1.1.5 Before Operating the Telephones
Connection Example
This diagram shows you a connection example.
Telephone Company
PC
Printer
External Sensor
Doorphone & Door Opener
BGM/Music On Hold (MOH)
Pager/
Amplifier
Speaker
*1
ITSP: Internet Telephony Service Provider
*2
DCE: Data Circuit Terminating Equipment
*3
CA: Communication Assistant
32
User Manual
Pure IP-PBX
Remote PC
IP Softphone,
3
*
CA
Client PC
S-PS
SIP-CS
CTI Server
PC
Built-in
Router
Private
ITSP
IP Network
Network
WAN
Router
DCE
(e.g., ADSL
Modem)
IP-PT
SIP Phone
IP-CS
PS
SLT
1
*
Fax Machine
*
2
CS
PS
APT DSS Console
DPT DSS Console
Voice Processing
System