A2Z Trading A.G. Switzerland
- International VoIP Wholesale Provider
- H.323 VoIP Gateway
- Clarent
- Custom Open Source Billing Solution
In telecommunications the automatic call-back is a computer telephone function which allows the user by the engaged addressee’s line or in the other case of the subscriber’s inaccessibility indicating the system to save the number of the called subscriber and make the call when the line will be available or when the called number is not engaged.
One Unified
One Unified specializes in consulting IP Telephone solutions for small and medium size businesses. For businesses on a tight budget but still want the all the bells and whistles, we recommend and use the Asterisk Telephone Solution. You can have the best
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