GSM (Global System for Mobile Communications Global Mobile Communications System)
One of the most mature digital mobile phone networks worldwide, there are currently 75% of mobile phones in the world, GSM. As of 2001, 162 countries around the world have built 400 GSM communication networks.
GPRS (General Packet Radio Service integrated packet wireless service)
GPRS is a set of wireless transmission methods developed by the concept of "Packetttched), which is a new packet data bearer service developed on existing GSM systems. It puts GSM's largest The data communication speed increases from 9600bit / second to 171.2kbit / sec. We can understand GPRS as a higher level of GSM. The so-called separation exchange is to separate the data into many independent packets, and then transfer these packets one by one, and the form is a bit like sending parcels. The advantage of using the separation exchange is that only the information is required to transmit, and the frequency width. Moreover, it can be priced by the amount of data transmitted, which is a relatively reasonable billing method for the user.
What is a ring tone?
The ring tones is the personal colorful ring tone service that is mobile to provide customers, referred to as the ring tones; "CRBT" business is a special sound (music, song, story plot) for other calling customers who call customers for calls their mobile phones (music, songs, storyline) , The rebound tone of the characters; during a telephone call, the calling customer will not be a monotonous "beep ..." ordinary ringback before the call. Tone, but called customers have customized personalized special sound ignites
SMS
Short Messaging Service SMS service, you can send textual SMS through mobile phones and other mobile devices.
EMS Enhanced Type SMS
ENHANCED Message Service enhanced short message service. Compared to SMS, the advantage of EMS can send simple images, sounds, and animations such as simple images, sounds and animations in addition to send text short messages like SMS. EMS is a transition technology that is excessive from SMS text information to MMS multimedia information.
Different brands of mobile phones only support EMS, they can pass each other of the EMS picture ringtone.
MMS multimedia SMS (MMS)
MUMMS: (MultiMedia Messaging Services) Multimedia Information Services. Videos, pictures, sounds, and texts are transmitted to the carrier with WAP (wireless application protocol). At present, operations from all over the world have launched this business. Ability to automatically transfer the content created by the user. It mainly adds to the recipient's phone number, which MMS communication can be performed between the terminals. At the same time, MMS also supports E-mail addressing, so information can be passed between terminals and E-mail.
MMS is "Third Generation SMS" after SMS (Text SMS Service), EMS (Enhanced SMS Service). SMS can only send and receive text information, EMS can join ringtone, simple graphics and simple animation, MMS greatly expand the versatile media type, text, simple picture, and ringtone naturally not in the words, complex pictures such as photos , Large charts and music fragments, video clips are MMS's use of martial arts.
China Mobile's "MMS MMS" business open range is "Global" mobile phone users, 0.9 yuan / bar.
WAP (Wireless Application Protocol Wireless Application Communications Agreement)
WAP is made by Ericsson, Nokia, Motorola, and other communications giants in the WAP Forum established in 1997. You can transfer information on your network to your mobile phone or other wireless communication terminal. It uses a marker language similar to HTML (Wireless Markup Language is not a wireless tag language), which is equivalent to HTML (hyperbar mark language) on the Internet and can access a general web page directly via WAP Gateway. With WAP, users can use the wireless communication terminal at any time to obtain instant messaging on the Internet or the information on the company website, and truly implement wireless Internet access. It is the first phase of sexual product that is combined with the Internet. Mobile video on demand
Video on-demand: VOD (Video On Demand), interactive multimedia video on demand, is an integrated technology that is rapidly emerging with computer technology, communication technology, and television technology. It uses the advantages of network and video technology, completely changed the passive way to watch the program in the past, realizing the on-demand view of the program and arbitrarily played, integrating the mobile phone and television images, static pictures, sound, text and other information, provide users with Real-time, interactive, on demand system.
Mobile phone video ongoing refers to the way of self-serializing programs through a color screen phone via mobile network. Mobile phone video on demand requires 2.5G and 3G communication networks and configure high color screen mobile phone support.
Kjava
The so-called kjava is a work with the current Java environment, allowing programming designers to convert between different platforms, Java is a web design technology that has been widely used in interactive. Since Java can be used on different machines, of course, on other electronic products can be applied.
"" It will be very easy. Mobile phones that built the Kjava program in the second half of 2001 will be launched, with Java program development capabilities, and important indicators in the development of information technology.
On-demand service (IOD)
Custom business
Monthly
Mo
MT
PIM (Print Image Matching) Qualified Digital Image Printing Technology
VPN (Virtual Private Network) Virtual Network
J2ME (Java 2 Micro Edition) Java 2 Platform Microcomputer, Programming Language on Wireless Communication Devices
3GPP (3rd Generation Partnership Project) Third Generation Mobile Communication
3G-IP, 3G mobile communication and IP combination
WAP (Wireless Application Protocol) Wireless Application Protocol
The MAC address is the address of the Ethernet network card and is 48. Ethernet network card manufacturers must apply to the IEEE organization to program the serial EPROM on the NIC when producing a network card.
ICMP (Internet Control Message Protocol) Internet Control Information Agreement
CDMA (Code Division Multiple Access) Code Division Multiple Access
PDA (Personal Digital Assistant) Personal Digital Assistant, is generally called "handheld computer".
Diffie-Hellman, a public key algorithm that is universally used in the key exchange.
SCEP provides a secure upgradeable distribution of digital certificates.
Mobile phone broadcast class
This is the most common type of IOD class service, and the user replies to the user after the on-demand instruction, then the SP receives the on-demand instruction.
This service does not require user order, so there is no need to order instructions and unsubscribe instructions, and the history requires an order command, and the business can only be provided in accordance with the billing method, and cannot be charged. The most typical business is weather information, and users pass a MO, then the SP will send a weather conditions, and every time a business fee is given. There is a fee for this month, there is no charge, and there is no charge.
In addition, the business must be limited to the maximum number of MTs, for extended SMS, may require multiple SMS portfolios, so it is required to fill in the transmission frequency when the business application is required.
It can be concatenated as: no order, ready to use, mobile phone on-demand, mobile phone enjoy, one use, one bill charge.
Customized on-demand class
This business is a business that needs to be subscribed. When using this business, you must order, so this business must have a subscription instruction, unsubscribe instruction, on demand instruction. Users must order before using this business, only after ordering the business, can be used by going up MO. This type of business is allowed for monthly charging and composing bills.
The most typical business is to move QQ. After the user is ordered, you can bind the QQ number to the mobile phone number. You can send information to other QQ numbers through the mobile phone. If the user is online, it will be displayed On QQ, if it is not online, and the user is also bound to the mobile phone, it will be sent to the mobile phone number.
This kind of business is ordered first, but it is not automatically issued by the SP after ordering, but it must also be issued by the user to generate information.
Can be summed up to: order, life is valid, once a game, enjoy
Automatic Push Class
This is the most common PUSH class. It is characterized by providing users to order. After ordering, users no longer need to upward MO, and the SP will provide business information to the user down MT.
Therefore, such services do not need to play instructions, but require ordering instructions and unsubscribe instructions. This business is mostly billing, but does not exclude billing. For the way, the transmission frequency limit is important, and this parameter must be filled in the business application, generally the number of monthly senders.
The most typical application is an news business. After the user is ordered, the SP will send the latest news to the user on time without the user, and the service has been valid as long as the user does not cancel it.
Can be summed up to: order, life, if you don't cancel, charge to month!
Website broadcast class
This kind of business is characterized by the user actively on-demand, but not on the way to play MO, the user can play a webcasting, and the SP processing such a service, when the user is on the WWW website, you must first go to MISC The system requests a linkID, then issued business information through SMS, when issuing, be sure to submit this LinkID to ISMG, otherwise the business will not be able to send it.
According to this type, speech-based broadcasting services may occur later. This business is generally charged, generally does not require user order, and a business use is generated every time.
The most typical business is the ringtone download. Users admire the ringtones on the website, then download to the mobile phone, then users will receive this ringtone from the phone.
Similarly, the business is also required to limit the maximum number of MTs in the next broadcast. For extended SMS, it is possible to need a plurality of SMS to be combined, so it is required to fill in the transmission frequency when the service application is required.
