pstn gateway

Net_util.c#define WIRED_DEV "Eth0"#define WIRELESS_DEV "RA0"#define PPPOE_DEV "Ppp0"#define DEBUG_PRT (FMT, arg ...) printf (fmt,# #arg)/*** Get IP address.* @param net_dev net device.* @param ipaddr A pointer to save IP address.* @return 0 success, or fail.*/int get_ipaddr (const char *net_dev, char *ipaddr){struct Ifreq IFR;int fd = 0;struct sockaddr_in *paddr;if ((NULL = = Net_dev) | | (NULL = = ipaddr)){DEBUG_PRT ("Illegal call function setgeneralip! \ n ");return-1;}if ((FD = socket (af_ine

Contact with the switch has been for some time also, you can find that some of the content seems more confused, such as: Switch configuration default gateway, configuration of the specific command has been very familiar, but now is not quite understand why to complete the switch gateway settings, I also find some information on the Internet, and some say to remote access to the switch, Some say the communic

What is a gatewayThe term gateway is derived from the definition of the computer network, the gateway is also called the Inter-Network connector, protocol converter. The exact definition of a gateway is a connection between two computer programs or systems, and the gateway acts as a portal between two programs, allowin

Article Title: how to build a mobile WAP gateway in Linux. Linux is a technology channel of the IT lab in China. Includes basic categories such as desktop applications, Linux system management, kernel research, embedded systems, and open source. I checked a lot of information and finally was able to build a WAP gateway on Linux! After the establishment, you can use your own WAP

504 Gateway time-out issues common to Web sites that use Nginx as a Web serverI met this problem when I was upgrading the Discuz forum.In general, this situation may be due to the Nginx default fastcgi process response buffer is too small, which will cause the fastcgi process to be suspended, if your fastcgi service is not good for this suspend processing, then it is very likely to cause 504 Gateway Time-ou

1. The router is also called the IP gateway, and the Gateway Protocol is the protocol for exchanging routing information between gateways.2. Autonomous systems:(1) Autonomous system is connected by the homogeneous gateway of the Internet, autonomous system within the gateway to perform internal

A gateway is essentially an IP address of a network to another network.For example, network A and network B, network A's IP address range is "192.168.1.1~192." 168.1.254 ", the subnet mask is 255.255.255.0, and the IP address range for Network B is" 192.168.2.1~192. 168.2.254 ", the subnet mask is 255.255.255.0. In the absence of a router, TCP/IP communication between the two networks is not possible, even if two networks are connected on the same sw

Connect to Sybase through Oracle transparent gateway The transparent gateway technology proposed by Oracle can be used to interconnect with other types of databases to establish connections between different types of data, which is convenient for users to query. Recently, during the implementation of a project in the company, developers need to access some tables in the Sybase Database, and they want to cre

Computer default gateway How to set? This is also a common network setup problem that most new users will encounter, the default gateway of a computer can not be casually specified, must be specified correctly, or a computer will send the packet to a computer that is not the gateway, so that it cannot communicate with other network computers. The default

Design Time of Iot gateway solution based on Android: 2013-03-20 12:58:07 Source: Electronic Design Engineering Author: Qiao lei, Lei Bin, du Jianying Abstract:An Iot gateway solution based on the Android platform is proposed. The gateway transmits data between the central node of the wireless sensor network (WSN) in IOT and the android

Spring Cloud (10): Service Gateway Zuul (routing) "version Finchley" Posted in 2018-04-23 | updated on 2018-05-09 | With the introduction of several core components in Spring Cloud, we can already build a brief microservices architecture, perhaps like this:We implemented service registries and service registration and discovery using the Eureka in spring Cloud Netflix, while service consumption and balanced workloads were realized through the Rib

Oracle 10g transparent gatewayAccessSQL Server 2000The configuration and listener startup and configuration are what we will introduce in this article. Next we will introduce them one by one. I. Configure the environment Oracle 10 Gb is installed on Windows 2003 server of 192.168.0.250: Oracle Database 10g Enterprise Edition Release 10.2.0.3.0-64bit Production) SQL Server 2000 is installed on Window 2003 server at 192.168.0.233. 2. Download the transparent G