Low Bit RateLBR
Low Bit Rate CodecLBRC
Mini-CertificateMC
Media Gateway Control ProtocolMGCP
Music On HoldMOH
Mean Opinion Score (1-5, the higher the better)MOS
Multiplatform PhonesMPP
Millisecondms
Music Source AdaptorMSA
Message Waiting IndicationMWI
Open Switching IntervalOSI
Printed Circuit BoardPCB
Polarity ReversalPR
Provisioning ServerPS
Perceptual Speech Quality Measurement (1-5, the lower the better)PSQM
Public Switched Telephone NetworkPSTN
Network Address TranslationNAT
Out-of-bandOOB
(SIP) Request MessageREQT
(SIP) Response MessageRESP
(SIP) Response Status Code, such as 404, 302, 600RSC
Real Time ProtocolRTP
Round Trip TimeRTT
Streaming Audio ServerSAS
Session Description ProtocolSDP
Cisco IP Phone 6800 Series Multiplatform Phones Provisioning Guide
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Acronyms
Acronyms