Were you able to find the right Providers within softswitch ? If you're also a provider of softswitch and you're not featured in the business directory yet, you can always Add an entry for free.
The results list for softswitch in Palo. You can find the best softswitch vendors and providers in Palo in the Palo Business Directory. Currently there is no company is registered in the Palo business directory under softswitch.