I know that server-side integration is the preferred and fully supported method currently. Unfortunately, we have different teams that use different CRM systems, so I need to integrate with both ZenDesk and HubSpot, (and possibly SalesForce in the future) which isn't supported server-side.
I am...
I followed all instructions from https://www.3cx.com/user-manual/zendesk-crm-integration/ - document no longer exists, but as soon as i click on the "Authorise" button on the Windows softphone i receive an "unable to connect" error.
In Zendesk i created the OAth token with the correct name and...