
1.21 E1 Line Service Features
[Explanation]
Number in | Feature | Description | |
the table | |||
|
|
(1)TIE Line Service Refer to the TIE Line Service feature. ( 1.28.1 TIE Line Service)
(2)Direct Inward Refer to the DID feature. ( 1.1.1.3 Direct Inward Dialling
Dialling (DID) (DID)/Direct Dialling In (DDI))
(3)Direct In Line Refer to the DIL feature. ( 1.1.1.2 Direct In Line (DIL))
(DIL)
(4) | Automatic | Outgoing ANI: |
| Number | Sends the caller’s number to the E1 line. The sending |
| Identification | method is the same as ISDN CLIP service. ( 1.20.1.2 |
| (ANI) | Calling/Connected Line Identification Presentation (CLIP/ |
|
| COLP)) |
|
| Incoming ANI: |
|
| Receives the caller’s number from the E1 line. |
|
| When the ANI number is received, it can be treated the |
|
| same as a Caller ID number. ( 1.17.1 Caller ID) |
(5)Call Charge The call charge meter pulses can be received during a
Information conversation. ( 1.25.2 Charge Meter)
Conditions
•If an E1 line is used as a trunk, the channel type depends on the contract with the telephone company.
•If