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Country Code Country Code Country Code
UnitedStates B5
United
Kingdom
B4
Using caller ID
The modem can be used to display certain information about incoming telephone calls. The
modem can inform you of the date, time, telephone number and name associated with incoming
calls. When the CID option is enabled, information will be displayed between the first and
second incoming “RING.” In order for this feature to work properly, the telephone line
connected to the modem must subscribe to caller ID service offered by the local telephone
company. A sample of the displayed information is shown below:
RING
DATE = 0513
TIME = 1346
NMBR = 408 767 8900
NAME = RADICOM RESEARCH
RING
The CID information can either be presented formatted as shown previously or unformatted.
The +VCID and +VRID commands control the modem CID option.
Command Parameter Description
+VCID? NA Displaycurrent+VCID setting(0-2)
+VCID= 0 Disablecaller IDreporting(default).
+VCID= 1 Enablecaller IDwithformatted presentationtothe DTE.
+VCID+ 2 Enablecaller IDwithunformattedpresentationtotheDTE.
+VRID= 0 DisplaystheformattedcallerID ofthelastreceivedcall.
+VRID+ 1 Displaystheunformattedcaller IDofthelastreceivedcall.
Table E.8: Caller ID Information
Appendices 90