Onetel Bangladesh
- International VoIP Wholesale Provider
- Internet Telephony Service Provider
- Phone To Phone
- PC to Phone
- Termination
- Partnering for Origination and Termination
- Consultancy Services
- Cisco Systems
- VocalTec
- Quintum
- QBill
- Billing system of own development
This is a device allowing a user to make VoIP calls using session initiation protocol (SIP). SIP is a telecommunication technology developed as a fast, easy standard for delivering IP-based data, voice, and video communications.
Elmer Sinaza, sp z o.o.
Elmer Sinaza is a provider of TDM and VoIP phone calls. Using most recent technologies and extensive relations, Elmer Sinaza permits to cut the costs of phone calls considerably.
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