Specifications

3GPP
3GPP TS 27.007 V6.3.0 (2003-
06)
16
2
Release 6
Annex G (informative):
Voice call example
Figure G.1 illustrates the possible transitions in both MT and MO TS 11 calls. Responses and result codes generated by
TA are in bold face.
VOICE call activeAT+CHUP(or ATH or drop DTR)remotehangupAT+CLIP=1; +CRC=1OK+CRING: VOICE+CLIP: +35812345,145ATAMTsuccessOKconnection failureNO CARRIERAT+CEER+CEER: failure causeOKremote busyBUSYgeneral failureERROROKNO CARRIERAT+COLP=1OKATD12345;MO with COLPAT+COLP=0OKATD12345;MO without COLPconnection failureNO CARRIERAT+CEER+CEER: failure causeOKsuccess+COLP: +35812345,145OK(remote ring orother networkgenerated tones)general failureERROR call setup started OKconnection failureNO CARRIERAT+CEER+CEER: failure causeOK(no indicationon successfulcall setup)
Figure G.1: TS 11 calls