1. Start the application and tap Settings button in buttom right corner.
2. Select Account Settings.
2. Tap "+" sign in top menu to add an account.
3. Select SIP Account.
4. Enter your SIP account settings:
Account name: for examlpe MCN
SIP Server: SIP-domain address from registration email
SIP User ID: your SIP ID
SIP Authentication ID: your SIP ID
Password: your SIP password
Then tap the checkmark in top menu to confirm.
5. Wait for the registration indicator has became green. After it has click to your account.
6. Set Register Expiration to 2 minutes.
7. Select Preferred Vocoder below.
8. Make codec settings for used networks.
7. Select codecs for 2G/3G/4G internet connection as shown on screenshot below.
8. Also for using in Wi-Fi network.
Tap the checkmark in top menu to confirm your settings.
Your softphone is ready to use!