A huge range of telecommunication solutions starting with the standard minute based rates and FREE worldwide VoIP telephony up to flat calling rates for different countries and destinations with your own inbound DID from more than 34 countries. For busine
A huge range of telecommunication solutions starting with the standard minute based rates and FREE worldwide VoIP telephony up to flat calling rates for different countries and destinations with your own inbound DID from more than 34 countries. For business pruposals we offer complete hosted PBX solutions, SMS, MMS und FAX - services and SIP & IAX, voicemailbox, conference calls, and much more.
The Center of the System Administration was founded in 2001, in order to satisfy the needs for IT services of small-to-medium scale organizations by providing Open Source Software solutions.
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