# didlogic

> didlogic provides global voice and messaging infrastructure for AI voice teams, contact centers, communications platforms, resellers, PBXs, and carriers. Its services include SIP trunking, virtual phone numbers, outbound and international voice, A2P and two-way SMS, and telephony connectivity for AI voice platforms.

> Use the developer portal for API references and setup instructions. Availability, compliance requirements, pricing, and number capabilities vary by destination and use case; verify current details on the relevant product or documentation page.

## Core voice and messaging

- [SIP trunking](https://didlogic.com/wp-content/uploads/llms_md/sip-trunking.md): SIP connectivity for PBXs, contact centers, dialers, and communications applications.
- [DID and virtual phone numbers](https://didlogic.com/wp-content/uploads/llms_md/local-did-numbers.md): Product information for local, mobile, national, and toll-free numbers.
- [Outbound voice](https://didlogic.com/wp-content/uploads/llms_md/outbound-voice.md): Outbound SIP voice termination to fixed and mobile networks.
- [International voice termination](https://didlogic.com/wp-content/uploads/llms_md/a-z-voip-termination.md): Wholesale international and A-Z voice termination information.
- [SMS API](https://didlogic.com/products/sms-api/): API for sending SMS from applications, receiving inbound messages via webhooks, and retrieving message status and delivery details.
- [A2P SMS](https://didlogic.com/wp-content/uploads/llms_md/a2p-sms.md): Outbound business messaging, sender types, and traffic requirements.
- [Two-way SMS](https://didlogic.com/wp-content/uploads/llms_md/two-way-sms.md): SMS-enabled virtual numbers for sending and receiving messages where supported.

## AI voice and integrations

- [AI Voice](https://didlogic.com/wp-content/uploads/llms_md/ai-voice.md): Telephony infrastructure for connecting AI voice applications to phone networks.
- [Bring your own carrier](https://didlogic.com/wp-content/uploads/llms_md/bring-your-own-carrier.md): Using didlogic as the telephony carrier for compatible AI voice platforms.
- [AI gateway integration guides](https://docs.didlogic.com/docs/guides/ai-gateways-byob.md): Technical guides for Vapi, Retell AI, LiveKit, and ElevenLabs.

## Developer documentation

- [Developer portal](https://docs.didlogic.com/): didlogic API and implementation documentation.
- [API getting started](https://docs.didlogic.com/docs/api/get-started.md): Authentication and initial API usage.
- [OpenAPI reference](https://docs.didlogic.com/docs/openapi-spec.md): Human-readable API reference.
- [OpenAPI YAML](https://docs.didlogic.com/public_api.openapi.yaml): Machine-readable API contract.
- [SIP trunking and PBX setup](https://docs.didlogic.com/docs/guides/sip-trunking-pbx-setup.md): Configuration guides for PBX and SIP systems.
- [MCP setup](https://didlogic.com/mcp-setup/): Instructions for connecting supported agent tooling to didlogic documentation.

## Use cases

- [AI voice use cases](https://didlogic.com/wp-content/uploads/llms_md/use-cases.md): Application patterns for AI voice telephony.
- [E-commerce](https://didlogic.com/e-commerce/): Voice infrastructure for order confirmations, delivery calls, and customer support.
- [Finance](https://didlogic.com/finance/): Voice infrastructure for verification, collections, and customer support.
- [Healthcare](https://didlogic.com/healthcare/): Phone numbers and voice connectivity for patient calls and appointment reminders.
- [Telecommunication](https://didlogic.com/telecom/): Wholesale voice routes and phone numbers for carriers and platforms.
- [Marketing agencies](https://didlogic.com/marketing-agencies/): Voice infrastructure for outbound campaigns and high-volume calling.

## Coverage

- [Virtual phone number coverage](https://didlogic.com/virtual-phone-numbers/): Browse virtual phone number destinations and number types.

## Learning center

- [Learning Center](https://didlogic.com/learn/): Technical and operational articles about business voice and messaging.
- [What is SIP trunking?](https://didlogic.com/wp-content/uploads/llms_md/what-is-sip-trunking.md): SIP trunking concepts and deployment considerations.
- [What is a DID?](https://didlogic.com/wp-content/uploads/llms_md/what-is-a-did.md): Direct inward dialing and virtual number fundamentals.
- [How AI voice agents connect to phone networks](https://didlogic.com/wp-content/uploads/llms_md/how-ai-voice-agents-connect-to-the-phone-network.md): Technical overview of AI voice telephony connectivity.

## Company and evaluation

- [Why didlogic](https://didlogic.com/network/performance/why-did-logic/): First-party company positioning and service capabilities.
- [Network infrastructure](https://didlogic.com/network/infrastructure/network/): First-party description of network architecture and facilities.
- [Security and certifications](https://didlogic.com/security/): Security program, certificate, and verification information.
- [Contact didlogic](https://didlogic.com/contact/): Sales, support, billing, legal, and company contact information.

## Pricing

- [Voice call rates](https://didlogic.com/pricing/wholesale-international-voice/call-rates/): Outbound call rates by country and destination network.
- [Phone number pricing](https://didlogic.com/pricing/phone-numbers/): Monthly rental and inbound call rates by country and number type.
- [SMS rates](https://didlogic.com/pricing/wholesale-international-voice/sms-rates/): Outbound SMS pricing by country and mobile network.
- [Account levels](https://didlogic.com/account-levels/): Account types and related commercial capabilities.