Ascotel IntelliGate 2025/2045/2065
1006 Glossary Part 9
S
T
– Error tone whenever an invalid key is
pressed (incorrect input)
• Continuous ringing
• Discreet ringing
Router A communication processor between data networks that pro-
vides the routing (i.e. determines the path for data transmis-
sion and implements the transmission).
Simple Mail Transfer Protocol (SMTP) Standard protocol for e-mails on the Internet which regulates
the way in which mails are forwarded between the mail
servers.
Single ringing tone → ringing pattern
Small and medium-sized businesses (SMB) Companies with up 250 employees (EU definition).
Source PINX A PINX acts as a source PINX for the duration of a connection
if the connection was set up by one of its subscribers.
Subscriber Number (SN) Subscriber's number
TEI management → Point-to-point connection, → Point-to-multipoint connec-
tion
Telephony Application Programming Inter-
face (TAPI)
Function stack that integrates the phone into the Win32
model and provides a standardized interface for controlling
telecommunications. TAPI is designed to provide software and
hardware suppliers with a uniform, non-equipment-based
programming model.
Telephony Service Provider (TSP) TAPI driver
Telephony Service Provider Interface TAPI interface
Terminal Adapter (TA) V.24 < → (ISDN-)S interface adapter
Terminal selection digit (TSD) Single digit used for addressing a terminal on the
S interface.
The internal numbering plan The PBX's numbering plan
Tone signalling in the handset:
• Dialling tone / Exchange free-to-dial tone
– Continuous tone obtained when pick-
ing up the handset
• Ring-back tone
– Wait until the call is answered
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