ITP United States
- Internet Telephony Service Provider
- PC to Phone
- Phone To Phone
- Cisco Systems
- Billing system of own development
Cisco 7921G is a wireless IP phone bases on the Wi-Fi (ETSI; CCM/CCME UL Reqd;Battery/PS Not Included) data transfer technology.
TNZ Group Ltd.
TNZ Group Ltd. provides carrier grade VoIP services to residential and business market.
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