Siemens TC37 Module - AT+CSSN Supplementary Service Notifications

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AT Command Set

TC3X_ATC_01_V04.00 Page 115 of 204 29.05.2002

4.43 AT+CSSN Supplementary service notifications

Test command

AT+CSSN=?

Response

+CSSN: (list of supported <n>s), (list of supported <m>s)OK

Parameter

<n> 0 Suppresses the +CSSI messages

1 Activates the +CSSI messages

<m> 0 Suppresses the +CSSU messages

1 Activates the +CSSU messages

Read command

AT+CSSN?

Response

+CSSN: <n>,<m>OK

Parameter

<n> See Test command

<m> See Test command

Write command

AT+CSSN=<n>[,<m>]

Response

Parameter

<n> See read command

<m> See read command

Unexpected message

+CSSI: <code1> When <n>=1 and a supplementary service notification is

received after a mobile originated call setup, intermediate

result code +CSSI: <code1> is sent to TE before any

other MO call setup result codes

+CSSU: <code2> When <m>=1 and a supplementary service notification is

received during a mobile terminated call setup or during

a call, unsolicited result code +CSSU: code2>is sent to

TE.

Parameter

<code1> Intermediate result code

3 Waiting call is pending

<code2> Unsolicited result code

0 The incoming call is a forwarded call.

5 Held call was terminated

Reference

GSM 07.07

Note