In the eSpace UC solution, analog phones can directly access U1900 series unified gateways and access the IP network through ().
The U1960 connects to both carrier A's network and carrier B's network. If all links to carrier A's network are occupied, which of the following approach is available for routing outgoing calls to carrier B's network? ( )
Which of the following statements is CORRECT about user rights level on U1900?
Which of the following statements is CORRECT about the VoIP features?
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