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Available for Pearl Voice only.
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The Transfer Call node hands the live call off to another phone number, so your Pearl can bring a human or another line into the conversation. What it does: Transfers the live call to another phone number. When to use: Escalate to a human, route to a manager, or forward to another department.
A Transfer Call node can be triggered in two ways:
  • Reached through a transition: like any other node, when a previous node routes to it. It fires as soon as the flow reaches it, and the When to trigger field is hidden (it isn’t needed).
  • As a floating node: with no incoming transition. Then When to trigger becomes required, and Pearl can jump to the transfer from anywhere in the conversation whenever that condition is met.
You can use both patterns in one flow: place scripted transfers inline via transitions, and keep a floating transfer for exceptions like “the customer asks for a manager.”

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How to Configure

Transfer Call node configuration with phone number, Say, and Warm Transfer
1

Phone Number

Destination in international format (e.g., +12025551234) or a variable.
2

Show client caller ID (optional)

When enabled, Pearl attempts to show the client’s number to the recipient during the transfer, instead of Pearl’s own number.
Test this first. If transfers fail with it on, turn it off.
3

Say (optional)

A line Pearl says to the caller right before transferring (e.g. “I’m connecting you to a specialist now.”).
4

When to trigger (floating nodes only)

Describe when Pearl should trigger the transfer, e.g. “If the client needs a manager or has an emergency.” This field only appears when the node has no incoming transition.
5

Warm Transfer (optional)

Introduce the call to the recipient before Pearl drops off. See Transfer types below.

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Transfer types

A Transfer Call can happen in two ways, controlled by the Warm Transfer toggle. Direct transfer (Warm Transfer off). Pearl connects the caller straight to the destination number without speaking to the recipient first. The recipient picks up with no context. This is the default. Warm transfer (Warm Transfer on). Before dropping off, Pearl introduces the call to the recipient with an intro message, then leaves the two parties connected. Choose how the intro is delivered:
Warm Transfer module with Whisper / 3-way toggle and intro message
Two different messages, don’t confuse them:
  • Say (optional): what Pearl says to the caller right before transferring.
  • Warm Transfer message: what Pearl says to the recipient (and, in 3-way, also to the caller) to introduce the call. Required when Warm Transfer is on. Pearl says this, then drops off.
Example intros
  • Whisper: Hi, I'm on the line with {firstName} regarding {reason}. I'll transfer the call to you now.
  • 3-way: Hi, I'm on the line with {firstName} calling about {reason}. I'll leave you both to it. Thanks!
Pearl Voice only. Pearl Text uses the Hand‑Off node to route conversations to a human.
Transfer Call is terminal: the call leaves Pearl, so the node has no outgoing transitions. Validation flags “Missing Phone Number”, and “Missing Trigger Description” when the node is floating.

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Important Considerations

Country restriction on NLPearl numbers: when the call runs on a phone number purchased from NLPearl, the transfer destination must be a number from the same country. A transfer to another country is refused during the call: the caller stays with your Pearl, and the failed transfer appears in the call’s Event Log. Numbers connected through Twilio or Custom VoIP have no such restriction.Test calls: on a test call placed from an NLPearl number, the country restriction doesn’t apply, but the transferred call is cut after 30 seconds.