Nokia 9356900 issue 1 사용자 설명서

 

81

List of AT Commands for Nokia 22

Copyright © Nokia Mobile Phones 2001. All rights reserved.

OK, ERROR, BUSY, CONNECT, CONNECT <rate>, NO ANSWER, NO CARRIER: See the ITU-T
Recommendation V.25ter, section 5.7.1 and the X, D, A and O commands in this document. Note
that OK can be a result of a successful remotely initiated in-call modification from data to speech
mode, and CONNECT[<rate>] can be a result of a successful remotely initiated in-call modification
from speech to data mode. NO CARRIER can also indicate a remote hang-up of a speech call.

RING: See ETSI GSM 07.07 /2/, section 7.12. See the ITU-T Recommendation V.25ter, section
6.3.4 and the +CRC command in this document. The MT voice calls or alternating voice/data calls
starting with voice shall not result to this indication. When the RING result code is enabled
(+CRC=0), alternating MT voice/fax calls starting with voice shall automatically be switched into the
fax mode by the Nokia 22 (if +CMOD=0). Note that the RING result code is not given for waiting
calls.

+DR: <type>

given when +DR=1; informs about the presence of V.42bis data compression in the established
connection

The +DR intermediate result code, if enabled, is issued after the Error Control Report (+ER) and
before the final result code (e.g. CONNECT).

<type>:

NONE

Data compression is not in use

V42B

V.42 bis is in use in both directions

V42B RD

V.42 bis is in use in receive direction only

V42B TD

V.42 bis is in use in transmit direction only

+ILRR: <rate>

given when +ILRR=1; informs about the local port rate after connection
establishment

The +ILRR intermediate result code is given after the (possible) +DR result code.