---
title: Use WhatsApp Business App and Phonovation together
description: Guidance on WhatsApp Business App coexistence with Phonovation.
---
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October 15, 2026
# Use WhatsApp Business App and Phonovation together
## Coexistence may let an eligible business keep using the WhatsApp Business App while connecting the same number to Phonovation.
Coexistence is a Meta eligibility option for businesses that need to continue using the WhatsApp Business App while also connecting the same number to Phonovation. It is not available to every sender.
## Before you choose coexistence
- Decide whether staff need the WhatsApp Business App after the Phonovation connection is live.
- Check that the number, business account and app setup meet Meta's current eligibility requirements.
- Plan ownership of customer conversations so teams do not send duplicate or conflicting replies.
## Register an eligible sender
1. Start sender registration in **Channels and Numbers › Channels › WhatsApp**.
2. Choose the existing WhatsApp Business App number when prompted.
3. Complete the Meta registration steps and select coexistence only when it is offered.
4. Test the sender, routing and template access before using it for customer traffic.
Meta controls eligibility and may change the rollout by region. If coexistence is not offered during signup, contact Phonovation for advice on the appropriate migration route.
## Related articles
[Get started with WhatsApp](https://knowledgebase.phonovation.com/messaging-whatsapp/phono-msg-get-started?hsLang=en) · [Resources and numbers](https://knowledgebase.phonovation.com/messaging-whatsapp/phono-msg-resources-and-numbers?hsLang=en)
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- [AgentOS](https://knowledgebase.phonovation.com/messaging-whatsapp/agentos?hsLang=en)
- [Platform and connectivity](https://knowledgebase.phonovation.com/messaging-whatsapp/platform-and-connectivity?hsLang=en)
- [Customer engagement](https://knowledgebase.phonovation.com/messaging-whatsapp/customer-engagement?hsLang=en)
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