Page 60 - CSW - BT Cisco Sales Workshop
P. 60

IP Telephony Comparison to PBX Architecture












                                                                                                                 Communications
                                        Call                                                                     Manager
                                    Processing





                                                                                                                 Ethernet
                                                                                                                 LAN Switch






                                                                                                                 Voice-Enabled
                                                                                                                 Router or Gateway
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