Is it possible and supported to have multiple SPA525G phones at a remote site of an SBCS UC500 deployment with only a basic DSL modem/ switch and not a full blown security router (ASA, SR520, etc) at the other end?
Now that the SR520 as well as the SA500 series are EoL/EoS, what is the officially supported equipment (ie. configurable through CCA) for small teleworker and remote offices using the UC500 SBCS system? Is it the ISA500?