Add a description, image, and links to the sip-trunking topic page so that developers can more easily learn about it.

But as cars became smaller and more aerodynamic, trunks shrank. A traditional sedan or coupe with a generous trunk is hard to come by these days. And with the world having gone crossover/SUV crazy ...

The operator console controls incoming calls and routes them to the appropriate extension through minimal human intervention. Trunk lines are the PBX’s way of connecting to lines outside a building.