stefandsl 533a873ab7 feat: add 3CX telephony provider with Asterisk ARA provisioning ... Registers a new `three_cx` provider that fronts a 3CX cloud PBX through an intermediate Asterisk bridge. Save-time hook writes the matching PJSIP endpoint/aor/auth/registration and dialplan rows to the Asterisk Realtime Architecture Postgres (via `ASTERISK_ARA_DSN`), so a config change in the Dograh UI is immediately picked up by Asterisk without a `pjsip reload`. Strip prefix is honoured at the dialplan layer. Inbound calls are matched back to a configuration by the dialled extension (`account_id_credential_field="extension"`), allowing one shared Asterisk to serve multiple Dograh orgs without collision. Touches `providers/__init__.py` and `schemas/telephony_config.py` only — per `providers/AGENTS.md`. Provider/transport/strategies are duplicated from `ari/` rather than imported, in line with the cross-provider-import prohibition. See `docs/providers/three_cx.md` for the Asterisk ARA setup runbook. Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>		2026-05-26 13:07:50 +02:00
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three_cx.md	feat: add 3CX telephony provider with Asterisk ARA provisioning	2026-05-26 13:07:50 +02:00