A VoIP (Voice over IP) system consists of the following components:
VoIP phones (Voice over Internet Protocol) are usually connected to a computer network with an Ethernet network port. These phones encode conversations and send and receive them as data packets.
VoIP phones (phones over the Internet) are registered with a username and password on the telephony server so that they can receive calls.
A telephone gateway is usually used to connect to the landline telephone network (analog or digital).
This gateway connects to telephone lines on one side and to the network on the other side with an Ethernet port.
Advantages:
- Reducing call costs
- Optimal use of bandwidth and transmission channels
- Reducing system maintenance costs
- Usable for all media including audio, video and data
- Ability to increase capacity at low cost
- CRM connectivity
- Possibility of communication between telephone subscribers and computers
- Combining all services such as e-mail, voice mail and integrating services
Designing and implementing VoIP services generally includes the following:
- Setting up an IVR service to connect city lines with the organization’s extensions.
- Setting up audio and video conference room services
- Providing comprehensive documentation and training after the completion of each project
6 important steps in implementing VoIP (telephone over IP):
Network administrators will learn a six-step process that will transform their managed networks into a platform for delivering VoIP services.
The goal is to overcome the challenges that make transporting voice traffic over less-than-optimal local area networks risky. Therefore, following this path is essential to ensuring the success of enterprise VoIP projects.
IP-based telephone conversations are fundamentally different from data communications, and the quality of these conversations is closely related to network performance. Any delay in network-level exchanges will result in a noticeable loss of quality. Network administrators’ commitment to improving the efficiency of LANs, wide area network access lines and equipment, and the use of quality management and control tools is a prerequisite for the success of VoIP (telephone over the Internet) projects.
Basically, the problems of IP-based telephone communications fall into three groups:
- Network problems
- Equipment configuration and signaling inconsistencies
- Problems with analog telephone interfaces
Step One: Includes resolving these problems and examining them in the initial steps of implementing and designing VoIP (telephone over the Internet).
Step 2: Review the existing WAN capabilities
Many of the quality issues related to VOIP (Voice over Internet Protocol) calls occur due to limited WAN bandwidth or VPN network as an alternative. At this stage, the designer is faced with some questions, the answers to which are the beginning of the implementation steps:
What is the bandwidth limit between network points?
How much data traffic is carried in both peak and average cases?
How does increased telephone traffic affect the performance of data applications?
And other questions like this…
Step 3: Ensure the LAN is ready
In this step, an attempt is made to separate telephone and data traffic using the Virtual Local Area Network (VLAN) technique. Of course, there is a possibility of problems in this case as well. If a wireless LAN is used, a solution must be found to eliminate its negative effects on telephone communications.
Step 4: Ensure the readiness of the communication platform between sites
Many performance problems can be prevented by properly implementing the second step, which is to consider the appropriate bandwidth. The Kian Pardaz Hooshmand design team ensures the necessary conditions by conducting tests.
Step 5: Communicate with service providers
It is necessary to measure the service level according to the parameters related to VoIP performance, especially those that are most problematic.
In the new SLAs that are being prepared specifically for VoIP services, the distribution of packet loss and the impact of delay fluctuations are taken into account, and the quality of telephone calls is guaranteed as a key parameter in the list of specifications.
Step 6: Define Performance Management Architecture and Tools
Performance and fault management architecture is a requirement of the network maintenance process that must be prepared before implementation.
