Walk through any telecom trade show and you will hear three terms thrown around interchangeably: OEM, ODM, JDM. Most buyers nod along. Most are getting it wrong — and it is costing them. Here is the reality: when a North American ISP signs a "manufacturing partnership" with an overseas supplier, they rarely know who actually owns the design, who controls the component sourcing, and who holds the IP when the relationship ends. That ignorance has real financial consequences. Let me break down what