17.1.1 T1 Line Service
17.1 T
17.1.1 T1 Line Service
Description
A T1 line carries twenty-four 64 kbps-voice channels at 1.5 Mbps, and can be used as a public or private line.
Voice is digitized by Pulse Code Modulation (PCM).
1.
Channel Type
[LCOT/GCOT/DID/TIE/OPX]
The T1 card supports five different channel types to provide connection at minimum expense. One of the
five channel types can be assigned to any one of the T1 card's 24 channels individually, according to usage
rates and customer needs.
2.
T1 Features
The following table shows the features available for each channel type:
Feature
Channel Type
LCOT
GCOT
DID
TIE (E & M)
OPX
Available
[Explanation]
(1) TIE
(2) DID
(3) DIL
314
Feature Manual
(1) TIE
(2) DID
Feature
TIE Line Service
Direct Inward Dialing
(DID)
Direct In Line (DIL)
(3) DIL
(4) OPX
(5) ANI
Description
Refer to the TIE Line Service feature. (®
13.1.15 PRIVATE NETWORK FEATURES)
Refer to the DID feature. (® 4.1.6 DID (Direct Inward
Dialing))
Refer to the DIL feature. (® 4.1.7 DIL (Direct In
Line))
Document Version 2009-12