Nico's request was sent as a digital message, not a voice communication, due to the distance involved, and General Yaakov's authority signature was employed, with his permission, of course, to authenticate the message.
What they requested was a direct meeting with the Duke about a large sale of Crystal Nanotubes and a conversation about a matter of planetary security. That should be enough to at least attract the attention of his staff, so Max simply sat back and waited as the Terminus fell into orbit around the planet, waiting on a response that would determine if they could sell their wares here and what this world's fate might be.
The Klem pods approaching Kepler were still outside the range of most planetary sensor systems, so they might not even know about the threat, or they might be in on the deal with the rebels and the Tapani and they might think that they are safe.