> For the complete documentation index, see [llms.txt](https://isdn.learn-telecom.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://isdn.learn-telecom.com/services/teleservices.md).

# Teleservices

ISDN (Integrated Services Digital Network) Teleservices refer to a set of telecommunication services that allow the integration of voice and non-voice services using digital transmission over standard telephone lines. 

Key features include:

* **Voice Services:** High-quality voice communication.
* **Data Services:** Supports services like fax, video, and packet-switched data transmission.
* **Supplementary Services:** Additional features like call forwarding and caller ID.

These services provide a versatile and efficient communication solution by leveraging the digital capabilities of ISDN networks.