Nulltel Latvia
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Voip Termination ISP
- H.323 VoIP Gateway
- PC to Phone
- Phone To PC
- Phone To Phone
- SIP VoIP Gateway
- Termination
- Web Call
- Web To Phone
- Cisco Systems
- Custom Open Source Billing Solution
- IP Phone
The external call transfer – is the call transfer to a telephone line other than the company’s telephone line. The internal call transfer – the transfer of an incoming call to another addressee registered on the same telephone line.
Abacus Computer Servcies, Inc
Fax, SMS, Callback, Callthru, SIP-Calling worldwide.
Installation and maintenance of easy to complex Asterisk servers. Hosting of Asterisk Servers.
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