> For the complete documentation index, see [llms.txt](https://docs.colt.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.colt.net/datasheets/de/voice.md).

# Sprachdienste

- [INTELLIGENTE NUMMERNROUTING-PLATTFORM](https://docs.colt.net/datasheets/de/voice/intelligent-number-routing-platform.md)
- [SIP-Trunking](https://docs.colt.net/datasheets/de/voice/sip-trunking.md): Voll ausgestattetes Colt SIP Trunking
- [SIP-Großhandel](https://docs.colt.net/datasheets/de/voice/wholesale-sip.md)
- [ISDN-DIENSTE](https://docs.colt.net/datasheets/de/voice/isdn-services.md): Colt ISDN-Dienste
- [VOICE-ON-DEMAND-PORTAL](https://docs.colt.net/datasheets/de/voice/voice-on-demand-portal.md)