Table 6. Gprs Parameters, Settings, Messages And Commands - TrimTrac ProE Locator Technical Manual

If UDP is selected as the transport protocol, then it is strongly recommended that the
GPRS Session Protocol be set "1=TrimTrac Session Protocol". The TrimTrac Session
Protocol is more fully described in the separate document "TrimTrac Session Protocol
ICD". The TrimTrac Session Protocol when used over UDP provides the most important
benefits of TCP without the added overhead of TCP. Those applications which are
required to scale to several thousands of users per server would be well advised to
consider using the TrimTrac Session and UDP Transport Protocols together.
Parameter Settings
GPRS 0=UDP (TrimTrac Session Protocol
Transport mandatory); 1=TCP
Protocol
GPRS 0=None; 1=TrimTrac Session Protocol
Session (See Separate ICD Document, v1.0)
Protocol
TrimTrac In Seconds (0=Never; 1 –43200)
Session
Keep-alive
Timeout, T25
GPRS In Seconds (0=Never; 1–43200)
Session
Timeout, T26
GPRS GPRS destination address in the following
Destination format: 111.222.333.444:12345. This
Address represents an IP Address and Port Number
pair, maximum number string up to 21
characters
GPRS APN Access Point Name (APN) Web address
up to 40 case sensitive alphanumeric
characters as assigned by GPRS network
operator. Example: "apn.trimble.com".
GPRS Up to 40 case sensitive alphanumeric
Username characters
GPRS Up to 20 case sensitive alphanumeric
Password characters

Table 6. GPRS Parameters, Settings, Messages and Commands

Msg. Header
(See Page)
>STKF (155)
>QTKF (161)
>RTKF (176)
>STKJ (156)
>QTKJ (161)
>RTKJ (177)
TrimTrac ProE Locator Technical Manual v2.0e 15
Commands
( See Page)
AT+CTKF
(119)
AT+CTKJ
(121)