ParamTel Canada
Wholesale Termination,Residential,Bussiness,Callshop,CallingCard
Software,DID number,Consultation..etc
- A-Z Termination
- Agent Virtualization
- Billing and Routing Solution
- call centers
- did numbers provider
- International VoIP Wholesale Provider
- SIP Billing
- VoIP Billing Software Provider
- Voip consulting
- Voip Termination ISP
- wholesale VoIP
- Wholesale VoIP Carrier
- DID Support
- H.323 VoIP Gateway
- SIP VoIP Gateway
- Asterisk
- SIP softphones
- voipswitch
- Billing system of own development
Some telephones, depending on the brand and model, have the intercom function, which allows to begin communication by sending the signal. When the signal comes, the telephone set rings a signal different from the standard ring tone call. After that the telephone temporarily switches off from the telephone line and works as an intercom.
Interphone
Interphone, is a Costa Rican company dedicated to telecommunications on VoIP, which is properly regulated and licensed (SUTEL-TH-037) by SUTEL (Superintendencia de Telecomunicaciones) to provide point to point channels, carrier IP telephony and IP telepho
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