I am unsure if I understand the ask. If you have a Webex Host account/login that can be used to host a meeting. Those same credentials are not used to launch a Zoom meeting. If you mean that you want to use your Webex account and then share your Zoom meeting within the Webex meeting that is possible. Please outline your end goal so we can educate you with the proper features and functionalities.
If you have questions on product comparison or features you need to use in your Webex instance we can definitely help with those type of question
Have a great Wednesday!
