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Is there a limit to the number of Direct Inward Dialing (DID) or Direct Dial-In (DDI) on the UC500?

April 26, 2017ddi dial-in inward limit uc500

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Is there a limit to the number of Direct Inward Dialing (DID) or Direct Dial-In (DDI) on the UC500?

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The actual number of DIDs will depend only on what the customer’s telco provisions for the PSTN line. The number of concurrent calls supported will depend on the T1/E1 channels or Analog DID ports available, as well as the number of DSP resources available to handle to handle voice calls.