Cisco Systems SPA9000 manual Itu

Appendix A Acronyms

		GW	Gateway
		ITU	International Telecommunication Union
		HTML	Hypertext Markup Language
		HTTP	Hypertext Transfer Protocol
		HTTPS	HTTP over SSL
		ICMP	Internet Control Message Protocol
		IGMP	Internet Group Management Protocol
		ILEC	Incumbent Local Exchange Carrier
		IP	Internet Protocol
		ISP	Internet Service Provider
		ITSP	IP Telephony Service Provider
		IVR	Interactive Voice Response
		LAN	Local Area Network
		LBR	Low Bit Rate
		LBRC	Low Bit Rate Codec
		MC	Mini-Certificate
		MGCP	Media Gateway Control Protocol
		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
	Linksys SPA9000 Administrator Guide
A-2			Document Version 3.01