CTI System
A CTI System (Computer-Telephony Integration System) in Salesforce refers to the complete telephony infrastructure that integrates with Salesforce, including the PBX (Private Branch Exchange) or cloud phone system, the CTI adapter or connector, and the Salesforce Call Center configuration.
Definition
A CTI System (Computer-Telephony Integration System) in Salesforce refers to the complete telephony infrastructure that integrates with Salesforce, including the PBX (Private Branch Exchange) or cloud phone system, the CTI adapter or connector, and the Salesforce Call Center configuration. Together, these components enable agents to manage phone calls directly within the Salesforce interface.
In plain English
“A CTI System is the whole phone-to-Salesforce setup, not just one piece of it. It includes the actual phone system, the adapter or connector that talks to Salesforce, and the Call Center configuration inside Salesforce. Together, they let agents answer calls and work with records in one place.”
Worked example
Inverloch Aerospace's contact center runs a complete CTI System: a Cisco PBX handles physical call routing, a third-party CTI adapter (provided by their phone-system integrator) bridges Cisco to Salesforce via Open CTI, and a Salesforce Call Center configuration tells Salesforce how to display the softphone and which user gets which line. When a call comes in, all three layers cooperate: the PBX routes to the right queue, the adapter screen-pops the matching customer record, and the Call Center config dictates how the agent's softphone widget renders. The CTI System is the coordinated stack, not any one component alone.
Why CTI System matters
A CTI System refers to the complete telephony-to-Salesforce integration stack, not just any single component. The stack typically includes: the underlying phone system or PBX (whether on-premise, cloud, or hybrid), the CTI Adapter or Connector that bridges the phone system to Salesforce, and the Salesforce Call Center configuration that defines agent settings and softphone layout. When all three are configured correctly, agents get a unified experience where calls, records, and tasks all live in the same interface.
Thinking of the CTI System as a stack rather than a single product matters when troubleshooting or planning. Problems can come from any layer: the phone system itself (call quality, routing rules), the adapter (wrong API calls, browser compatibility), or the Salesforce configuration (missing Call Center assignments, wrong Open CTI softphone layout). Isolating which layer is failing is usually the first step in any CTI support ticket, and it's easier when the team understands the full stack rather than treating it as a black box.
How organizations use CTI System
Documented their full CTI System stack in a runbook so that support engineers can quickly identify which layer is causing issues. The runbook distinguishes between phone system issues (escalated to the telephony vendor) and Salesforce configuration issues (handled internally).
Migrated their CTI System from an on-premise PBX to a cloud phone platform. Because the underlying phone system changed but the adapter and Call Center configuration stayed conceptually similar, the migration could be planned in a structured way.
Treats their CTI System as a single operational responsibility shared between the telephony team and the Salesforce admin team. Regular joint reviews catch drift between the layers before it causes production issues.
Trust & references
Straight from the source - Salesforce's reference material on CTI System.
- Salesforce Open CTISalesforce Help
Test your knowledge
Q1. What does a CTI System include?
Q2. Why is thinking of CTI as a stack useful?
Q3. Where does a CTI issue commonly originate?
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