A.intrusion prevention systems B.catalyst switches C.adaptive security appliances D.protect link gateway
A.Voice gateway B.Private branch exchange (PBX) C.Advanced audio conferencing software D.IP telephone
A.Advanced call-handling software, such as Cisco Unity B.Call-management hardware and software, such as CiscoCallManager C.Client-based software, such as CiscoSoftPhone D.Voice gateways, such as the Cisco VG248 Analog Phone Gateway
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