AT Commands Reference Manual - wireless netcontrol GmbH

Chapter 3: AT Commands Reference
remote parties is 5. In this command, the term CALL refers to a single or MTPY call. A
single Active call is considered a MTPY call with one call index numbered as 1.
Execute Command
The Execute command works like at+chld=2.
Read Command
The Read command is not supported.
Test Command
The Test command returns possible options for the Set command.
Command
Type
Syntax Response/Action Remarks
Set AT+CHLD= If the call is terminated:
OK (approve request was submitted)
NO CARRIER
If the call state is changed (link, split,
from active to hold, and so on):
OK (approve request was done)
If the call is terminated and another call
is answered:
OK (approve request was submitted)
NO CARRIER
OK (call answered and is now
connected)
Execute AT+CHLD OK
Read AT+CHLD? CME ERROR: operation not supported
Test AT+CHLD=? +CHLD: (list of supported s)
OK
April 15, 2010 H24 - AT Commands Reference Manual 3-25