Nokia 8850 Manual Suplementar

AT Command Set for Nokia 8850

+CSQ Signal Quality

Returns signal strength as calculated by ME. Bit error rate reporting not supported by
NMP products. (GSM 07.07 section 8.5.)

Syntax:

AT+CSQ

Response is +CSQ: <rssi>, 99

AT+CSQ=?

Show supported values.
Response is +CSQ: (list of supported
<rssi>'s), (99)

Parameters:

<rssi>:

-113 dBm or less

-111 dBm

2...30

-109... -53 dBm

-51 dBm or greater

not known or not detectable

+CSSN Supplementary Service Notifications

Controls presentation of +CSSI intermediate result code and +CSSU unsolicited
result code. (GSM 07.07 section 7.16.)

Syntax:

AT+CSSN=<n>,<m>

The default option is 0, 0.

AT+CSSN?

Query current setting.
Response is +CSSN: <n>,<m>

AT+CSSN=?

Show supported values.
Response is +CSSN: (list of supported
<n>'s), (list of supported <m>'s)

Parameters:

<n>:

parameter sets/shows the +CSSI result
code presentation status in the TA:

disable

enable

<m>:

parameter sets/shows the +CSSU result
code presentation status in the TA:

disable

enable

<code1>:

it is manufacturer specific, which of these
codes are supported:

unconditional call forwarding is active

some of the conditional call forwardings
are active

call has been forwarded

call is waiting

this is a CUG call (also <index> present)

outgoing calls are barred

incoming calls are barred

CLIR suppression rejected

call has been deflected