# didlogic Voice and SIP

> This scope covers didlogic SIP trunking, DID numbers, voice termination, and number-porting services under /voice/.

Use the developer portal for configuration steps, API references, and PBX implementation details.

## SIP services

- [SIP trunking](https://didlogic.com/wp-content/uploads/llms_md/sip-trunking.md): SIP connectivity for PBXs, contact centers, dialers, and communications applications.
- [A-Z VoIP termination](https://didlogic.com/wp-content/uploads/llms_md/a-z-voip-termination.md): International voice termination for fixed and mobile destinations.
- [In-country SIP trunk](https://didlogic.com/wp-content/uploads/llms_md/in-country-sip-trunk.md): SIP trunking information for deployments that require local voice routing.
- [Asterisk SIP trunk](https://didlogic.com/voice/sip-trunks/asterisk-sip-trunk/): Product information for connecting Asterisk systems to didlogic SIP trunks.

## DID numbers and porting

- [DID numbers](https://didlogic.com/wp-content/uploads/llms_md/local-did-numbers.md): Local, mobile, national, and toll-free virtual numbers delivered over SIP.
- [Number porting](https://didlogic.com/wp-content/uploads/llms_md/number-porting.md): Port existing DID numbers to didlogic.
- [Toll-free porting](https://didlogic.com/voice/did-numbers/toll-free-porting/): Port toll-free numbers and review migration considerations.
- [Paperless LNP](https://didlogic.com/voice/did-numbers/paperless-lnp/): Digital porting workflow for supported local and toll-free number markets.

## Implementation documentation

- [SIP trunking and PBX setup](https://docs.didlogic.com/docs/guides/sip-trunking-pbx-setup/): Technical configuration guides for PBX and SIP systems.
- [didlogic developer portal](https://docs.didlogic.com/): API and implementation documentation.