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VoIP System Telephones
VoIP System Telephones
The following telephones and software packages are available for
VoIP system telephony:
Forum IPhone 525: This is a VoIP-enabled edition of the
Forum Phone 525 system telephone. This system telephone
can be extended with up to three key extensions (Forum 500
Keypad Paper FP 525 / 535).
Forum IPhone 535: This is a VoIP-enabled edition of the
Forum IPhone 535 system telephone. This system telephone
can be extended with up to three key extensions (Forum 500
Keypad Paper FP 525 / 535 or Forum 500 Keypad Display
FP 535).
Forum IPhone PC: This VoIP software offers the functionality of
an system telephone using Windows executable software (see
Forum IPhone PC starting on page 137). This software also
provides local answering machine functionality and can be
integrated into CTI applications.
The older VoIP system telephones Forum IPhone 520 and
Forum IPhone 530 can still be used. With the
Forum IPhone 520 and Forum IPhone 530 telephones no
postdialling via DTMF is supported for ISDN or SIP lines.
Device Properties
The VoIP-enabled versions of the system telephones
Forum IPhone 525 and Forum IPhone 535 offer the same features
as the corresponding system telephones. Using VoIP system tele-
phones is therefore not much different from using standard sys-
tem telephones. The following differences exist:
Two RJ45 connector ports are available for ethernet
connection. The ports are connected to one another via the
telephone's internal switch. The switch supports 10 Mbit/s or
100 Mbit/s full-duplex with priority given to VoIP data
transmission.
LAN Port: Allows the telephone to connected to the LAN. Use
a non cross-over RJ45 patch cable to connect to a Hub or
Switch.
Voice over IP (VoIP)
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