Computer telephony integration (CTI)
Computer telephony integration is the software layer that connects a phone system to a business application such as a CRM, enabling click-to-call, screen pops that show the caller's record on an incoming call, and automatic logging of call outcomes. It exists because the phone system and the customer record are usually separate products from separate vendors.
How it works
The CTI layer subscribes to call events from the phone system and translates them into actions in the CRM: matching a caller ID to a contact, opening that record, writing a call activity when the call ends, and passing recordings or transcripts across.
Why it matters
Without it, the phone system holds the call and the CRM holds the context, and reps reconcile the two by hand. With it, a call becomes a logged interaction on the right record automatically.
The alternative
Native telephony inside the CRM removes the layer entirely. There is nothing to integrate because the call and the record are the same product — one fewer connector to own and one fewer place for data to diverge.
How Autocloz handles it
Autocloz does not use a CTI layer because the phone system is part of the CRM. Dialer, click-to-call, IVR, voicemail drops and call reporting are native, so disposition, recording and next step write to the lead timeline alongside every other channel with no connector in between.
FAQ
Do I need CTI?
Only when your phone system and CRM come from different vendors. It is the standard way to join them, and it works — but it is a connector you now own the reliability of. Native telephony inside the CRM removes the requirement.
What is a screen pop?
The CTI behaviour of automatically opening the caller's record when an inbound call arrives, matched on caller ID, so the person answering has the history in front of them before they speak.
Related terms
An auto dialer is any system that dials numbers from a list without a person pressing digits. It is an umbrella term covering four modes — preview, power, parallel and predictive — which differ in how many calls the system places relative to how many agents are free, and that single variable determines connect rate, answer delay and regulatory exposure.
Click-to-call is the ability to place a phone call by clicking a number in software rather than dialling it manually. In a CRM it means calling a contact from their record, with the call automatically logged against that record when it ends — removing both the transcription errors of manual dialling and the logging step afterwards.
Caller-ID rotation is the practice of placing outbound sales calls from a pool of phone numbers (often country- or area-matched to the prospect) rather than a single number, to improve answer rates and avoid a single number being flagged as spam.
A CRM (Customer Relationship Management) system is software that stores and organizes your contacts, companies, deals and interactions in one place, so a team can manage relationships and a sales pipeline. Modern CRMs also automate follow-up, reporting and, increasingly, AI-assisted outreach.