Cinterion
®
EHS6 AT Command Set
11.17 ATD*99#
EHS6_ATC_V03.001 15/12/3
Confidential / Released
Page 316 of 513
11.17 ATD*99# Request Packet Domain Service
ATD*99# causes the MT to perform whatever actions are necessary to establish a communication between the
TE and the external PDN.
The V.250 'D' (Dial) command causes the MT to enter the V.250 online data state and, with the TE, to start the
specified layer 2 protocol. No further commands may follow on the AT command line. Packet Domain attachment
and PDP context activation procedures may take place prior to or during the PDP startup if they have not already
been performed using the AT+CGATT and AT+CGACT commands. If the context to be used is already activated,
it will be deactivated first. This ensures that the right context parameters will be used (e.g. QoS changes since
the last context activation or the called address specified by ATD*99#). To confirm acceptance of the command
before entering the V.250 online data state command will respond with CONNECT.
When the layer 2 protocol has terminated, either as a result of an orderly shutdown of the PDP or an error, the
MT enters V.250 command state and returns NO CARRIER (for details refer to Section 11.5.1, Automatic deac-
tivation of PDP context during dial-up PPP).
ATD*99# is blocked when the Fixed Dialing lock is enabled and the number "*99#" is not present in the "FD"
phonebook (see AT+CLCK SIM Fixed Dialing lock). In this case "+CME ERROR: call barred" is returned.
Syntax
Parameter Description
IP V4 address in the form w.x.y.z, which identifies the called party; if it is provided, the MT will automatically set
up a virtual call to the specified address after the context has been activated. This parameter is currently not
used and needs not to be specified.
Layer 2 protocol to be used between the TE and MT.
[“PPP“] Layer 2 protocol PPP
“1“ Layer 2 protocol PPP
Parameter specifies a particular PDP context definition (see AT+CGDCONT command). If no context is specified,
an internal context with default properties is used (see AT+CGDCONT, AT+CGQREQ and AT+CGQMIN).
Notes
• If EHS6 is in dedicated mode, command returns "+CME ERROR: phone busy".
• ATD is used as a standard V.250 AT command, too.
Exec Command
ATD*99[* [<called_address>][* [<L2P>][* [<cid>]]]]#
Response(s)
CONNECT
NO CARRIER
ERROR
+CME ERROR: <err>
PIN Last Reference(s)
+ - + 3GPP TS 27.007 [45]
<called_address>
(str)
<L2P>
(str)
<cid>
(num)
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