200
Appendix C: Span Telco Settings Reference
Span Telco Settings, continued
Signal Type
Channel
Map
All except AAA
and SS7
signaling links
Set to the line interface
signaling associated with the
monitored circuit.
Improper setting prevents the
Span from evaluating calls
against Policies or terminating
calls.
Tone Type
Channel
Map
Analog,
T1 CAS
Set to the incoming digit tone
type associated with each
channel during ANI, DNIS, or
DID transmission.
Affects Policy enforcement
and logging.
Trunk
Group
Channel
Map
All except AAA
and SS7
signaling links
Optional setting for user
convenience. Set to match
defined trunk groups at the
Appliance location.
Optional setting for user
convenience.
Companding Channel
Map
All digital
Spans except
legacy
Appliances
Set to match the companding
in use on the Span. (Mu-Law
or A-Law)
Improper setting prevents the
Span from receiving digits;
affects Policy enforcement and
call monitoring.