If you prefer to use your own CRM, it's easy to set up automatic CRM popup and tracking with vendors other than Voicent. Voicent PBX software works with CRM systems like Zoho CRM, Sugar CRM, and Salesforce.
If you're using Voicent's hosted PBX, you can import any .csv file containing CRM records. We don't charge based on the number of contacts you have, so you can import an unlimited number of contacts.
Our on premise PBX software integrates with nearly all CRM vendors on the market, so you shouldn't have a problem if you want to keep using your current CRM system.