi](integrations/vapi/index.html)

![Microsoft Teams](_static/icons/microsoft-teams.png)
Microsoft Teams

[Microsoft Teams Direct Routing](integrations/ms-teams/index.html)

![3cx](_static/icons/3CX.svg)
3CX

[3CX](integrations/3cx/index.html)

![Amazon Chime](_static/icons/aws.svg)
Amazon Chime SDK

[Amazon Chime SDK](integrations/amazon/index.html)

![Yeastar](_static/icons/yeastar.svg)
Yeastar P-Series PBX

[Yeastar P-Series PBX](integrations/yeastar/index.html)

![Asterisk](_static/icons/asterisk.png)
Asterisk

[Asterisk](integrations/asterisk/index.html)

![FreeSWITCH](_static/icons/freeswitch.webp)
FreeSWITCH

[FreeSWITCH](integrations/freeswitch/index.html)

![OpenSIPS](_static/icons/opensips.png)
OpenSIPS

[OpenSIPS](integrations/opensips/index.html)

![Twilio](_static/icons/twilio.png)
Twilio

[Twilio BYOC](integrations/twilio/index.html)

![Avaya](_static/icons/avaya.svg)
Avaya

[Avaya](integrations/avaya/index.html)

![Ribbon](_static/icons/ribbon.svg)
Ribbon

[Ribbon](integrations/ribbon/index.html)

![Telinta](_static/icons/telinta.png)
Telinta

[Telinta](integrations/telinta/index.html)

![Zapier](_static/icons/zapier.png)
Zapier

[Zapier](integrations/zapier/index.html)

![Pabbly](_static/icons/pabbly.svg)
Pabbly

[Pabbly](integrations/pabbly/index.html)

![Genesys](_static/icons/genesys.svg)
Genesys Cloud CX

[Genesys Cloud CX](integrations/genesys/index.html)

![FreePBX](_static/icons/freepbx.png)
FreePBX

[FreePBX](integrations/freepbx/index.html)

![Odoo](_static/icons/odoo.jpeg)
Odoo

[Odoo](integrations/odoo/index.html)

![prometheus-exporter](_static/icons/prometheus-exporter.svg)
Prometheus

[DIDWW Prometheus Exporter](integrations/didww-prometheus-exporter/index.html)