What Is a Warm Transfer? Warm vs Cold Transfer

Quick answer

A warm transfer, also called an attended transfer, is when an agent puts the caller on hold, speaks to the person who will take the call, explains who the caller is and what they need, and only then connects them. The caller does not repeat their story. In a cold (blind) transfer the call is sent on with no briefing, and the next person starts from nothing.

Every transfer costs a little trust. The caller has already explained their problem once, and now they are being moved. A warm transfer pays that cost back: the next person picks up already knowing the name, the reason for the call and what has been tried, and the caller hears that they were listened to.

The terms get mixed up. "Attended", "consult" and "announced" transfer all mean the same as warm. "Blind" and "unannounced" mean cold. A conference transfer is the warmest of all, because the caller hears the briefing.

Warm transfer vs cold transfer vs conference transfer

	Cold (blind) transfer	Warm (attended) transfer	Conference transfer
What happens	The call goes straight to a person or queue	The agent briefs the next person while the caller holds, then connects	Agent, caller and next person are on the line together for the introduction
Caller repeats themselves?	Usually yes	No, if the briefing was good	No, and they hear what was passed on
Time for the first agent	A few seconds	Typically under a minute of consult	The longest: the whole introduction
Risk	Wrong destination, caller lost in a queue	Caller left on hold too long if nobody answers	Ties up two people
Best for	Simple routing to a clearly right destination	Complaints, escalations, partly solved problems	High-stakes or upset callers, handoffs to a specialist

How to do a warm transfer, step by step

Pick the right destination first. Check the person or team actually handles this request. A warm transfer to the wrong place is still a wasted transfer.
Tell the caller what will happen. Who they are going to, why, and roughly how long they will hold.
Hold the caller and call the destination. This is the consult leg; the caller cannot hear it.
Brief in about ten seconds. Name, reason, what is done, what is still open, any promise made.
Check they can take it. If not, go back to the caller with options instead of leaving them waiting.
Connect and introduce. Name both people so the next agent can open with the caller's name.
Leave a note. Record the transfer reason in the disposition so you can measure it later.

Warm transfer script: agent to agent

To the caller: "Thanks, Mr Haddad. Changing the payment date needs our billing team, so I'm going to introduce you to a colleague there. I'll explain everything so you won't have to repeat it. Can I put you on hold for about a minute?"

To the colleague (consult): "Hi Lina, I have Omar Haddad, account ending 4471. He wants to move his payment date from the 1st to the 15th. I've confirmed his identity and his address. Still open: whether the late fee from this month can be waived. I told him someone would answer that today. Can you take him?"

Connecting: "Mr Haddad, I have Lina from billing. She knows you'd like to move your payment date and has a question about this month's fee. Lina, over to you."

If nobody is free: "Mr Haddad, billing are all on calls right now. I can keep you in their queue, or book a callback for 3 pm today. Which would you prefer?"

Warm transfer script: AI voice agent to a human

When an AI voice agent hands a call to a person, the same rules apply: say what is happening, never go silent, and state any promise made. Context for the person may be spoken, written or both, depending on the platform.

AI to the caller: "I understand you'd like to talk about a charge on your last invoice. That needs someone from our accounts team, so I'm connecting you now. It may take a moment."

Context for the person (whatever the platform carries): caller name and number, "disputes a charge on the September invoice", details already collected, reason for transfer: payment dispute.

Human, opening: "Hi Ms Rahman, this is Karim in accounts. I understand it's about a charge on your September invoice. Let's look at it together."

More on triggers and fallbacks is in AI voice agent human handoff; greeting, complaint and transfer lines in English and Arabic are in inbound call center scripts.

When is a cold transfer fine?

The caller only asked to be routed. "Sales, please" needs no briefing.
Nothing has been collected yet. If the first agent knows nothing the next one would use, a consult adds hold time and no value.
The destination is a queue, not a person. You cannot brief a queue. Good routing, by ACD rules or skills-based routing, matters more here than the transfer type.
The caller asks to be moved now. Respect it.

Common warm transfer mistakes

Long, silent holds. If the consult runs past a minute, go back to the caller and update them.
A briefing the next agent ignores. If the second agent opens with "How can I help?", the caller repeats everything anyway. Train the receiving side to open with the caller's name and reason.
Transferring to avoid the call. If the first agent could have solved it, the transfer is a training gap, not a routing need.
Dropping the caller into voicemail. Offer a callback instead, at a time you state.
Losing promises. "Someone will refund the fee" has to reach the next person, or it is broken.
No record of why. Without a transfer reason you cannot fix the cause.

Which metrics show if transfers are working?

Transfer rate. Transferred calls as a share of handled calls. SQM Group gives 19% as the industry standard and 15% or less as a good result, and reports that when a customer is transferred, top-box satisfaction is 12% lower and first call resolution 14% lower (SQM Group, opened October 2026).
Repeat-explanation complaints. Tag "had to repeat myself" in survey comments and quality reviews. It is the clearest sign a warm transfer was cold in practice.
Transfers by reason and destination. One destination getting most transfers usually points to a routing or IVR problem.
Abandoned transfers. Callers who hang up during the consult or after being sent on.
Handle time on both legs. Look at average handle time for the whole call, not only the first agent's share.

How does DialerBee handle transfers?

In the DialerBee agent desktop, agents choose a blind transfer when the call just needs to move on, or an attended transfer to speak to the destination first and introduce the customer. Transfer presets hold the destinations the team uses all day, so they are one click instead of a dialled number, and conference brings a third party onto the live call. Supervisors can listen, whisper to the agent or barge in on inbound calls.

The AI voice agent, which also runs as an AI receptionist, hands calls off to a human agent, and a supervisor can listen live to an AI call and take it over. If you are evaluating this, ask to see a handoff on a test call and check what the receiving agent sees. Plans and AI pricing are on the pricing page.

See blind, attended and AI handoffs on a live call

We will show the agent desktop's transfer controls and an AI voice agent passing a call to a person.

Book a demo Free trial with your own SIP trunk or PBX

Frequently Asked Questions

What is a warm transfer?

A warm transfer is a call transfer in which the first agent speaks to the person receiving the call before handing it over, explains who the caller is and what they need, and then connects them, so the caller does not have to repeat their story.

Is an attended transfer the same as a warm transfer?

Yes, in practice. "Attended transfer" is the telephony name for it, used in phone systems and PBX menus; "warm transfer" is the contact center name. Both mean the agent consults the destination before completing the transfer. Some systems also call it a consult or announced transfer.

What is the difference between a warm and a cold transfer?

In a cold (blind) transfer the agent sends the call straight to another person or queue without speaking to them first. In a warm transfer the agent briefs the receiving person first. Cold is faster for the sending agent; warm is better for the caller whenever context matters.

What is a conference transfer?

A conference transfer, sometimes called a three-way handoff, puts the first agent, the caller and the receiving person on the line together. The first agent introduces the case with the caller listening, then drops off. It is the warmest option and the slowest.

What should a warm transfer script include?

A line to the caller saying who they are going to and why, a hold request with an honest wait time, a briefing to the receiving agent covering name, reason, what is done, what is still open and any promise made, and an introduction that names both people when the call is connected.

What happens if nobody answers during a warm transfer?

Go back to the caller rather than leaving them on hold. Tell them the person is not free, then offer a choice: wait in the queue, take a callback at a stated time, or let you finish what you can now. Never complete the transfer into a voicemail the caller did not choose.

Does a warm transfer increase handle time?

It adds time for the first agent, usually the length of the briefing. It tends to save more on the receiving side, because the second agent does not have to start again, and it cuts repeat calls from transfers that went to the wrong place.

Can an AI voice agent do a warm transfer?

An AI voice agent can tell the caller who they are being passed to and why, and hand the call to a person or queue. Whether the person also receives written context depends on the platform, so ask the vendor to show exactly what the human agent sees when the call arrives.

What Is a Warm Transfer? Warm vs Cold Transfer, with a Script