Often the most effective method of communication for a project is to talk directly to clients on the phone. It is better to provide a local phone number to the clients to ensure peace of mind and keep their costs down.
The standard procedure of dealing with Skype In calls.
- If your Skype is online, it will ring your computer.
- If your Skype is offline, it will redirect the call to your mobile / local phone.
More info at Skype.com