
AT Commands Reference Guide
80000ST10025a Rev. 5 - 09/07/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 17 of 434
Command Estimated maximum time to get
response (Seconds)
+VTS 20 (transmission of full
“1234567890*#ABCD” string with no
delay between tones, default duration)
+CSCA 5 (read and set commands)
+CSAS 5
+CRES 5
+CMGS 60 after CTRL-Z; 1 to get ‘>’ prompt
+CMSS 60 after CTRL-Z; 1 to get ‘>’ prompt
+CMGW 5 after CTRL-Z; 1 to get ‘>’ prompt
+CMGD 5 (single SMS cancellation)
25 (cancellation of 50 SMS)
+CMGR 5
+CMGL 20 (full listing of 50 SMS)
+CGACT 5
+CGATT 10
D 30 (voice call)
Timeout set with ATS7 (data call)
A 30 (voice call)
Timeout set with ATS7 (data call)
H 30
+CHUP 5
+COPN 10
+CPOL 10 (set command; read command of 84
records)
+CRSM 5
+FRH Timeout set with ATS7
+FTH Timeout set with ATS7
+FRM Timeout set with ATS7
+FTM Timeout set with ATS7
+FRS Timeout set with the command itself
+FTS Timeout set with the command itself
#MBN 10
#TONE 5 (if no duration specified)
#ADC 5
#EMAILD 20
#EMAILACT 150
#SEMAIL
170 (context activation + DNS
resolution)
#MSCLASS 15
#SPN 5
#STSR 10
#CCID 5
#GPRS 150
#SKTD 140 (DNS resolution + timeout set with
AT#SKTCT)
Comentarios a estos manuales