IP Telephony and SIP Connector services are provided for Bitrix24 clients by
You can buy telephony credits inside your Bitrix24 On-Premise version (go to Telephony - Top up)
You can enable/disable the automatic balance top-up option in your Voximplant account.
Prices indicate EUR / 1 min including VAT. Exchange rate fees may apply if paid in local currencies. To make outbound calls or receive incoming calls for 1-800 numbers, you need to make a deposit to your account.
Number rental and outbound call fees are deducted from your available telephony credits. For example, if you purchase 30 € worth of telephony credits and decide to rent a local phone number, 4 € to 11 € will be deducted from your credits. The remaining 26 € to 19 € can be spent on phone calls.