sip

PSTN fixed: Personal, PC plugged into the analog-to-digital conversion card, such as the one-port digium x100p,4 mouth TDM 400, Taobao on its own find. GSM Phone: Bluetooth access, requires a desktop, a Bluetooth receiver, configuration

Author: OrphousV Tianyang ForumThis time I will show the implementation process of several common attack forms.SIPSession Initiation Protocol (ietf rfc 3261) is a widely used VoIP Protocol. SIP is responsible for creating and disabling multimedia

I. Introduction When a call is established for a traditional telephone exchange network, the signaling point code of the next exchange board is determined based on the E.164 number of the called phone number, and then the call is routed through the

Links blog Dingxiang multi-user online customer service system is an enterprise-level real-time website communication system. website visitors only need to click the dialog icon on the webpage without installing or downloading any software, you can

Http://gnu-linux.org/xmpp-integration-with-asterisk.htmlXMPP stands for extensible Messaging and Presence Protocol, its a widely used communication Protocol. In this blog I'll use the OpenFire an opensource XMPP server.Asterisk is opensource

However, some cases only need to pass a few files, and the file volume is not too large, in this case, the use of components is a bit of a nut to kill chicken feeling, through the HTML form can realize the required functions, the key is the

function Ip2num (SIP) Dim str1,str2,str3,str4 Dim num Ip2num=0 If IsNumeric (left (sip,2)) Then Str1=left (Sip,instr (SIP, ".") -1) Sip=mid (Sip,instr (SIP, ".") +1) Str2=left (Sip,instr (SIP, ".") -1) Sip=mid (Sip,instr (SIP, ".") +1) Str3=left

Pure IP Database Rotation Network database ASP script Go to the pure website download IP database, at the same time with the database of the query program (Showip.exe) with online detection and upgrade the IP database function, as long as the

However, some cases only need to pass a few files, and the file volume is not too large, in this case, the use of components is a bit of a nut to kill chicken feeling, through the HTML form can realize the required functions, the key is the

Required hardware and software environment and connection mode Required hardware and software environmentThis test used two E1 cards, respectively, te110p and te210p, according to the instructions on the card to jump into the E1 mode.Two machines,

The current communication methods are inseparable from the IP network. To combine the two, you must use the gateway. Now let's talk about the knowledge of Cisco's unified voice gateway. Which models are available in these products, and what are the

[2001] Type=friend context=localsets host=dynamic Nat=yes Canreinvite=no secret=123456 dfmfmode=rfc2833 Disallow=all Allow=ulaw Allow=alaw allow=h263 Description (1) the type of TYPE:SIP. Format: Type =user|peer|friend. peer is used to authenticate

Part 3rd Infrastructure attacks Set the wireless card to "listening" status to identify which wireless network is active. With the help of "Aircrack-ng"-a wireless Network monitoring toolkit, the ability to intercept the 802.11 wireless

1. OverviewSoftswitch is a technical system that separates services from call control, call control, and bearer to provide telecom-level services to users. Through in-depth understanding and analysis of softswitch, we found that the architecture of

Recently, various attacks against VoIP voice gateway devices have frequently occurred, causing many troubles and economic losses to customers. In order to further prevent the VOIP Voice Gateway from being compromised by a network attack or attack,

We should all know about VoIP. This low-cost network communication method has always been favored by everyone. As a support for this service, the security of the VoIP protocol is extremely worrying. At present, there are four major security issues

Currently, VoIP faces security issues of four main: blocking service (DoS) attacks, illegal access, charges fraud or eavesdropping threats. and VOIP protocol security is not negligible pain. Information security experts will warn you that if you do

The Softswitch device has become one of the important devices in the networking device. Here we mainly introduce the detailed analysis of key routing technologies of the softswitch device. Based on the DNS system, ENUM mainly draws on the basic idea

I found a very good sip Forum: Huisi Communication Technology Forum Http://www.citiy.com A series of slides for SIP This handout is copyrighted by Zheng Yu. Allows copying, distributing, and customization under "GNU Free

/** function is used when the network layer receives an ARP request*/ int ARP_RCV (struct sk_buff *skb,/* received packet buffer pointer * *struct Net_device *dev,/* receive the ARP packet's NIC device structure * *struct Packet_type *pt/* Capture