Siemens M20 Terminal User Manual

AT command interface
Version 8 dated 15.03.00 141
Siemens Information and Communication Products
A
5.9.4 Summary of CMS ERRORS related to Siemens-defined commands
:
Code of <err> Meaning
0...127 GSM 04.11 Annex E-2 values, see CMS ERROR codes related to GSM 07.07
128...255 GSM 03.40 subclause 9.2.3.22 values
300...511 see CMS ERROR codes related to GSM 07.05
515 PHONE BUSY

Siemens M20 Terminal Specifications

General

Brand	Siemens
Model	M20 Terminal
Category	Engine
Language	English