# Analytics and reference data

Reading statistics of past calls with filtering by date, type, operator and other fields, and a reference of available voices for speech synthesis in automatic calls.

Bitrix24 API: `voximplant.statistic.get`, `voximplant.tts.voices.get`
Scope: `telephony`

## Operations

- [Call statistics](./analytics/statistics.md) — `GET /v1/calls/statistics`
- [Voice reference](./analytics/voices.md) — `GET /v1/calls/voices`

## See also

- [Telephony — overview](../telephony.md)
- [Outbound calls](./outbound.md) — voices are used as `voice` in an automatic call with speech synthesis