> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.hams.ai/cloud-call-center/settings/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.hams.ai/_mcp/server.

# Telephony settings

## Docs

- [Trunks](https://docs.hams.ai/cloud-call-center/settings/trunks.md): Add the SIP connections between the call center and your carriers, and set how each connection carries calls.
- [SIP domains](https://docs.hams.ai/cloud-call-center/settings/sip-domains.md): See the SIP domains of your account, which hold the extensions, trunks, and outbound routes.
- [DIDs](https://docs.hams.ai/cloud-call-center/settings/dids.md): Add the inbound numbers of the call center and point each number at a call flow.
- [Extensions](https://docs.hams.ai/cloud-call-center/settings/extensions.md): Give each agent an extension with a number and a SIP secret, and set the outbound caller ID and codecs.
- [Queues](https://docs.hams.ai/cloud-call-center/settings/queues.md): Create queues that hold callers until an agent is free, and set the members, policies, and hold audio.
- [Outbound routes](https://docs.hams.ai/cloud-call-center/settings/outbound-routes.md): Choose which trunk carries an outbound call based on the number dialed, and rewrite the numbers for the carrier.
- [Voicemail boxes](https://docs.hams.ai/cloud-call-center/settings/voicemail-boxes.md): Set up the shared mailbox and the personal mailboxes where callers leave messages, and set the account defaults.
- [Music on hold](https://docs.hams.ai/cloud-call-center/settings/music-on-hold.md): Create music on hold classes with a playlist of sounds and assign a class to a queue.
- [Sounds](https://docs.hams.ai/cloud-call-center/settings/sounds.md): Upload the audio files that call flows, queues, voicemail boxes, and hold music play to callers.