Mesazhi Qender ( Statike)
Mesazhi Qender ( Statike)
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Several mobile telephone network operators have true fixed-wire SMS services. These are based on extensions to the European Telecommunications Standards Institute (ETSI) Global System for Mobile Communications (GSM) SMS standards and allow messaging between any mix of fixed and mobile equipment. These use frequency-shift keying to transfer the message between the terminal and the Short Message Service Center (SMSC). Terminals are usually based on Digital Enhanced Cordless Telecommunications (DECT), but wired handsets and wired text-only (no voice) devices exist. Messages are received by the terminal recognising that the Caller ID is that of the SMSC and going off-hook silently to receive the message.
GSM gateway appliance
A direct-to-mobile gateway is a device which has built-in wireless GSM connectivity. It allows SMS text messages to be sent and/or received by email, from Web pages or from other software applications by acquiring a unique identifier from the mobile phone’s Subscriber Identity Module, or “SIM card”. Direct-to-mobile gateways are different from SMS aggregators, because they are installed on an organization’s own network and connect to a local mobile network.
The connection to the mobile network is made by acquiring a SIM card number from the mobile operator and installing it in the gateway. Typically, direct-to-mobile gateway appliances are used for hundreds to thousands of text messages per month. More modern appliances now offer the capability of send up to 100,000 messages each day. Several vendors that have historically provided GSM Gateway equipment for voice also have SMS capability. Some are more primitive than others. The more capable devices are designed with SIM management to regulate the number of SMS messages per SIM, ODBC to connect to a database, and HTTP interfaces to interact with third party applications.
GSM gateway equipment is covered by the Wireless Telegraphy Act in the UK and can legally be used by any business to send SMS to their own customers or prospects when using their own gateway equipment. In Canada, SMS gateway providers are regulated by the Canadian Wireless Telecommunications Association (CWTA/txt.ca). In India it is regulated by the Telecom Regulatory Authority of India (TRAI). In Pakistan it is regulated by the Pakistan Telecommunication Authority(PTA).
A direct-to-short message service center (SMSC) gateway is a software application, or a component within a software application, that connects directly to a mobile operator’s SMSC via the Internet or direct leased line connections. The Short Message Peer-to-Peer (SMPP) protocol is typically used to convey SMS between an application and the SMSC. Direct-to-SMSC gateways are used by SMS aggregators to provide SMS services to their clients and large businesses who can justify such use. They are typically employed for high volume messaging and require a contract directly with a mobile operator.
An SMS gateway typically sits between the end user who needs to send/receive SMS and a mobile network’s SMSC. Such gateways provide a choice of protocols, including HTTP, SMTP, SMPP and Web services. Providers of SMS gateway services include SMS aggregators and mobile operators. SMS gateways are also available as part of messaging services such as AOL, ICQ and others.
An SMS gateway connects with (i) mobile network SMSCs in order to send/receive messages and/or (ii) other SMS gateways in order to reach mobile subscribers on multiple mobile networks. It is therefore possible that an SMS gateway has a combination of mobile network SMSC connections and connections with other SMS gateways in order to provide its services. However, there is the increasing potential for delivery problems with SMS the greater the number of SMS gateways in the delivery chain.
AOL Instant Messenger
AOL Instant Messenger (AIM) version 5.2 and above has support for sending SMS messages for free.
ICQ also has support for sending SMS messages at no cost.
Microsoft Outlook 2007 has native support for sending SMS messages worldwide via the Outlook Mobile Service. There are also plug-ins for Microsoft Outlook that add this functionality. This uses the SMS gateways of aggregators or of mobile operators.
Skype has support for sending SMS messages. SMS sent through Skype can be configured to appear as originating from the Skype user’s cellphone.
Twilio enables software developers to send SMS and MMS messages through its REST API or Beepsend SMPP interface.
Windows Live Messenger
MSN Messenger (Windows Live Messenger) 7.0 and up have support for SMS messages.
Yahoo! Messenger, accessible through a dedicated client application, or through a Web site (mail.yahoo.com) have support for SMS messages.
A Spreadsheet to SMS se