Notes for the System Administrator
VoIP Telephones
95
Notes for the System Administrator
The “Mounting and Commissioning” (Forum 523, Forum 525/526,
Forum 550/560, Forum 5004/5008/5012) resp. “Commissioning and
Maintenance” (Forum 5500) guide contains detailed information on VoIP and
how to commission and configure IP system telephones.
Please note:
For feeds to IP system telephones, Power-over-Ethernet
function in accordance with
IEEE 802.3af - class 3
standard is
required!
Note:
Use a shielded CAT-5 Ethernet cable (STP cable, Shielded
Twisted Pair cable) to connect an IP system telephone to a
Local Area Network (LAN).