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Rev 1 Dec.10
Proprietary and Confidential - Specifications subject to change
91
7.3 UMTS (WCDMA) / GSM specifications
details the SL808X modem’s support for common UMTS (WCDMA) and
GSM specifications.
Unstructured supplementary
services data (USSD)
USSD provides support for transmitting information over the
GSM network signalling channels. It provides fast session-
based communication between the user and an application,
enabling use of text messaging, prepaid roaming, chat, etc.
(SL8080/82/84)
Supplementary services
Support for supplementary voice services such as Call Hold,
Call Forward, Call Waiting, Multi-party Calls, Caller ID, Fixed
Number Dialing, Service Dialing Numbers, etc.
Cell reselection/handover
Supports InterRat and InterFrequency cell-reselection and
handover between supported frequency bands.
Security - IMEI Security
SIM lock
The device can be ‘MEP locked’ to a particular PLMN.
SIM security
Both CHV1 and CHV2 are supported (unlock and unblock).
Table 7-2: Supported GSM / GPRS specifications (Continued)
Item
Comments
Table 7-3: UMTS (WCDMA) / GSM specifications
a
Item
GSM
UMTS
Mobility management
Automatic PLMN selection / reselection
Location updating procedure
IMSI attach procedure
IMSI detach procedure
Periodic location update
Authentication procedure
CM connection establishment from MS or network
CM connection release
Encryption key management
TMSI reallocation
Paging response
Abort procedure
Identification
CN system information
Call re-establishment
Содержание AirPrime SL808 Series
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