AFROTOP Brazil
- Voip consulting
- Call Routing VoIP Solutions
- Cisco Systems
- Custom Open Source Billing Solution
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.
Australian Marketing and Development Company Limited
AMD Limited is a next Generation Telecom Service Provider specializing in wholesale and retail voice Aggregation Services and providing its own voice retail offerings. We have a strong focus on Middle East market. We are backed b a strong technology infra
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