Glossary - Siemens Gigaset A580 IP User Manual

Glossary

A
ADSL
Asymmetric Digital Subscriber Line
Special form of DSL.
ALG
Application Layer Gateway
NAT control mechanism of a router.
Many routers with integrated NAT use ALG. ALG lets the data packets in a VoIP
connection pass and adds the public IP address of the secure private network.
The router's ALG should be deactivated if the VoIP provider offers a STUN server
or an outbound proxy.
£
Firewall, NAT,
Authentication
Restriction of access to a network/service by use of an ID and password to log
in.
Automatic ringback
£
Ringback when the call is not
B
Block dialling
Enter the complete phone number, and correct it if necessary. Then pick up the
handset or press the handsfree key to dial the phone number.
Broadband Internet access
£
DSL.
Subscriber with whom you exchange brief messages on the Internet in real
Buddy
time (chatting).
£
Instant
Outbound proxy,
messaging.
STUN
answered.
Glossary
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