Nulltel Latvia
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Voip Termination ISP
- H.323 VoIP Gateway
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- Web Call
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- Cisco Systems
- Custom Open Source Billing Solution
- IP Phone
The function of the private line eliminates the possibility of someone other than you reviewing your call details, from phone sets, which have the shared extension, additionally no one can monitor your call or connect to you call.
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