Calls from mobile phone

To use IP-telephony(VoIP) service from Zadarma project by mobile phone all that you need is quite good Internet access quality. There are three kinds of connection which are good for our service:

• 3G connection
• Wi-Fi connection
• GPRS Edge connection

At that GPRS connection is not always can provide good communication quality to transmit voice, in that case we advice You to use CallBack service.

To start using Zadarma service you have to pass free registration. After registration You will get 0,5 $ on Your account for test calls.

Phones with Android OS

For phones with Android OS we offer to use our own program.

Zadarma program for Android is easy and comfortable to use and has next functions:

• outgoing and incoming calls both through Zadarma and other SIP services
• sending and receiving of free text messages between users of Zadarma network
• SMS sending to any country of the world by lowest prices
• real-time account balance display
• big variety of speech compression methods (codecs 729 speex an others) will provide quality on any channel
• automatic integration with phonebook

To install Zadarma program You can download it here, or get the link by SMS, for that enter Your number below:

Setting instructions and answers for questions about the program are given in section FAQ.

Nokia phones (OS Symbian)

Most of Nokia smartphones have in-built support of IP-telephony, as for example Nokia E- and N-series, which have integral VoIP support, for some of them software update is needed. How to adjust connection to Zadarma you can read here.

If your phone does not have integral SIP client, You can install external program for calls.

Popular program IP telephones:

• Zadarma SIP
  for Android
• Nimbuzz
  Supports the majority of phone models
• Fring
  Supports the majority of smartphones models
• PortSIP
  for Windows Mobile

Directions for installation and setup of these programs You can find in the section WIKI-Zadarma