Cring Extended Format Incoming Call Indication - Nokia PremiCell Manual

313 SIM failure
314 SIM busy
315 SIM wrong
320 memory failure
321 invalid memory index
322 memory full
330 SMSC address unknown
331 no network service
332 network timeout
500 unknown error
...511 other values in range 256...511 are reserved
512... manufacturer specific

4.3 +CRING Extended Format Incoming Call Indication

The response +CRING:<type> indicates an incoming call if the ex-
tended format incoming call indication is selected by the command
AT+CRC=1.
<type> values:
REL ASYNC
ASYNC
FAX
VOICE
VOICE/XXX
ASYNC or
ALT VOICE/XXX
ALT XXX/VOICE
ALT VOICE/FAX
ALT VOICE/FAX
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asynchronous non-transparent data call
synchronous transparent data call
facsimile call (TS62)
normal voice (TS11)
voice followed by data (BS 81) (XXX is REL
ASYNC)
alternating voice/data, voice first (BS 61)
alternating data/voice, data first (BS 61)
alternating voice/fax, voice first (TS 61)
alternating fax/voice, voice first (TS 61)
61