Skycall South Africa
- Hosted VoIP billing service provider
- Partnering for Origination and Termination
- Quintum
- PortaSIP
Numbers starting with 0800, 800, 1-800 are usually toll-free for the caller; the called party, however, has to cover the charges on those calls.
nexVortex, Inc.
nexVortex is an Internet Telephony Service Provider. We specialize in delivering high quality Voice over IP communication services to small and medium sized businesses using SIP Trunking.
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