CNAM Explained: How to Choose the Right Provider for Your Business
CNAM (Caller ID Name) is the data field that displays the calling party’s name on a recipient’s phone. A good CNAM provider delivers accurate name data through a fast, well-maintained CNAM database, typically through a CNAM lookup API. When evaluating CNAM providers, weigh attributes like coverage area, accuracy and reliability, ease of integration, and customer support.
What is CNAM and How Does CNAM Lookup Work?
CNAM is a feature that enables the display of the calling party’s name on the recipient’s phone, the line of text that appears below the phone number when a call comes in. A CNAM lookup is the process a phone carrier (or a CNAM API) uses to query a CNAM database and retrieve the name associated with an incoming phone number. CNAM helps businesses build trust with their customers, increase answer rates, and improve business operations.
However, not all CNAM providers (or CNAM databases) are created equal. Choosing the right one is crucial for your business. Below are the factors to weigh when comparing CNAM providers:
How to Choose the Right CNAM Provider: 4 Factors to Evaluate
When comparing CNAM lookup services, focus on these four criteria:
|
Factor |
What to look for |
|
Coverage area |
Comprehensive carrier and regional coverage in every market you operate in |
|
Accuracy and reliability |
A CNAM database with a track record of returning the correct name |
|
Integration |
Modern REST APIs that don’t require new hardware or heavy lift to deploy |
|
Customer support |
A responsive, knowledgeable team you can reach when something breaks |
Coverage Area
One of the essential factors to consider when choosing a CNAM provider is coverage. You want to ensure that the provider can offer coverage in all the areas you operate and with all the required carriers. Some CNAM providers may have limited coverage in some regions or specialize with a specific carrier, which may negatively impact your business. Therefore, it’s important to choose a provider that can offer comprehensive coverage.
Trestle’s Caller Identification API: We have coverage in the U.S. and Canada with 90% name coverage (percentage of times we will have a name for a phone number queried), and 87% address coverage (percentage of times we will have an address for a phone number queried).
Accuracy and Reliability
CNAM information should be accurate and reliable. This means that the information retrieved by your system should match the caller’s name. Inaccurate or outdated information can cause confusion and erode trust between you and your customers. Therefore, you should choose a CNAM provider that has a track record of providing accurate and reliable information.
Trestle’s Caller Identification API: Our accuracy is at 93%, meaning this is the percentage that we have the right name associated with the phone number. Being able to know more about your callers with accurate data, including demographics, phone number metadata, and physical address unlock a host of new use cases.
Integration with Your Phone System
The CNAM provider you choose should be compatible with your phone system. Some providers may require additional hardware or software to integrate with your phone system, which can be costly and time-consuming. Therefore, it’s important to choose a provider that offers seamless integration with your phone system.
Trestle’s Phone Lookup APIs: Our APIs are built on modern RestFUL APIs, making them easy to work with. Depending on the source, latency for CNAM services can be an issue, as real-time CNAM takes more than 1 second on average. Trestle’s dataset is built with speed top of mind, so that the data can be delivered for any real-time implementation.
Customer Support
Technical issues can occur, and it’s essential to have reliable customer support to address any concerns or issues that may arise. The CNAM provider you choose should have a responsive and knowledgeable customer support team that can assist you in case of any technical difficulties.
Trestle’s Team: Our first core value is “Customer First”, so we are dedicated to providing the best service and product to our customers. Our customers’ needs guide our business, and being responsible and accessible to them is what we strive for.
In conclusion, choosing the right CNAM provider for your business is critical to ensure accurate and reliable information is incorporated in your telephone systems. By considering the factors mentioned above, you can find a provider that offers comprehensive coverage, accurate information, reliable customer support, and seamless integration with your phone system with CNAM, as well as our Caller Identification API.
If you have any questions about our phone lookup APIs, please feel free to contact us to discuss.
Frequently Asked Questions
What does CNAM stand for?
CNAM stands for Caller ID Name, also referred to as Calling Name Delivery. It’s the data field that displays the caller’s name alongside their phone number on the recipient’s device.
What is a CNAM lookup?
A CNAM lookup is a query against a CNAM database that returns the name associated with a given phone number. Carriers and businesses perform CNAM lookups (often via a CNAM API) so the right name shows up on inbound calls.
What is the difference between Caller ID and CNAM?
Caller ID typically refers to the phone number that’s displayed on an incoming call. CNAM is the name portion of that display. It’s the text shown above or below the number. A phone can show Caller ID without CNAM, but CNAM doesn’t appear without a successful lookup.
Is CNAM the same as Caller ID?
Not exactly. CNAM is one component of the broader Caller ID experience. Caller ID covers the number itself; CNAM covers the name attached to that number.
How does CNAM work?
When a call comes in, the recipient’s carrier performs a CNAM lookup against a CNAM database (either its own or a third-party provider’s) using the caller’s phone number. The returned name is then displayed on the recipient’s phone, usually within a second.
What is a CNAM API?
A CNAM API is a programmatic way to perform CNAM lookups by phone number. Instead of relying solely on carrier-level CNAM, businesses use a CNAM lookup API to retrieve caller name data on demand for use cases like inbound call routing, fraud screening, and contact enrichment.
What’s the difference between CNAM and Trestle’s Caller Identification API?
Traditional CNAM is delivered through carrier infrastructure and is limited to a name string. Trestle’s Caller Identification API returns the caller’s name plus additional identity attributes such as demographics, phone metadata, and physical address through a single modern REST API call, with 90% name coverage and 93% accuracy in the U.S. and Canada.
