Technical information

December 15, 2009 G30 - Module Hardware Description 5
GSM Supplementary Service
Call Hold/Resume (CH)
Call Waiting (CW)
Multi-Party (MTPY)
Call Forwarding (CF)
Call Divert
Explicit Call Transfer (ECT)
Call Barring (CB)
Call Completion to Busy
Subscriber (CCBS)
Advice of Charge (AoC)
Calling Line Identification
Presentation (CLIP)
Calling Line Identification
Restriction (CLIR)
Connected Line
Identification Presentation
(COLP)
Unstructured Supplementary
Services Data (USSD)
Network Identify and Time
Zone (NITZ)
Character Set
GSM GSM default alphabet (GSM03.38)
HEX Character strings consist only of hexadecimal numbers
from 00 to FF; e.g. "032FE6" equals three 8-bit characters
with decimal values 3, 47 and 230; no conversions to the
original ME character set shall be done
IRA International Reference Alphabet (ITU-T T.50)
8859-1 ISO 8859 Latin 1 character set
UCS2 16-bit universal multiple-octet coded character set
(USO/IEC10646); UCS2 character strings are converted to
hexadecimal numbers from 0000 to FFFF. Only the strings
found in quotation marks are UCS2 coded, the rest of
commands or responses, remains in IRA alphabet
AT Command Set
GSM 07.05
GSM 07.07
Motorola proprietary AT
commands
Table 1-1: Product Specifications (Cont.)