{ 42 GList *keys = g_hash_table_get_keys(features); 43 gint len = g_list_length(keys); 44 gint i; 45 46 for (i = 0; i
Sms_get_features_type call dbus_g_type_get_map to create a {SV} type. The server is used to create signals. The client will use the call method and registration signal. Sms_create_features calls g_hash_table_new_full to create a hash table, and registers the clearing function of the value object at the same time. When sms_release_features cal
and notes
460
00
China Mobile
China Mobile
Operational
GSM 900/GSM 1800/TD-SCDMA 1880/TD-SCDMA 2010
460
01
China Unicom
China Unicom
Operational
GSM 900/GSM 1800/UMTS 2100
CDMA network sold to China Telecom, WCDMA effeccial trial sta
is a kind of data enhancement technology based on GSM/GPRS, which can effectively improve the data transmission rate and throughput of the network, and enhance the support ability of the service. From GPRS upgrade to edge, you can continue to use the existing spectrum of GSM/GPRS, do not have to large-scale adjustment of the network structure, as long as the Change access network and terminal parts, the GP
Introduction
This paper discusses the significant progress made in constructing and deploying 2G mobile networks, especially the GSM network, and compares the main power and visible results of the new 3G mobile network. This paper analyzes a series of important elements to create 3G devices and services, and analyzes the current challenges faced by 3G device designers.
3G before the -2G revolution
GSM Ba
2014 Mobile number Attribution database
2014 the latest version of "Cell Phone number Attribution database" (Updated: April 6, 2014), a total of 10,000 records.Data fields:-number segment (i.e., first 7 digits of the number)-Province-City-Supplier (incl., communication protocol)Sample data:"1300000", "Beijing", "Beijing", "China Unicom (GSM)""1300001", "Jiangsu", "Changzhou", "China Unicom (GSM)""13
I. Several networking strategies involved in network convergence
Although 3G has been under construction in foreign countries, and some of them are in commercial use and quasi-commercial use, the development of 3G in China and abroad is quite different. China's 3G development will be a long-term, gradual, and constantly improved process.
Traditional GSM network operators have a wide coverage of GSM/GPRS net
Code:--------------------------------------------------------------------------------
At present, the application of mobile phone messages more and more widely, the Internet to provide short messages sent to the site is more and more, but some site service is not satisfactory, often sent to the short message. The most reliable way to send is, of course, with the hands of the mobile phone, if you set a status report, it is more accurate to know whether the other party received this message. Mobil
water supply scheduling and monitoring system can be divided into two categories: wired and wireless, among them, wired communication mainly includes the establishment of optical cables, cables or leased telecommunications lines, X.25, DDN, ADSL, etc, wireless communication includes ultra-short frequency communication, spread-spectrum communication, satellite communication, and GSM Short Message/GPRS communication.
In the urban water supply scheduli
2014 mobile phone number attribution database, 2014 mobile phone number ownership2014 mobile phone number home database
The latest version of "mobile phone number home location Database" (updated on: July 22, 2014) in April 6, 2014, with a total of 10 thousand records.
Data field:
-Number segment (that is, the first seven digits of the number)
-Province
-City
-Supplier (inclusive, Communication Protocol)
Sample Data:
"1300000", "Beijing", "Beijing", "China Unicom (
encoding.
Public final String rtpmap; // The encoding parameters to be used in the corresponding SDP attribute.
Public final String fmtp; // The format parameters to be used in the corresponding SDP attribute.
You can use AudioCodec. getCodec to easily obtain a Codec:
Public static AudioCodec getCodec (int type, String rtpmap, String fmtp)
For ease of use, Android defines several commonly used Codec: PCMU, PCMA, GSM, GSM_EFR, and AMR in AudioCodec.
Get the device model and Device
Code:
- (void)viewDidLoad{ [super viewDidLoad]; // Do any additional setup after loading the view. NSLog(@"--self-machine-%@",[self machineName]); }- (NSString*) machineName{ struct utsname systemInfo; uname(systemInfo); NSString *result = [NSString stringWithCString:systemInfo.machine encoding:NSUTF8StringEncoding]; return result;}
Output:
2014-12-02 17:25:27. 958Obtain the device model[21762:
2014 Mobile number Attribution database
2014 the latest version of "Cell Phone number Attribution database" (Updated: April 6, 2014), a total of 10,000 records.Data fields:-Number segment (ie. Number first 7 digits)-Province-City-Supplier (incl., communication protocol)Demo Sample data:"1300000", "Beijing", "Beijing", "China Unicom (GSM)""1300001", "Jiangsu", "Changzhou", "China Unicom (GSM)""
Original article: http://blog.csdn.net/bhw98/archive/2003/03/27/19666.aspx
We need to understand the SMS specification developed by ESTI. The rules related to short message sending and receiving discussed mainly include GSM 03.38, GSM 03.40, and GSM 07.05. The first two focuses on the technical implementation of SMS (including the encoding method), the latter set
Currently, mobile phone navigation is commonly divided into two types: mobile phone built-in or external GPS accessories, via satellite navigation, which is currently the most popular Positioning method; second, this article describes how to use the carrier's base station for navigation and positioning.
There is no need to say about GPS navigation. for mobile phones with built-in GPS, such as Nokia, there is a navigation phone called6110The GPS component is built in. While the mobile phone is ex
GSM stands for global system for mobile communication. It refers to the global mobile communication system. This system was designed and developed by a Standardization Committee composed of major European telecom operators and manufacturers. Global connect is a famous user brand of China Mobile digital mobile phone network. The Network No. 139,138,137,136,135 belongs to the GSM digital mobile phone network,
Minimum SMS sending and receiving system design with USB interface
From: http://www.c51bbs.com/c51blog/user1/698/archives/2005/3455.shtml
Short Message Service is a basic wireless service on mobile networks. It is a process of storing and forwarding information on mobile networks. However, it is inconvenient to edit short messages with a common mobile phone. Input and display are limited. Of course, they are not suitable for industrial applications and do not exist in PCs. This short message sen
document defines MMS Stage 1:Reference 3GPP ts 23.140 v5.2.0Title Multimedia Messaging Service, stage 1There are stages 1, 2, and 3 in the document. Stage 1 describes a service from the perspective of service users. Stage 2 describes the logic analysis of the problems to be solved. Stage 3 is the technical implementation.3GPP specifications can be obtained from http://www.3gpp.org.
Table 1 No.
Range for GSM up
Range for
document defines MMS Stage 1:Reference 3GPP ts 23.140 v5.2.0Title Multimedia Messaging Service, stage 1There are stages 1, 2, and 3 in the document. Stage 1 describes a service from the perspective of service users. Stage 2 describes the logic analysis of the problems to be solved. Stage 3 is the technical implementation.3GPP specifications can be obtained from http://www.3gpp.org.
Table 1 No.
Range for GSM up
Range for
above picture, we can see two folders, GSM and CDMA, which are also related to sim cards. If a CDMA card is inserted, use the source code in the CDMA folder. If it is a 2g sim card, or 3G connection cards (that is, GSM/WCDMA) use the GSM folder. When you open the GSM folder, you can see that there is an STK folder con
Integrated Intelligent Network can effectively use the original intelligent network, at the same time better for a number of network users to provide a comprehensive, unified business, its main purpose is to use only a set of network for fixed network, mobile network (including GSM and CDMA), IP network to provide business logic, Provide users of these networks with an intelligent business within or across multiple networks.
First, the system structu
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