Numbers
Browse implementation guides and troubleshooting walkthroughs.
Number Caps
How to set up granule number caps
Read guide→Delete Numbers in Bulk
Learn how to Release Numbers individually or in bulk.
How to add the "DNC.com" Integration into your campaigns
Integrate DNC.com with Retreaver to add contact center compliance to adhere to TCPA and DNC regulations.
How to Add a Sub ID to a Number
sub_id is an alternative ID to use to help track your Numbers
Click-to-Call: Programmatic Call Initiation
Using Click-to-Call web visitors may initiate calls from your web page with just the click of a button.
Navigation Panel Usage and Terminology
<table><tbody><tr><td><img src="https://help.retreaver.com/hc/article_attachments/360015882592/pasted_image_0.png" alt="pasted_image_0.png"></td><td><p><span>The Retreaver Navigation Panel will aid yo...
How to Test a Call Tracking Campaign
Before sending Numbers out into the wild to track all your calls, it's good practice to test your campaigns and routing configurations. Retreaver provides a number of mechanisms for testing your campa...
Which Countries Allow for Outgoing Calls?
All calls in Retreaver involve an inbound leg and and outbound leg. Inbound is from the Call Source (Publisher) number to Retreaver and outbound is to the Call Endpoint (Buyer) number....
How to Port Numbers Into Retreaver
Porting is the process of transferring existing phone numbers from one provider to another. The process, for example, allows you to purchase vanity numbers and bring them into your Retreaver account....
How to Block Callers
Should you find yourself receiving calls from unwanted callers, telemarketers or politicians. Retreaver can help you permanently block them from getting through....
How to Display Dynamic Tracking Numbers on your Landing Page
Retreaver can dynamically display tracking numbers on your landing pages, this process is called Dynamic Number Insertion, or DNI for short. This involves adding a single script to the <he...
Which Countries Have Local Numbers Available?
Retreaver supports US toll-free numbers and limited international local numbers, with most international support restricted to high-volume use and subject to additional requirements, monthly charges, address verification in some countries, and MRC account setup.
How UK Toll-Free Calls are Forwarded to US Numbers
If you are trying to send a UK caller ID to a US Toll-free number, we have to obfuscate to the 881 area code otherwise the business rules of US Toll-free numbers won’t let the call through. You can ei...
How to Use Dynamic Caller ID Obfuscation
When an offer has a time-based conversion criteria, some less-than-honorable buyers may be tempted to copy down the Caller ID and call them back to initiate a deal before the conversion timer is rea...
How to Route Calls to a SIP Address
This article explains how to route calls in Retreaver using SIP instead of phone numbers, covering both outbound and inbound configurations. It outlines authentication options, setup requirements, and the SIP headers automatically included with SIP-based call routing.
What are Number Pools and how do they work?
There are two ways of creating campaign numbers, you could create a single static number or generate them dynamically on the landing page using Number Pools. Number pools can help save you money by re...
How to Use Retreaver.js
Retreaver.js is a JavaScript library for displaying and tagging trackable phone numbers. Retreaver.js offers a flexible API so developers can interact with our services in a way that is both straightf...
Static vs Dynamic Phone Numbers: What’s the Difference?
Call tracking software allows marketers to utilize dynamic phone numbers on their web assets, which takes analytics and segmentation to a whole other level....
How to Initiate a Follow-Up Call using Click-To-Call
In April 2018, Drift.com conducted a lead response experiment and found that "90% of all companies didn’t respond in under fiv...
How to Use Retreaver with Voluum
Voluum is one of the most robust tracking systems available to help you optimize your lead spends. However, if you try to track calls to Voluum using a clickid, you would need e...