Nokia 6090 Command Manual page 25

Nokia 6090 AT Command Set 23
parties
<alpha>: string type alphanumeric representation of <number> corresponding to the
entry found in phonebook; used character set should be the one selected with
command Select TE Character Set +CSCS
Examples:
AT+CLCC
List all current call status
Response:
+CLCC: 2,0,1,9,0
+CLCC: 4,0,,9,0,,,"FRANK D1"
OK
Explanation:
+CLCC: 2,0,1,9,0
2 -> call id
0 -> mobile originated call
1 -> call is on hold
9 -> mode is unknown
0 -> call is not one of multparty call
+CLCC: 4,0,,9,0,,,"FRANK D1"
4 -> call id
0 -> mobile originated call
-> status byte not known
9 -> mode is unknown
0 -> call is not one of multparty call
"FRANK D1" -> corresponding phonebook entry