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Extended AT Commands Manual Page 30 of 70 2009-06-25
7. DATA CALL SET-UP
The following tables describe MO data call procedures.
Call released or failed (Uses DTR pin)
Table 7.51 Notification command
Notify TE2
Å
MT2 NO CARRIER
7.1. Data Calls
SIM Card with Data Number enabled (Contact Telstra and ask to activate
Code 2620 on the SIM account)
7.1.1.1. MO data call
Table 7.52
Command TE2
Æ
MT2
Command TE2
Æ
MT2 ATD<phone_number>
Notify TE2
Å
MT2
CONNECT (Data call connected)
Connect <Speed> if connect_baud is set.
NO CARRIER (Data call failure)
Value
phone_number:
for Packet Switched Data: *99# (Australia – requires authentication)
This requires setting up an APN (Please refer to MM-6280IND-HSDPA AT
Commands manual)
for Circuit Switched Data: You will need a data number ( Code 2620 activated
on the SIM account)
7.1.1.2. MT Data Call
Notify TE2
Å
MT2
AT: RING
Buzzer: Audible (excepting where $$RCV_MODE is 1)
CRT LED: ON for duration of ring and when MT data
call in progress. CRT LED should be off otherwise
Command TE2
Æ
MT2 ATA (answer data call)
Notify TE2
Å
MT2
CONNECT (Data call connected)
CONNECT <SPEED> if connect_baud is enabled.
NO CARRIER (Data call failure)
Call State
Command TE2
Æ
MT2
+++ (escape command to go to off-line command state)
ATH (release call)
Notify TE2
Å
MT2 NO CARRIER