Cisco SPA921 - - IP Phone Provisioning Manual page 113

Acronyms
Cisco Small Business IP Telephony Devices Provisioning Guide
MOH Music On Hold
MOS Mean Opinion Score (1-5, the higher the better)
ms Millisecond
MSA Music Source Adaptor
MWI Message Waiting Indication
OSI Open Switching Interval
PCB Printed Circuit Board
PR Polarity Reversal
PS Provisioning Server
PSQM Perceptual Speech Quality Measurement (1-5, the lower the
better)
PSTN Public Switched Telephone Network
NAT Network Address Translation
OOB Out-of-band
REQT (SIP) Request Message
RESP (SIP) Response Message
RSC (SIP) Response Status Code, such as 404, 302, 600
RTP Real Time Protocol
RTT Round Trip Time
SAS Streaming Audio Server
SDP Session Description Protocol
SDRAM Synchronous DRAM
sec seconds
SIP Session Initiation Protocol
SLA Shared line appearance
SLIC Subscriber Line Interface Circuit
B
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