### Answer To set up a phone number for inbound calls only, configure the number with an

inbound_agent_id

and leave the

outbound_agent_id

as

null

. [(1) ]() When creating or updating a phone number: - **Inbound Agent**: Set

inbound_agent_id

to the agent that handles incoming calls [(2) ]() - **Outbound Agent**: Set

outbound_agent_id

to

null

— this prevents the number from initiating outbound calls without an agent ID override Example using the SDK:

javascript
const phoneNumberResponse = await client.phoneNumber.update('+14157774444', {
  inbound_agent_id: 'oBeDLoLOeuAbiuaMFXRtDOLriTJ5tSxD',
  outbound_agent_id: null,
  nickname: 'Frontdesk Number',
}) ;

Or when creating a new number:

javascript
const phoneNumberResponse = await client.phoneNumber.create({
  area_code: 415,
  inbound_agent_id: 'oBeDLoLOeuAbiuaMFXRtDOLriTJ5tSxD',
  outbound_agent_id: null,
}) ;

[(3) ]() After binding an inbound agent, your number is immediately ready to receive calls. [(1) ]()

​ To learn more, see the sources I considered: [[1] Outbound Calls (Make Calls)](https://docs.retellai.com/deploy/outbound-call) [[2] Update Phone Number](https://docs.retellai.com/api-references/update-phone-number) [[3] Create Phone Number](https://docs.retellai.com/api-references/create-phone-number) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.

@AI Evy can retell ai send whole history of the calls and details to a different server so the retell only process the data but not actually store it via enterpise plan ?

### Answer --- Based on the available sources, I don't have specific documentation about a "zero storage" or "process-only" data handling option where Retell processes calls but doesn't store any data on their servers. However, the sources do mention several relevant enterprise-level data handling capabilities: - Webhooks can push real-time data (call.started, call.ended, call.analyzed, etc.) to external systems [(1) ]() - Delete Calls & Remove Sensitive Data — for compliance reasons, you can delete call records completely or remove only recordings and transcriptions - Personal Info (PII) Redaction — detects and removes sensitive data from transcripts and recordings - Enterprise plans include SOC 2, HIPAA readiness, GDPR compliance, PII redaction, encryption, and audit logs [(2) ]() For your specific requirement about processing data without storing it, I'd recommend reaching out directly to the sales team to discuss custom enterprise data handling arrangements: - [Contact Sales]() Would you like a general answer based on typical enterprise data handling practices, or do you have other questions I can help with?

​ To learn more, see the sources I considered: [[1] Platform Changelogs | Retell AI](https://www.retellai.com/changelog) [[2] Enterprise Conversational AI Platform](https://www.retellai.com/enterprise-conversational-ai-platform) ​

Feel free to tag @AI Evy with additional questions. I also appreciate feedback, it helps me improve.