The workshop, which is prerequisite training for SIPVicious PRO, is an extra, one-time cost of 800 EUR per session.
For vendors, targets are the number of products that are on test. For example, a vendor might have a phone system and a hardware phone that they would like to test with SIPVicious PRO. That will result in 2 targets for the purposes of this subscription.
For service providers, targets are the products or systems on test. For example, a service provider might offer a Cloud version of a hosted PBX and a SIP trunk. That will result in 2 targets for the purposes of this subscription. If you need clarification for your specific case, please get in touch.