16. GlossaryΒΆ

3GPP 3rd Generation Partnership Project
AoR Address of Record
B2BUA Back to Back User Agent
BLF Busy Lamp Field
CA Call Agent
CDR Call Data Record / Call Detail Record
CPU Central Processing Unit
DNS Domain Name System
DoS Denial of Service
ENUM Electronic Number Mapping System
FQDN Fully Qualified Domain Name
HA High availability
IMI Internal Management Interface
IMS IP Multimedia Subsystem
IP Internet Protocol
MI Media Interface
NAT Network Address Translator
NIC Network Interface Card
NNI Network-Network Interface
PBX Private Exchange
PSTN Public Switched Telecommunication Network
REST Representational state transfer
RLM Realm
RTP Real-Time Transport Protocol
RTCP Real-Time Transport Control Protocol
SAP Session Announcement Protocol
SBC Session Border Controller
SCTP Stream Control Transport Protocol
SDP Session Description Protocol
SI Signalling interface
SIP Session Initiation Protocol
SNMP Simple Network Management Protocol
SST SIP Session Timers
SRV Service Record
STUN Session Traversal Utilities for NAT
TISPAN Telecommunications and Internet converged Services and Protocols for Advanced Networking
TCP Transport Control Protocol
TLS Transport Level Security
UAC User Agent Client
UAS User Agent Server
UDP User Datagram Protocol
UNI User-Network Interface
URI Universal Resource Indicator
VIP Virtual IP Address
VoIP Voice over IP
XMI External Management Interface

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15. Reference of Default Port Numbers

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