User's Manual

DRAFT TrimTrac 1.5 Technical Manual v0.3ab 92

AT+CTKP?

+CTKP: <Unit ID>,<Destination Address >,<SIM PIN>,<Security Password>

<Unit ID> Always 8 alphanumeric characters, UPPER CASE ONLY

<SMS Destination

Address>

24 characters including optional international dialing “+” sign

and country code for SMS messages..

<SIM PIN> If used, must be between 4 and 8 digits.

<Security Password> “********”

Table 34, AT+CTKP? Query

Note that when the SIM PIN field and the Security Password fields are queried

using either AT commands or TrimTrac Application Protocol messages, they are

shown masked out with the ‘*’ character to prevent theft of the information.