What is MO and MT call?

Two important terms that you may find mentioned regularly are MO, which means Mobile Originated and MT, which stands for Mobile Terminated.

What is the call flow in GSM?

GSM Call Flow (GSM Originating Call) The user keys in the phone number for the landline subscriber and .. RR connection establishment is triggered by sending the Channel Request message. This message requests the Base Station System (BSS) for allocation for radio resources for the RR connection setup.

What is mo call Telecom?

What is an MO message? The term MO message stands for “mobile originated” messaging. This type of message refers to a message sent from a mobile phone. More precisely, this is a message that customer/subscriber sends from mobile phone to mobile marketing and mobile SMS provider through the SMS platform.

How a call is made in GSM?

The call is routed through the telephone network to the closest MSC to the called GSM subscriber. Finally, the request for a mobile call is transmitted over all BTSs in the actual location area of the called GSM subscriber. Mobile recognizes its own identity, and the call begins.

What is the difference between MO and MT?

MO: Mobile originator- in this case the end user is billed when they send a message to the short code. MT: Mobile Terminator- in this case the end user is billed when they receive a message from the short code.

What is MT SMS?

MT SMS or Mobile terminated SMSs are messages terminated on or delivered to a mobile phone. These types of messages are sometimes referred to as ‘short message – mobile terminated’ (SM-MT) or simply ‘mobile terminated messages.

What means call flow?

A call flow is the organizational process, typically audio files and menu options, of the caller’s experience prior to agent assignment. A call flow can be the inbound auto-attendant, an inbound or outbound IVR, or the call’s in-queue handling.

How is a call routed to a GSM mobile?

The Gateway MSC receives the call and queries the HLR for the information needed to route the call to the serving MSC/VLR. The GMSC routes the call to the MSC/VLR. The MSC checks the VLR for the location area of the MS. The MSC contacts the MS via the BSC through a broadcast message, that is, through a paging request.

What are Mo messages?

MO Message refers to where a message originated from or was received from via a mobile device.

What is the meaning of Mo FSM message?

Mobile originating forward short message
The SMS-SUBMIT is the MO FSM message(Mobile originating forward short message) which is between origin MSC and origin SMSC. Origin SMSC gets the required information from HLR regarding destination MSC/VLR to route the SMS. This information is obtained by SRI SM request(Send Routing information for short message).

How a mobile call is actually made?

How cellphone calls travel. When you speak into a cellphone, a tiny microphone in the handset converts the up-and-down sounds of your voice into a corresponding up-and-down pattern of electrical signals. A microchip inside the phone turns these signals into strings of numbers.

Which two types of call happens in GSM calling?

GSM Functionalities

Mobile originated call and mobile terminated call in GSM.
Mobile-originated call.
Mobile-terminated call.
Mobility and handover in the GSM networks.
Short Message Service.
International roaming. Voice call flow. Data transfer. IMS network. SMS.
Our solutions.

Where does the Mt call take place in GSM?

As described in GSM protocol stack, messages flow between both mobile and network at various layers (layer 3,layer 2,layer 1 (physical layer). The message flow is self explanatory to establish the circuit switched mobile terminated (MT) call in GSM .

What does the message flow mean in GSM?

The message flow is self explanatory to establish the circuit switched mobile terminated (MT) call in GSM . The figure above mentions messages exchanged between mobile and network for call release.

Where does mobile originated call flow take place?

This page covers mobile originated (MO) call flow between Mobile (UE) and network. It covers messages exchanged between Layer 3 entities (RR,MM,CC) at both side. It include channels (RACH,AGCH,SDCCH,FACCH,TCH) used at layer 1 to carry these messages over the air.

Which is used in mobile originated call in GSM?

• RACH is used in mobile originated call while PCH is used in mobile terminated call at the start. As described in GSM protocol stack, messages flow between both mobile and network at various layers (layer 3,layer 2,layer 1 (physical layer). The message flow is self explanatory to establish the circuit switched mobile originated (MO) call in GSM .