CM request

hi

CM Request = request for a dedicated channel

3GPP TS04.08

The CM SERVICE REQUEST message contains the
– mobile identity according to sub-clause 10.5.1.4;
– mobile station classmark 2;
– ciphering key sequence number; and
– CM service type identifying the requested type of transaction (e.g. mobile originating call establishment, emergency call establishment, short message service, supplementary service activation), location services)

CM = CONNECTION MANAGEMENT
It is a GSM protocol

/www.tutorialspoint.com/gsm/gsm_protocol_stack.htm

Regards
pix

Hi Pix,
I really appreciate your explanation in CM SERVICE REQUEST. I have an query, may i know what does
CM_SERV
SERV_TYPE=8 (0x08)
refer to which service. I think it is USSD but I want to confirm and also is there any document which explain what are the service types available..

Regards,
Paddy