VPN software may cause networking issues and prevent the “Caller ID on PC” software from functioning properly. An ideal setup of the software would entail use without a VPN client. Was this article helpful to you? Related Articles Can I change my Subscriber ID or Password? Where can I download the Caller ID on PC software? How do I personalize my Line Number tab? How do I get Caller ID on PC? How do I access the personalization web portal? How many PCs can I install the client software on for each phone? Comments are closed.