18.10. ICZO - Incoming call data recording by zone only 
Feature:
Call Data Recording Enhancements (CDRe)
Call data recording
Function:
The COT parameter ICZO only activates incoming call data recording on the line.
Charging takes place in accordance with set zone and time tariffs.
ICZL has no function at present because no carrier call data information is sent for
incoming calls.
AMO Interrelationships:
FEASU: TYPE=free, LM=<record cdric charges for incoming network and trunk
traffic>
GEFE (administer parameters for call data recording):
ATTNDINC = Chargeable to switch/secretary in the case of incoming calls ATTNDOUT =
Chargeable to switch secretary in the case of outgoing calls
Device types:
Analog and digital trunks
Protocol variants:
All protocol variants