NetworkInterface.T1E1[x].FrameType

Defines the T1 or E1 trunk framing format for the current board(s) or current trunk(s).

NetworkInterface.T1E1[x].FrameType = frame_format

x = 0..15 (0-based trunk number or range of trunk numbers)

Read/Write

String

CEPT

D4 | ESF | CEPT

NetworkInterface.T1E1[0..15].FrameType = D4

The following formats are available for T1 trunks:

Format	Description
D4	Standard superframe formatting
ESF	Extended superframe formatting

The following format is available for E1 trunks:

Format	Description
CEPT	Framing format conforming to ITU recommendation G.703 for PCM 30 (30 telephone channels with channel associated signaling).

For more information about T1 and E1 framing, refer to Framing.