Operation Manual

122
Glossary
Gigaset N510 IP PRO / engbt / A31008-M2217-R101-4-7619 / Glossary.fm / 26.04.2012
Version 5, 23.09.2008
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 connec-
tion 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 using an ID and password to log in.
Automatic ringback
See Ringback when the number is busy.
B
Block dialling
Enter the complete phone number, and correct it if necessary. Then pick up the ear-
piece or press the talk/speaker key to dial the phone number.
Broadband Internet access
See DSL.
C
Call divert
CD
Automatic diversion (CD) of a call to a different telephone number. There are three
kinds of call divert:
– CDU, Call Divert Unconditional
– CDB, Call Divert Busy
– CDNR, Call Divert No Reply
Call swapping
Call swapping allows you to switch between two callers or between a conference and
an individual caller without allowing the waiting caller to listen to the call.
Call waiting
= CW.
Network 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.
CF
Call Forwarding
See Call divert.