Rainbow Electronics MG260 - Manual (Page 99)

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OK
Note: if the COLP function is active, for an
outgoing call, the COLP indication will be
come before OK come back.
Defined values
: parameter sets/shows the result code presentation status in the follows
0: Disable
1: Enable
: parameter shows the subscriber COLP service status in the network
0: COLP not provisioned
1: COLP provisioned
2: Unknown (no network)
10.8 Call related supplementary services +CHLD
Description:
This command is used to manage call hold and multiparty conversation (conference call). Calls can
be put on hold, recovered, released or added to a conversation.
Syntax:
Command Possible responses
AT+CHLD=?
+CHLD: (0-4,11-17,21-27)
OK
AT+CHLD=1
Note: When a call is active, an other call is
coming
Note: Release active call (if exist) and accepts
the other (held or waiting) call
ATD1860;
AT+CHLD=2
Note: hold current active call
ATD1861;
AT+CHLD=2
Note: switch active and hold call OK
OK
OK
OK
Defined values
0: Release all held calls or set User Determined User Busy (UDUB) for a waiting call.
1: Release all active calls (if any exist) and accepts the other (held or waiting) call.
1X: Release a specific call X (active, held or waiting)