Busy Lamp Field (BLF)
Allows users tracking the condition of the other telephone or the subscriber, for example, there will appear a signal on the screen of the telephone device informing that the subscriber is on the line and is temporarily unavailable.
PBX Call Tarifficator Pro is a billing and call accounting system, helping to manage all phone traffic coming to and out of you offices switching system.
Keyhan Telecom Inc.
Keyhan Telecom Inc. is a wholesale carrier company that is specialized on termination and origination services for “mobile and landline around the globe. We are a wholesale carrier based in Toronto, Canada.
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