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The user cannot make international calls to locations like Hong Kong and Taiwan through T1 or E1

Core Issue

In some geographic locations, such as Hong Kong and Taiwan, ISDN switches require that the Sending Complete information element be included in the outgoing setup message to indicate that the entire number is included. This information element is not required in other locations.

Resolution

To resolve this issue, refer to the isdn sending-complete command on the signaling channel (D-channel).

To configure the interface to include the Sending Complete information element    in the outgoing call setup message, issue these commands in interface configuration mode for an E1 link:

  • Gateway(config)#interface serial 0:15
  • Gateway(config-if)#isdn sending-complete

This command configures the voice port to include the Sending Complete    information element in the outgoing call setup message. This command is used    in some geographic locations, such as Hong Kong and Taiwan, where the Sending    Complete information element is required in the outgoing call setup message.

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