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VoIP

Summary

VoIP stands for Voice Over Internet Protocol.

Jenny VoIP allows you to make telephone call across an internet connection. No fixed Telkom lines necessary.

Jenny Internet manages their own VoIP server that is housed at Teraco Data Centre. All calls that are made and are receive to Jenny VoIP numbers go through this server.

How It Works:

Jenny Internet supplies the client with a VoIP account. This account is linked to a VoIP bundle that can be chosen by the client and range from R 50.00 to R15000.00.

This VoIP account consists of the VoIP username, password and the all important telephone number.

A digital VoIP phone is required to make use of the VoIP account. These VoIP phones are connected to a network where internet is available either via LAN cable or WiFi depending on the phone purchased.

The phone will receive network setting from the network, provided this function is setup on the network else these network setting would need to be programmed manually via the menu system on the phone.

The username and password is then programmed into the phone using either menu’s on the phone or via the phone’s web interface. With-in this programming you would also need to enter the Jenny Internet’s VoIP server’s address: voip.jennyme.co.za.

The phone will then initiate the connection to the Jenny VoIP server and calls can be made and received via the allocated number.

VoIP Prioritised on Jenny Internet Wireless Infrastructure

Jenny Internet has prioritised VoIP traffic on our wireless infrastructure to ensure the best voice quality possible. This means that should a customer only have a 1Mbps internet service and the users on the network are using the full 1Mbps of internet bandwidth, we will allow the VoIP traffic to exceed the service bandwidth limit.

This is only done on the Jenny Internet Wireless network as we can control traffic on our network. This cannot be achieved on an ADSL connection as we cannot control traffic on ADSL and the bandwidth is limited by the ADSL line speed.

VoIP Requirements

VoIP requires a very stable and clean internet connection to function correctly but does not need huge bandwidth to function correctly, however if there is also not enough bandwidth for the VoIP traffic, there will be break-ups and distortion in the voice quality.

VoIP quality issues on a Jenny Wireless connection can be caused by the following:

    • Bad Signal Strength
    • Low signal CCQ’s (Signal Quality)
    • Insufficient bandwidth

These are not only applicable for the link from the client to the tower the client connects to but also all the back hauls to the fibre that connects the network to Teraco. If there is packet loss or high latency on the Fibre, this will also cause VoIP quality issues.

The biggest problem with using voip on an ADSL connection is congestion and latency causing the VoIP traffic to be adversely affected.

VoIP quality issues on a Jenny Wireless connection can be caused by the following:

  • Noisy line
  • High internet traffic on the ADSL connection
  • Slow internet package
  • High Latency on the Internet Connection

 

The biggest problem with VoIP not working is that the internet is not offline. VoIP will only work if there is an internet connection.

Related Topics : Products | VoIP
Static IP

Marriam-Webster Dictionary defines:

Static:
showing little or no change, action, or progress

Public:
exposed to general view / of, relating to, or affecting all or most of the people of a country, state, etc.

IP:
Internet Protocol address

This tells us that it is an IP Address that does not change and is available to the General Internet.

What is it used for?

When customers have servers on their premises that need to be accessed from outside or they have a VPN that need connect 1 office to another, it makes their and our lives easier to manage their inbound traffic.

This will also allow them to have the full range of TCP/IP ports available for their inbound traffic.

We can also Whitelist their outbound email traffic to bypass our mail filter.

With this product, all their internet activity will reflect their Public IP address making them fully responsible for the reputation of this IP address. Should this IP address become blacklisted for whatever reason, it is solely due to the traffic coming from this customers network that has resulted in their assigned Public IP being blacklist.

Jenny Internet will assist to de-list this IP however the customer will need to resolve the issue on their network that has caused the IP to be blacklisted before we can get the Public IP de-listed.

Static Public IP vs Std Port Forwarding

The average wireless customer that has services with Jenny Internet connected to one of Jenny Internet’s towers. They get a Session IP from that tower. This is a Private IP address that is only accessible from within the borders of the Jenny Internet network.

This Private IP address can change from time to time as the session disconnect and reconnect.

When these customers access the internet, the internet will see their traffic coming from the network’s assigned IP address that they are connected to, eg.NISE network is assigned IP 154.126.208.6, normal customers on the NISE network will show the network’s IP address of 154.126.208.6. This means that all the customers on this network go out to the Internet via the same IP address.

For this customer to be-able to access services that are available on the inside of their network from the public internet, we need to create a path from the Jenny Core, through our tower infrastructure to their CPE and in turn to their internal device.

This is called port forwarding. There are only 65535 ports available on an IP address. This sounds like a lot, but certain protocols use certain ports. This becomes a problem when more than 1 customer needs to use the same port number.

Cloud PBX

What is the cloud PBX.

  • In today’s internet terms, Cloud means – “ In the internet” or “Service hosted off site, in internet.
  • PBX stands for “Private Branch Exchange”

Old School

Conventionally, a company’s PBX is box that is mounted on the wall inside the building of a company. All the telephone lines come into this PBX box. All the company’s employee’s telephones get connected to this PBX box as well.

The PBX manages all the call routing, barring, pin codes, voicemails and many other services that may be available on that model PBX.

These PBX’s are pieces of hardware specifically designed with with certain feature and restrictions. eg.

    • If you had a PBX that was 5 years old and now there is a feature on new PBX’s that you would like to make use of, you would need to replace the PBX hardware with a whole new unit that has that capability.
    • If you wanted to add an extension to the PBX for a new staff member, you would need to call the PBX technician out to run a new cable and program the PBX to get this new extension working.

New ERA.

The Cloud PBX is taking the word “decentralisation” to the max. This is taking the PBX out from the restriction of the building of the company to the greater internet. The PBX services are loaded on a server on the internet. The software that runs the PBX services is constantly upgraded and therefore new features and functions become available with these upgrades at no cost to the client.

In order to utilize the Cloud PBX service, a clean and stable internet connection is required. This Cloud PBX can be used at any site with a clean and stable internet connection. This breaks down the barrier of connecting multiple branches together with their telephone system.

Advantages for Companies with branches:

    • Each branch can connect to one Cloud PBX
    • Each branch can have their of extension number range
    • Calls can be transferred from Branch to branch.
    • 1 Receptionist for all branches.
    • Have an extension at the bosses house. (so you can get hold of him/her even when they at home and their cell is off)

Available Features most used:

    • Time Conditions
    • IVR
    • DID
    • Call Recording
    • Pin Codes
    • Voice Mail
    • Call Forwarding when no answer (even to a cell number)
    • Ring Groups / Call Queueing

There are other features that are available. Please can the call centre to enquire about a specific feature that you may like to use.

What do you need for Cloud PBX to work for you:

    • Clean and stable Internet connection
    • Cloud PBX subscription with Jenny Internet for the amount of Extensions that you require
    • VoIP subscription with Jenny Internet, depending on the number of lines required determines the number of voip subscriptions.
    • Each extension handset must be a SIP / VoIP capable device with the G729 codec embedded.
    • Internal network infrastructure. The handsets connect to the internet via your internal network cable infrastructure the same way your computers do.

For pricing please see the link to the Jenny Website http://www.jenny.co.za/cloud-pbx

For any other information, please feel free to contact the Call Centre Sales team on 086 145 3669 or email sales@jennyinternet.co.za. You can also send your enquiry from the Jenny Internet Website http://www.jenny.co.za/contact-us.

Related Topics : Cloud PBX | Products
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This section will explain and help you with comman tasks that you may need to perform from time to time, eg. setting up your email, voip phone, etc. For Jenny Partners, you will also find topics about completing tasks on our Dealer Front End (DFE).

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