If you're unable to call using Bitrix24 Telephony, it may be because:

1. Your balance is too low

   Make sure you have enough credits under CRM > Add-ons > Telephony > Connection > Balance & Statistics.

   Read more in the article - Telephony charges.

   Also, make sure you have specified the correct default number for outgoing calls in Telephony settings.

2. This route is unavailable

   The phone number needs to be in the international format:

   • Country code
   • City code
   • The number itself

   It doesn’t matter if the number has any of +, ( ), - symbols, or blank spaces between digits. The system recognizes the number anyway; only digits order is important.

   Note that you may get this error if you are trying to reach a destination not listed in the Destinations and rates for Bitrix24 outbound calls.
3. There are connection problems

   If the system cannot establish the connection (either for outgoing or incoming calls), check the following:

   • Tech requirements for Telephony module.

   • It is possible that your firewall is blocking the traffic, try to switch off your antivirus system & repeat the call.

   • In case you have a problem with firewall, make sure that *.bitrix24.com address is opened. Also, you can check our telephony provider's documentation on this matter.

   • It's possible that your browser is transferring incorrectly cached file from CDN. Desktop app installation may help.