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Mobile Communication SMSC Access protocols. Mobile Communication SMSC Access protocols SMAP: Access protocols initially developed to allow interactions.

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Presentation on theme: "Mobile Communication SMSC Access protocols. Mobile Communication SMSC Access protocols SMAP: Access protocols initially developed to allow interactions."— Presentation transcript:

1 Mobile Communication SMSC Access protocols

2 Mobile Communication SMSC Access protocols SMAP: Access protocols initially developed to allow interactions between SMSCs and external SMEs are binary protocols. An external SME may communicate directly with a SMSC via SMAP protocol Alternatively, a SMS gateway can fit between the external SME and the SMSC,

3 Mobile Communication SMSC Access protocols SMAP: SMAP is an application protocol independent from underlying transport protocols. However HTTP presents its self as a suitable candidate for transporting SMAP operation requests and results. There are four Operational modes available with SMAP: Immediate Mode Client Session Mode Peer-to-peer Mode Batch Code

4 Mobile Communication SMSC Access protocols SMAP: Client Session Mode: In this mode the external SME first establishes a session with the gateway prior to requesting operations to be processed by the SMSC. The gateway may also establish such session for message delivery to an external SME

5 Mobile Communication SMSC Access protocols SMAP: Immediate Mode: In this mode the External SME does NOT maintain a session with the gateway. Each operation contains the application context. This mode is used for message submissions only.

6 Mobile Communication SMSC Access protocols SMAP: Peer to Peer session mode: In this mode it allows a bi-directional session to be established between the external SME and the SMSC. Message submissions and deliveries can be performed over a single bi-directional session.

7 Mobile Communication SMSC Access protocols SMAP: Batch Mode: In this mode, the gateway receives a set of SMAP operations to be processed, from external SME. The gateway processes each operation in turn and builds a set of results. The set of results is also provided in a batch to the external SME. The batch mode is usually used when an interactive session is not required or would be unsuitable due to timeout issues.

8 Mobile Communication SMSC Access protocols SMPP: “SMPP is a asynchronous protocol, therefore external SMEs do not wait for results of previously submitted instructions” In order to interact with an SMSC via the SMPP protocol, an external SME first establishes a session. The transport of operations requests over this session is usually performed over TCP/IP or X.25 connections. For a TCP/IP application, port 2775 is used for SMPP

9 Mobile Communication SMSC Access protocols SMPP: Operations over SMPP can be have four groups: Session management message Submission Message Delivery Ancillary operations

10 Mobile Communication SMSC Access protocols SMPP: Session management These operations enable the establishment of SMPP sessions between external SME and the SMSC, In this category, operations also provide a means of handling unexpected errors.

11 Mobile Communication SMSC Access protocols SMPP: Message Submission These operations allow external SMEs to submit messages to the SMSC

12 Mobile Communication SMSC Access protocols SMPP: Message delivery These operations enable the SMSC to deliver messages to external SME’s

13 Mobile Communication SMSC Access protocols SMPP: Ancillary operations These operations provide a set of features, example Cancellation, query or replacement


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