#A4# # Office PBX Asterisk Box# # VoIP Friendly Firewall/Router# ## #IP Telephone# # SIP/IAX/H323 Termination Service Provider# # Softphone Enabled Workplace# #Workstation# # PSTN Gateway# # PSTN Endpoint# # PSTN Network# #Office Area# #Internet Cloud# #Long Distance Calls# #Local/Longdistance Calls# #Incoming Outgoing Local# #Local/Longdistance Calls#