Call Waiting
The function is available in some telephone networks and it allows receiving the other call at the moment of the actual conversation by the method of setting the active call in the waiting mode or cancellation. This will let not to miss an important call and to agree upon time when it will be possible to call back.
SIP protocol was made within IETF (Internet Engineering Task Force) – organization occupied with establishing Internet standards and general standards concerning TCP/IP protocols.
MEC Azzien
Middle East Communications Corporation (MEC) is a regional services firm with a global affiliation providing and serving the Middle East region with communications solutions. We are actively perusing licenses in several parts of the Middle East to launch
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