Updating your Phenix PWs for Zoiper5
Step 1: Login to your account at https://phenix.ameriglide.com/#/login
Step 2: Once you are logged in, you are going to be directed here : 
Step 3. Once you have clicked on the phone icon inside Phenix, this screen will now pop up. This is the PW that is required for both MicroSIP and Zoiper5. Clicking this button copies the PW:

Step 4: Open Zoiper5. Follow the screenshot guide here on where to post your copied password from Step 3.

Step 5. Once you have completed step 4, you will be directed to click on your Accounts, on this screenshot below:

Step 6: Under the account, please select the account for which you're trying to update your Phenix PW, Screenshot listed below:

Step 7. Once you have selected the account, you will now be directed to remove the existing password displayed below, and press Control + V, or right click on your mouse, and select paste:

Congrats, you have now changed your Zoiper5 PW!