A humanitarian group called Telecoms Sans Frontieres (TSF) is currently heading for Lebanon to establish emergency telecommunication infrastructure using satellite links, 802.11 nodes, laptops, faxes and mobile phones.
Deploying such wireless networks has been already tested and proved the best solution in such cases. The army and emergency response teams have been among the first to acquire such technology.
Who could argue now that WiFi is not reliable? In a country at war where all wired power and communication grids have been bombed, it seems that wireless communications will do the job.
I've already talked about this at Net Phones Services: Are We There Yet where I stressed out that Computer Network Phone Services could fully take over current wired models.