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FXS Voice Card
Channel Associated Signaling (CAS) Conversions
Channel Associated Signaling (CAS)
Conversions
Cross-connects are done at a DS0 level. The following rules need to be kept in mind
while performing cross-connects for an FXS voice card. The following chart does not
apply to the FXS INTL card, which only carries R2 signaling.
DS0
VoIP Port
LS
T1 DS0
LS
GS
EMDW
EMI
EMICPD
EMW
TR8LSGS
EMDW = E&M Delayed Wink start
EMI = E&M Immediate start
EMICPD = E&M Immediate Start with Calling Party Disconnect
EMW = E&M Wink start
GS = Ground Start
GSW = Ground Start Wink
GSRB = Ground Start with Reverse Battery
LS = Loop Start
LSRB = Loop Start with Reverse Battery
TR8LSGS = TR-08 Loop Start/Ground Start
VoIP = Voice over IP (CMG only)
8-10
FXS Analog
LS/LSRB
GS/GSRB
Y
Y
Y
Y
Y
Y
Y
Y
GSW
N
N
Y
N
Y
N
Y
N
N
N
Y
N
Y
N
Y
N
Compact T1 - Release 6.1
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