FAQ

A: hotspot is a place you can connect using a WiFi supported mobile phone, PDA or computer. AP can be found in airports, railway stations, service stations, cafes and more places. Some Hotspots are 'open' and you can connect to them automatically. Others are authentication required or prepaid based (see also our guide to configure a secure AP). The user must open a web browser connection on his mobile first, log in, and then run ZoneFree application to register whilst keeping the browser window open.

A: Codec is an algorithm used to encode and decode the voice conversation. Since voice and sound as we hear it is analogue, it needs to be converted (or encoded) to a digital format suitable for transmission over the Internet. Once at the other end, it needs to be decoded again so the other person can hear what you are saying. There are a variety of different ways this encoding and decoding can be done - many of which utilize compression in order to reduce the required bandwidth of the conversation.

A: G.729 is an ITU standard codec, Have two main flavors: A and B.
It offers toll quality speech at a reasonably low bit rate of 8Kbps.

A: The Session Initiation Protocol (SIP) becomes standard for VoIP. SIP defines standards for many different services including caller ID, conference calls, call forwarding and user mobility. SIP assigns users unique addresses, independent of physical location, allowing them to make and receive calls anywhere in the world.

A: Voice over Internet Protocol, also known as Internet Telephony, is the technique of routing voice traffic over the Internet. There are several technologies used to achieve this.

A: WiFi is the technology that allows wireless access to the Internet. It is a local network that you connect wirelessly and using high frequency radio signals and no cables.

A: There is non-recommended AP manufacturer. Basically you can transfer calls via any AP. the most important is to check the AP setting. Some APs are setup with additional security designed to block VoIP and/or SIP traffic, these details are required for the SIP to work. In order to use O-FONE successfully, you must ensure your AP is not blocking UDP and TCP, port 5060 and 5062 2 and has any SIP firewall deactivated.