Glossary - Gigaset C530 IP Owner's 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.
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 busy.
B
Block dialling
Enter the complete phone number, and correct it if necessary. Then pick up the earpiece or
press the Talk/handsfree key to dial the phone number.
Broadband Internet access
See DSL.
C
Call Forwarding
CF
Automatic forwarding 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 swapping
Call swapping allows you to switch between two callers or between a conference and an indi-
vidual 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 Forwarding.
Client
Application that requests a service from a server.
Glossary
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