Friday, September 26, 2008
Wednesday, September 17, 2008
SMS&Phone Calls for Free to Use
way2sms.com website provide send to sms for free
free SMS can be sent through various websites .FREE PHONE CALLS can be made through various web sites.they allow us to send FREE SMS by making us register for free. they will send us the password to the phone number which we give during registration.UNLIMITED FREE SMS can be sent to any number .along with the FREE SMS ,an ad will be sent by the company .that is their source of income.for FREE PHONE CALLS we have to sign up for FREE .then they will call us and tell our password.when we call any number t and speak they will tell their ad at the end . we have to hear it.FREE SMS and FREE PHONE CALLS can be made by this way.go a head and enjoy all these oppurtunities at free of cost.in india there are many companies which offer this service.so FREE SMS and FREE PHONE CALLS are possible in india to the world.
Short Message Service (SMS) is a communications protocol allowing the interchange of short text messages between mobile telephone devices. SMS text messaging is the most widely used data application on the planet, with 2.4 billion active users, or 74% of all mobile phone subscribers sending and receiving text messages on their phones. The SMS technology has facilitated the development and growth of text messaging. The connection between the phenomenon of text messaging and the underlying technology is so great that in parts of the world the term "SMS" is used as a synonym for a text message or the act of sending a text message, even when a different protocol is being used.
SMS as used on modern handsets was originally defined as part of the GSM series of standards in 1985 as a means of sending messages of up to 160 characters (including spaces), to and from GSM mobile handsets. Since then, support for the service has expanded to include alternative mobile standards such as ANSI CDMA networks and Digital AMPS, as well as satellite and landline networks.[citation needed] Most SMS messages are mobile-to-mobile text messages, though the standard supports other types of broadcast messaging as well.
SMS GATEWAY PROVIDERS
SMS gateway providers facilitate the SMS traffic between businesses and mobile subscribers, being mainly responsible for carrying mission-critical messages, SMS for enterprises, content delivery and entertainment services involving SMS, e.g. TV voting. Considering SMS messaging performance and cost, as well as the level of messaging services, SMS gateway providers can be classified as aggregators or SS7 providers.
The aggregator model is based on multiple agreements with mobile carriers to exchange 2-way SMS traffic into and out of the operator’s SMS platform (Short Message Service Centre – SMS-C), also known as local termination model. Aggregators lack direct access into the SS7 protocol, which is the protocol where the SMS messages are exchanged. These providers have no visibility and control over the message delivery, being unable to offer delivery guarantees. SMS messages are delivered in the operator’s SMS-C, but not the subscriber’s handset.
Another type of SMS gateway provider is based on SS7 connectivity to route SMS messages, also known as international termination model. The advantage of this model is the ability to route data directly through SS7, which gives the provider total control and visibility of the complete path during the SMS routing. This means SMS messages can be sent directly to and from recipients without having to go through the SMS-Centres of other mobile operators. Therefore, it’s possible to avoid delays and message losses, offering full delivery guarantees of messages and optimised routing. This model is particularly efficient when used in mission-critical messaging and SMS used in corporate communications.
Message Service Centres communicate with the Public Land Mobile Network (PLMN) or PSTN via Interworking and Gateway MSCs.
Subscriber-originated messages are transported from a handset to a Service Centre, and may be destined for mobile users, subscribers on a fixed network, or Value-Added Service Providers (VASPs), also known as application-terminated. Subscriber-terminated messages are transported from the Service Centre to the destination handset, and may originate from mobile users, from fixed network subscribers, or from other sources such as VASPs.
It is also possible for non-subscribers to send messages to a subscriber's phone using E-Mail. AT&T, T-Mobile[citation needed] and others offer the ability to do this through their websites mail server. For example if you wished to E-Mail a AT&T subscriber whose phone number was 555-555-5555, you would address the message to 5555555555@txt.att.net. You are not required to pay to send the message, however the 140 character limit still applies.
Text enabled fixed-line handsets are required to receive messages in text format. However, messages can be delivered to non-enabled phones using text-to-speech conversion.[17]
Short messages can also be used to send binary content such as ringtones or logos, as well as Over-the-air programming (OTA) or configuration data. Such uses are a vendor-specific extension of the GSM specification and there are multiple competing standards, although Nokia's Smart Messaging is by far the most common. An alternative way for sending such binary content is EMS messaging which is standardised and not dependent on vendors.
Today, SMS is also used for machine to machine communication. For instance, there is an LED display machine controlled by SMS, and some vehicle tracking companies use SMS for their data transport or telemetry needs. SMS usage for these purposes are slowly being superseded by GPRS services due to their lower overall costs[citation needed].
SMS in satellite phone networks
All commercial Satellite phone networks except ACeS and OptusSat fully support SMS[citation needed]. While early Iridium handsets only support incoming SMS later models can also send them. The price per message varies for the different networks and is usually between 25 and 50 cents per message. Unlike some mobile phone networks there is no extra charge for sending international SMS or to send one to a different satellite phone network. SMS can sometimes be sent from areas where the signal is too poor to make a voice call.
Satellite phone networks usually have a web-based or email-based SMS portals where one can send free SMS to phones on that particular network.
free SMS can be sent through various websites .FREE PHONE CALLS can be made through various web sites.they allow us to send FREE SMS by making us register for free. they will send us the password to the phone number which we give during registration.UNLIMITED FREE SMS can be sent to any number .along with the FREE SMS ,an ad will be sent by the company .that is their source of income.for FREE PHONE CALLS we have to sign up for FREE .then they will call us and tell our password.when we call any number t and speak they will tell their ad at the end . we have to hear it.FREE SMS and FREE PHONE CALLS can be made by this way.go a head and enjoy all these oppurtunities at free of cost.in india there are many companies which offer this service.so FREE SMS and FREE PHONE CALLS are possible in india to the world.
Short Message Service (SMS) is a communications protocol allowing the interchange of short text messages between mobile telephone devices. SMS text messaging is the most widely used data application on the planet, with 2.4 billion active users, or 74% of all mobile phone subscribers sending and receiving text messages on their phones. The SMS technology has facilitated the development and growth of text messaging. The connection between the phenomenon of text messaging and the underlying technology is so great that in parts of the world the term "SMS" is used as a synonym for a text message or the act of sending a text message, even when a different protocol is being used.
SMS as used on modern handsets was originally defined as part of the GSM series of standards in 1985 as a means of sending messages of up to 160 characters (including spaces), to and from GSM mobile handsets. Since then, support for the service has expanded to include alternative mobile standards such as ANSI CDMA networks and Digital AMPS, as well as satellite and landline networks.[citation needed] Most SMS messages are mobile-to-mobile text messages, though the standard supports other types of broadcast messaging as well.
SMS GATEWAY PROVIDERS
SMS gateway providers facilitate the SMS traffic between businesses and mobile subscribers, being mainly responsible for carrying mission-critical messages, SMS for enterprises, content delivery and entertainment services involving SMS, e.g. TV voting. Considering SMS messaging performance and cost, as well as the level of messaging services, SMS gateway providers can be classified as aggregators or SS7 providers.
The aggregator model is based on multiple agreements with mobile carriers to exchange 2-way SMS traffic into and out of the operator’s SMS platform (Short Message Service Centre – SMS-C), also known as local termination model. Aggregators lack direct access into the SS7 protocol, which is the protocol where the SMS messages are exchanged. These providers have no visibility and control over the message delivery, being unable to offer delivery guarantees. SMS messages are delivered in the operator’s SMS-C, but not the subscriber’s handset.
Another type of SMS gateway provider is based on SS7 connectivity to route SMS messages, also known as international termination model. The advantage of this model is the ability to route data directly through SS7, which gives the provider total control and visibility of the complete path during the SMS routing. This means SMS messages can be sent directly to and from recipients without having to go through the SMS-Centres of other mobile operators. Therefore, it’s possible to avoid delays and message losses, offering full delivery guarantees of messages and optimised routing. This model is particularly efficient when used in mission-critical messaging and SMS used in corporate communications.
Message Service Centres communicate with the Public Land Mobile Network (PLMN) or PSTN via Interworking and Gateway MSCs.
Subscriber-originated messages are transported from a handset to a Service Centre, and may be destined for mobile users, subscribers on a fixed network, or Value-Added Service Providers (VASPs), also known as application-terminated. Subscriber-terminated messages are transported from the Service Centre to the destination handset, and may originate from mobile users, from fixed network subscribers, or from other sources such as VASPs.
It is also possible for non-subscribers to send messages to a subscriber's phone using E-Mail. AT&T, T-Mobile[citation needed] and others offer the ability to do this through their websites mail server. For example if you wished to E-Mail a AT&T subscriber whose phone number was 555-555-5555, you would address the message to 5555555555@txt.att.net. You are not required to pay to send the message, however the 140 character limit still applies.
Text enabled fixed-line handsets are required to receive messages in text format. However, messages can be delivered to non-enabled phones using text-to-speech conversion.[17]
Short messages can also be used to send binary content such as ringtones or logos, as well as Over-the-air programming (OTA) or configuration data. Such uses are a vendor-specific extension of the GSM specification and there are multiple competing standards, although Nokia's Smart Messaging is by far the most common. An alternative way for sending such binary content is EMS messaging which is standardised and not dependent on vendors.
Today, SMS is also used for machine to machine communication. For instance, there is an LED display machine controlled by SMS, and some vehicle tracking companies use SMS for their data transport or telemetry needs. SMS usage for these purposes are slowly being superseded by GPRS services due to their lower overall costs[citation needed].
SMS in satellite phone networks
All commercial Satellite phone networks except ACeS and OptusSat fully support SMS[citation needed]. While early Iridium handsets only support incoming SMS later models can also send them. The price per message varies for the different networks and is usually between 25 and 50 cents per message. Unlike some mobile phone networks there is no extra charge for sending international SMS or to send one to a different satellite phone network. SMS can sometimes be sent from areas where the signal is too poor to make a voice call.
Satellite phone networks usually have a web-based or email-based SMS portals where one can send free SMS to phones on that particular network.
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