Glossary - Siemens Gigaset A580IP Manual

Glossary

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 con-
nection 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 number is
B
Block dialing
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.
Buddy Subscriber with whom you exchange brief messages on the Internet in real time
(chatting).
£
Instant
C
Call waiting
= CW
VoIP provider feature. A beep during a call indicates that another caller is waiting.
You can accept or reject the second call. You can activate/deactivate the feature.
172
Outbound proxy,
messaging.
STUN
busy.