Samsung iDCS 500 General Description Manual page 17

TEPRI DIGITAL TRUNK
When programmed as a T1 this card provides up to 24 trunk circuits in any combination of
the following:
Loop start lines
!
DID (Direct Inward Dialing)
!
Ground start lines
!
E & M tie lines or two way DID calling
!
When the card is programmed as a PRI it will provide 23 bearer channels and 1 data
channel (23B+D). This card can be installed in any of the first three slots of any cabinet.
4 BRI (BASIC RATE INTERFACE–4BRI)
The 4 BRI card supports 4 trunk or station level ISDN Basic Rate Interface (i.e., 2B plus D)
circuits. The 4BRI can be inserted in any universal slot.
ITM3 (IP TELEPHONY MODULE)
The ITM3 card supports 8 VOIP channels with provision for a daughter board hosting a
further 8 channels for a maximum of 16 channels per ITM3 card. These channels are
H.323 compliant and are used in conjunction with either the G.723 or G.729 voice com-
pression protocols. The ITM3 card may be installed in any universal card slot up to a
maximum of two cards per cabinet.
E911 CARD
The E911 card supports up to 4 CAMA (Centralized Automatic Message Accounting) type
loop start trunks to provide CESID (Caller Emergency Services ID). This trunks are con-
nected directly to the PSAP (Public Services Answering Point) to pass on calling station
information to enable the emergency services to correctly locate the source of the call
such as a building floor.
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