beautypg.com

Glossary, Re detailed explanations, Detailed explanations – Siemens Gigaset DE380 IP R User Manual

Page 74

background image

73

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 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.
See also: Firewall, NAT, Outbound proxy, STUN.

Authentication

Restriction of access to a network/service by use of an ID and password to

log in.

Automatic redial

Several attempts to call are made automatically when the line is busy.

The number is adjustable.

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

See DSL.

Buddy

Subscriber with whom you exchange brief messages on the Internet in real

time (chatting).
See also: Instant messaging.

C

Call forwarding

= CF. Automatic forwarding (CF) of a call to a different telephone number.

There are three kinds of call forwarding:
– CFU, Call Forwarding Unconditional
– CFB, Call Forwarding Busy
– CFNR, Call Forwarding No Reply

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/deacti-

vate the feature.