Call Waiting With Caller ID
Call waiting with “Caller ID” uses a special signal in order to warn you about an incoming call, during another call there are shown the name and number of the calling subscriber on the display. The function also allows switching between two calls.
GXW4024 is a high density VoIP gateway, based on SIP standards and compatible with large number of IP PBX softswitch systems.
Mainberg Limited
Mainberg is a wholesale carrier of International Long Distance Voice that provides A-Z termination service
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