A provider can deliver a message while the business records the conversation against the wrong person. The connector’s job is larger than transport: it must preserve customer identity, staff ownership and the next action the team expects.
Make a small record set
Prepare a new contact, a returning contact, a duplicate telephone entry and a contact whose owner recently changed. Use appropriate test recipients and clearly mark the records. These cases expose different connector assumptions without requiring a large campaign.
Normalize phone numbers deliberately in your CRM and retain the provider’s own conversation identifier. A telephone address is useful for transport, but may not be your system’s only stable customer key. Do not silently merge two people just because a lookup returned one ambiguous record.
Ask the rep to complete the work
Have a staff member receive an attachment, reply, transfer the thread and leave a note. Check which of those actions the connector synchronizes. A maintained CRM integration can still omit an event your operation relies on. Test the actual tier, permissions and plugin version being proposed.
Separate provider acceptance from later delivery and response. A workflow should not mark a deal as engaged merely because the send endpoint accepted the request. Define the business transition and the evidence required for it.
Keep assignment stable under delay
Introduce a duplicated incoming event and a late response after a contact is reassigned. The event should enrich the correct conversation without restoring an old owner or repeating a business task. Ask how the integration retries and reconciles records.
Before increasing traffic, review a sample of completed threads with the team. Can someone explain who replied, which contact was involved and what should happen next? That evidence is more useful than a vendor demonstration that ends at the first blue bubble.