After the download of application from Google Play or iOS market please use the QR code below. The SIP account will be set automatically, then fill in only your username and password. You can also visit Zoiper page.

You can also check the settings as shown below 

And on the "Listening ports" tab, set Local RTP Port to 10,000 (clear the Random Port setting)

Mobile ZoIPer Setup (en)

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After the download of application from Google Play or iOS market please use the QR code below. The SIP account will be set automatically, then fill in only your username and password. You can also visit Zoiper page.

You can also check the settings as shown below 

And on the "Listening ports" tab, set Local RTP Port to 10,000 (clear the Random Port setting)