ASCOM Ascotel 2025 System Manual page 1128

H
H.323
HOLD
Hotkey
Hotline (HL)
I
Incoming call
Incoming Call Logging (ICL)
Individual charge counting (ICC)
Integrated Services Digital Network (ISDN)
Internal
International prefix
Internal call
Internal numbering plan
Internal subscriber
Internet Protocol (IP)
Internet Service Provider (ISP)
Initialization
Initialization values
IP Gateway
ISDN terminals
HBT_20321104_09/B0_en
ascom
IP telephony protocol. The H.323 definitions contain an entire
protocol stack with different interfaces for voice, video and
data transmission.
Holds a call
Terminal key used for storing freely selectable numbers for
abbreviated dialling.
Sets up a connection to a predefined destination using num-
bers configured in the PBX. On this terminal/handset, the pre-
defined destination is dialled automatically whenever the
receiver is picked up or the seize key is pressed.
Call from the network to a PBX subscriber
Incoming call logging
Allocates the call charges to the cost centre
Integrated services digital network for the digital transmission
of services such as voice, data, fax, etc.
Used in general for the subscriber side of the PBX
Digit sequence used for dialling abroad, e.g. 0044 for the UK
Both the source and destination are internal
The PBX's numbering plan
Subscriber on a PBX
The Internet Protocol (Layer 3) is designed to transport data
packets from a transmitter to a receiver via several networks.
The transmission is packed-oriented, connectionless and not
guaranteed.
A company that provider access to the Internet and Internet-
specific services.
After a first start the system is reset to its factory settings. The
configuration and customer data is deleted.
Configuration parameter values after an ® initialization
Converts a phone number into an IP address for forwarding via
the LAN
Terminals that comply with the standard of the European Tel-
ecommunications Standards Institute.
Ascotel 2025/2045/2065
Glossary 9.11