Idle Channel Code

Parameter group

Trunk Interface

Access level

Field

Possible values

E1
UK/Italy
T1

Defaults

T1

Explanation

Specifies the 8-bit PCM word that is transmitted to indicate silence in a voice channel. The word for T1 is 1111 1111 (FFh). The word for E1 is 0101 0101 (55h). The word for UK/italy is 0101 0100 (54h). This word is normally specified by the country telecommunications authority.