Cisco Cisco IOS Software Release 12.2(8)T
Enhanced Billing Support for SIP Gateways
Glossary
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Cisco IOS Release 12.2(8)T and 12.2(11)T
Glossary
AAA—authentication, authorization, and accounting. AAA is a suite of network security services that
provides the primary framework through which you can set up access control on your Cisco router or
access server.
provides the primary framework through which you can set up access control on your Cisco router or
access server.
call-ID—A general header that uniquely identifies a particular invitation or all registrations of a
particular client.
particular client.
call leg— A logical connection between the router and another endpoint.
gateway—A gateway allows SIP or H.323 terminals to communicate with terminals configured to other
protocols by converting protocols. A gateway is the point where a circuit-switched call is encoded and
repackaged into IP packets.
protocols by converting protocols. A gateway is the point where a circuit-switched call is encoded and
repackaged into IP packets.
INVITE—A method that initiates a session. It indicates that a user is invited to participate, provides a
session description, indicates the type of media, and provides insight regarding the capabilities of the
called and calling parties.
session description, indicates the type of media, and provides insight regarding the capabilities of the
called and calling parties.
ITSP—Internet telephony service provider.
ISDN—Integrated Services Digital Network. Communication protocol offered by telephone companies
that permits telephone networks to carry data, voice, and other source traffic.
that permits telephone networks to carry data, voice, and other source traffic.
MSN—Microsoft Network.
proxy—A SIP UAC or UAS that forwards requests and responses on behalf of another SIP UAC or UAS.
RADIUS—Remote Authentication Dial-In User Service. Service used for collecting and providing
AAA information.
AAA information.
SIP—Session Initiation Protocol. An application-layer protocol originally developed by the Multiparty
Multimedia Session Control (MMUSIC) working group of the Internet Engineering Task Force (IETF).
Their goal was to equip platforms to signal the setup of voice and multimedia calls over IP networks.
SIP features are compliant with IETF RFC 2543, published in March 1999.
Multimedia Session Control (MMUSIC) working group of the Internet Engineering Task Force (IETF).
Their goal was to equip platforms to signal the setup of voice and multimedia calls over IP networks.
SIP features are compliant with IETF RFC 2543, published in March 1999.
TCL IVR— Tool Command Language (TCL) Interactive Voice Response (IVR).
UA—user agent.
UAC—user agent client. A client application that initiates a SIP request.
UAS—user agent server (or user agent). A server application that contacts the user when a SIP request
is received, then returns a response on behalf of the user. The response accepts, rejects, or redirects the
request.
is received, then returns a response on behalf of the user. The response accepts, rejects, or redirects the
request.
VoIP—Voice over IP. The ability to carry normal telephone-style voice over an IP-based Internet with
POTS-like functionality, reliability, and voice quality. VoIP is a blanket term that generally refers to the
Cisco standards-based approach (for example, H.323) to IP voice traffic.
POTS-like functionality, reliability, and voice quality. VoIP is a blanket term that generally refers to the
Cisco standards-based approach (for example, H.323) to IP voice traffic.