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HSDPA Standard At Commands Page 53 of 60 Version 1.2
Other values are reserved.
<Maximum SDU size>: a numeric parameter that (1,2,3,…) indicates the
maximum allowed SDU size in octets (refer TS 24.008 [8] subclause 10.5.6.5).
<SDU error ratio>: a string parameter that indicates the target value for the
fraction of SDUs lost or detected as erroneous. SDU error ratio is defined only for
conforming traffic. The value is specified as 'mEe'. As an example a target SDU
error ratio of 5•10
-3
would be specified as '5E3' (e.g. +CGEQNEG:…,”5E3”,…)
(refer TS 24.008 [8] subclause 10.5.6.5).
<Residual bit error ratio>: a string parameter that indicates the target
value for the undetected bit error ratio in the delivered SDUs. If no error detection is
requested, Residual bit error ratio indicates the bit error ratio in the delivered SDUs.
The value is specified as 'mEe'. As an example a target residual bit error ratio of
5•10
-3
would be specified as '5E3' (e.g. +CGEQNEG:…,”5E3”,…) (refer TS
24.008 [8] subclause 10.5.6.5).
<Delivery of erroneous SDUs>: a numeric parameter that indicates whether
SDUs detected as erroneous shall be delivered or not.
0 - no
1 - yes
2 - no detect
Other values are reserved.
<Transfer delay>: a numeric parameter (0,1,2,…) that indicates the targeted
time between request to transfer an SDU at one SAP to its delivery at the other
SAP, in milliseconds (refer TS 24.008 [8] subclause 10.5.6.5).
<Traffic handling priority>: a numeric parameter (1,2,3,…) that specifies
the relative importance for handling of all SDUs belonging to the UMTS bearer
compared to the SDUs of other bearers (refer TS 24.008 [8] subclause 10.5.6.5).
If a value is omitted for a particular class then the value is considered to
be unspecified.
1.32.9. PS attach or detach +CGATT
The execution command is used to attach the MT to, or detach the MT from, the Packet
Domain service. After the command has completed, the MT remains in V.25ter command
state. If the MT is already in the requested state, the command is ignored and the OK
response is returned. If the requested state cannot be achieved, an ERROR or +CME ERROR
response is returned. Extended error responses are enabled by the +CMEE command.
Any active PDP contexts will be automatically deactivated when the attachment state
changes to detached.
The read command returns the current Packet Domain service state.
The test command is used for requesting information on the supported Packet Domain
service states.
NOTE: This command has the characteristics of both the V.25ter action and parameter
commands. Hence it has the read form in addition to the execution/set and test forms
.