Telephone allows you to make phone calls over the Internet or your company network. If your phone line supports SIP protocol, you can use it on your Mac instead of a physical phone anywhere you have a decent network connection.
• Contacts autocomplete
• Multiple accounts
• Sending tone signals (press numbers on the keyboard when call window is active)
• Call history
• Call waiting
• Making calls by clicking sip: and tel: links
• TLS and SRTP encryption
Telephone Pro is a subscription that unlocks the full call history, allows 30 simultaneous calls, and supports ongoing app development. The subscription has a monthly and a yearly option. The prices are displayed in Telephone’s storefront at the time of purchase. Payment will be charged to your iTunes account and auto-renews unless disabled in your iTunes account settings at least 24 hours before the end of the current period. The subscription can be managed in your iTunes account settings.
To set up Telephone and make calls you need an account at a SIP provider or at your company’s phone server.