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3GPP TS 27.007 version 11.8.0 Release 11<br />

295<br />

ETSI TS 127 007 V11.8.0 (2013-10)<br />

Annex G (informative):<br />

Voice call example<br />

Figure G.1 illustrates the possible transitions in both MT and MO TS 11 calls. Responses and result codes generated by<br />

TA are in bold face.<br />

MO without COLP<br />

AT+COLP=0<br />

OK<br />

ATD12345;<br />

general failure<br />

ERROR<br />

MT<br />

AT+CLIP=1; +CRC=1<br />

OK<br />

+CRING: VOICE<br />

+CLIP: +35812345,145<br />

ATA<br />

connection failure<br />

NO CARRIER<br />

AT+CEER<br />

+CEER: failure cause<br />

OK<br />

success<br />

OK<br />

connection failure<br />

NO CARRIER<br />

AT+CEER<br />

+CEER: failure cause<br />

OK<br />

(no indication<br />

on successful<br />

call setup)<br />

VOICE call active<br />

call setup started<br />

OK<br />

(remote ring or<br />

other network<br />

generated tones)<br />

MO with COLP<br />

AT+COLP=1<br />

OK<br />

ATD12345;<br />

success<br />

+COLP: +35812345,145<br />

OK<br />

connection failure<br />

NO CARRIER<br />

AT+CEER<br />

+CEER: failure cause<br />

OK<br />

remote busy<br />

BUSY<br />

general failure<br />

ERROR<br />

remote<br />

hangup<br />

AT+CHUP<br />

(or ATH<br />

or drop DTR)<br />

NO CARRIER<br />

OK<br />

Figure G.1: TS 11 calls<br />

ETSI

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