Openmoko Bug #1757: +CMS ERROR: 321 in response to AT+CMGL=4 (SMS errors?)

Openmoko Public Trac bugs at
Fri Aug 8 02:27:43 CEST 2008

#1757: +CMS ERROR: 321 in response to AT+CMGL=4 (SMS errors?)
 Reporter:  Mercury  |        Owner:  openmoko-devel
     Type:  defect   |       Status:  new           
 Priority:  normal   |    Milestone:  ASU           
Component:  unknown  |      Version:  unspecified   
 Severity:  normal   |   Resolution:                
 Keywords:           |     Blocking:                
Blockedby:           |  

Comment(by balrog):

 Nope, it's trying to list all messages (+CMGL=4 in PDU mode is same as
 +CMGL="ALL" in text mode).
 Error 321 is "Invalid Memory Index", which means that there are no
 messages in the inbox.  (Fully 3GPP compliant modems would just list zero
 messages and print OK but the TI Calypso is known to be special and give

 There must be another issue with receiving messages that you're seeing.

Ticket URL: <> <>
openmoko trac

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