over satellite connections
Nat and VoIP
QoS-Quality of Service
Packetcable
Fax and VoIP
VoIP codecs
VOIP Bandwidth requirements
How to debug and troubleshoot VoIP
VoIP sites: VoIP
communicate with each other, it is bound to establish an interoperability interface and pipeline, and the media Gateway and Gateway Manager Act as the intermediary of the color angle, because they have the media data stream and IP packets into different networks to support the various protocols.
Its operating principle is that the media gateway first converts voice to IP packet, and then to the media Gateway controller to control the management, and determine the IP packet in the network trans
Every organization that is considering deploying a VoIP Phone System has heard the same terrible warning: "routing voice calls over the data network will expose the call content to eavesdroppers ".Although in fact, any phone call is at risk of being eavesdropped to some extent, is the VoIP call system itself at a high risk? In this article, we will explore the ins and outs of
Too many VoIP service providers want to sell you their "full solution", from the phone number on your desk, from different sites to the WAN and public exchange Telephone Network (PSTN).
However, as I have seen, Unless users and suppliers have full experience and thoroughly checked every detail, the so-called "full set of VoIP systems" will certainly make some mistakes.
Enterprises that have trouble with
In the current network communication, the Email service is no longer the preferred communication method. More instant messaging and voice services are emerging on the network. Now let's talk about the technical principles of VoIP for IP phones.Basic transmission process
The traditional VoIP telephone network transmits voice in a circuit exchange mode. The required transmission bandwidth is 64 kbit/s. The so
1 Introduction
At present, the telecom operation mode is facing a huge change. The traditional telecom business is undergoing profound changes in terms of concepts, technologies, businesses, investment, management and services. The new communication mode will be unified to the IP address. The VoIP (Voice over IP) uses the speech compression encoding technology, the grouping real-time transmission technology and the Control Protocol (RTP/RTCP) the tech
How can I test the VoIP function with an existing PBX or key-press system?
There are multiple ways to use the existing PBX system or key-press system to test the VoIP function. How to test the function depends on your purpose.
If there are two sites connected with PBX connection lines, but you want to use VoIP so that you can send calls between internal network
It runs as follows: Gullible users receive an e-mail (or a phone call), are told that his credit card information is being stolen, and then let him quickly dial a phone number. This phone will have computer-made voice prompts, let him enter credit card number and other authentication information and so on.
Security Policy for VoIP
Have you ever heard of the latest VoIP fishing trick-vishing's notoriety?
Absrtact: In recent years, with the development of technology VoIP gradually replaces the traditional long-distance business of the corresponding demand for VoIP business monitoring is also applied.
At present, more equipment is often through the router firewall and other modified but to meet the OC192 wire speed requirements of the equipment is often very high for the entire network of comprehensive monit
Background information
One feature of VoIP-type apps is the need to keep running in the background to be able to receive incoming calls at any time. Because of this special mechanism that the system provides to the VoIP process, we are unable to completely kill the VoIP process by killing command directly. For more detailed information on this point, refer to th
Pjsip is an open source SIP protocol stack. It supports a wide range of SIP extensions and is arguably one of the most popular sip stacks. It implements SIP, SDP, RTP, STUN, turn, and ice. PJSIP provides a very clear API as well as NAT traversal capabilities as a SIP-based multimedia communication framework. Pjsip is very well-ported and supports almost all today's systems: from desktop systems to embedded systems to smartphones. Pjsip also supports voice, video, status rendering, and instant me
Relationship Management) system closely with, In order to maximize customer satisfaction and loyalty to enterprises to bring more business opportunities. Whether it is internal communication, or communication between enterprises and customers, it will be a huge application field of fusion communication.
Converged Communications Service is based on the ability to provide voice, data, video and multimedia business information and communication technology to carry out a full range of business ser
When the enterprise consolidates the data center and voice technology, it may consider the environmental conditions to meet the needs of the new equipment, but when the enterprise switches from TDM to IP, it is often neglected to meet the needs of the wiring room.
When you deploy IP phones to the desktop, users will soon face the same problems as local broadband providers, which may cause the system to fail to function properly, or to invest at a higher cost. The main problem is how to power a
The Cisco SIP VoIP architecture solution provides users with many services. The table lists various IP telephone services that can be implemented by Cisco SIP VoIP Architecture solutions.Cisco SIP VoIP architecture solution ComponentsThe Cisco SIP VoIP architecture solution consists of the following elements:Sip ip tel
High quality: KC Network telephone, independent intellectual property IP VoIP Network telephone voice engine technology, the international leading quality comparable to traditional telephone calls.Very practical: KC computer software/mobile software download, the use of computer calls, Internet phone calls, mobile phone calls, such as the way to provide.Super Save money: The provision of internet telephone free 60 minutes, domestic long-distance to 5
VoIP is a blockbuster in the communication market. Why? Because the price of VoIP is very low, it is very convenient to use, because this network-based technology is very expensive and has many advantages. Do you want to know more about VoIP phones? Go to the following link.
Since its first launch in 1995, VoIP has bec
There are some problems with the H.323 Protocol (only a limited MCU is not supported for multicast; its IP telephone network still needs to go through the Local PSTN Circuit Switching Network at the access end), and then MGCP is customized, the purpose is to break down H.323 functions into two parts: Media Gateway (MG) responsible for media processing, and the Media Gateway controller (MGC) that controls call establishment and control.
Four elements of the
VoIP has many security risks and faces many security threats, but this does not mean that the security of VoIP is irretrievable. In fact, with the frequent occurrence of security events, many VoIP manufacturers are also accumulating experience in practice and using some measures to guarantee the security of VoIP to a g
So far, we have not seen large-scale attack events in the already used VoIP system, but this does not prove that VoIP itself is very safe, the reason is that the current scale of the VoIP system is not large enough and has not attracted the widespread attention of hackers. we can imagine that once the explosive growth of VoIP
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