The one for the initial registration is as follows. The message is sent via the bssap sccp connection established for the associated dedicated resource. Cm service reject if the msc is changed 3a.
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Open the cm configuration file (brm_home /sys/cm/pin.conf) and look for the following entries:
For more information about cs service notification message check 3gpp 24.301 specification.
Supplementary service activation call generation and reception. Maps™ gsm a acts as base station controller (bsc) and initiates the mobile originating call procedure by sending cm service request to the dut (msc). Simply put, this message is to tell the network i want to camp on you, please allocate me a radio resource that i initiate the connection process. 0.10 0100 = dtap mobility management message type:
No indication of selected plmn (0) 00.
Base station system management application part. (cause=’mac failure’ or ‘gsm authentication unacceptable’) sent authentication & ciphering request received on first expiry, the ms should consider the network as false (0) lcs value added location request notification capability not supported ucs2 : A service request is a procedure an ue executes when it is in idle mode and needs to establish the bearers to send data or it needs to send signaling to the mme.
Mobility management messages (0x05) 0000.
Gsm call flow (gsm originating call) cell mobile network fixed network mobile station base stations nss pstn user mobile bss msc vlr pstn send button begin rr connection establishment rr channel request rr immediate assignment rr sabm + mm cm service request rr ua sccp connection request + mm cm service request. Here first a channel request has to be sent to the bts and then it is tried with the cm_res_req to reestablish an rr connection for the still existing and active mm and cc connection. The mobile initiates a lapm connection with the bsc by sending a set asynchronous balanced mode (sabm) message. This message is sent by the network when a paging request with cs call indicator was received via sgs for a ue, and a nas signalling connection is already established for the ue.
Cs call establishment procedure 1a.
Cause value = 25 “llc or sndcp failure (gsm only)” (gprs specific cause values for session management) this cause code is used by the ms indicate that a pdp context is deactivated because of a llc or sndcp failure (e.g. The authentication and encryption flow is started on the caller side. The ms sends a cm service request, the ms initiates multiframe mode in sap3 with the normal lapdm sabm procedure. In this process, the msc may need to obtain the authentication set from the hlr/authentication.
(0) the me has a preference for the default alphabet (defined in gsm 03.38) over ucs2.
Queueing indication this message is sent from the bss to the msc in order to indicate a delay in the assignment of the required tch. (1) network initiated mo cm connection request supported for at least one cm protocol. To check or add these entries: Mobile radio interface layer 3.
The cm configuration file includes entries that point to the provisioning data manager.
(0) the me does not support solsa. Rr sabm + mm cm service request tch, sapi = 0 this is the first message that is sent after tuning to the channel. An option in gsm is to allow for a call reestablishment in case of a dropped connection. Technical specification group core network and terminals;
Sistemas de telecomunicações iii 29/41 reestablishment request, cm service request, imsi detach).
The dut on receipt of a cm service request message should send a cc connection confirm message in response as shown in the figure below. The ue triggered service request procedure is outlined in figure 17.8. Cm service request location area update or combined ra/la update 5. The service request message meant for the msc is also sent in this message.
The a interface supports several applications parts:
