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350-801 · Question #87

Refer to the exhibit. An engineer is troubleshooting why PSTN phones are not receiving the caller's name when called from a remote Cisco UCM site. An ISDN PRI connection is being used to reach the…

The correct answer is A. isdn supp-service name calling. This question asks for the Cisco IOS command to ensure the caller's name is sent to PSTN phones over an ISDN PRI connection when troubleshooting missing caller name display.

Voice Gateways and Session Border Controllers

Question

Refer to the exhibit. An engineer is troubleshooting why PSTN phones are not receiving the caller's name when called from a remote Cisco UCM site. An ISDN PRI connection is being used to reach the PSTN. What must the administrator select to resolve the issue?

Exhibit

350-801 question #87 exhibit

Options

  • Aisdn supp-service name calling
  • Bisdn outgoing display-ie
  • Cisdn enable did
  • Disdn send display le

How the community answered

(21 responses)
  • A
    90% (19)
  • B
    5% (1)
  • C
    5% (1)

Why each option

This question asks for the Cisco IOS command to ensure the caller's name is sent to PSTN phones over an ISDN PRI connection when troubleshooting missing caller name display.

Aisdn supp-service name callingCorrect

The `isdn supp-service name calling` command enables the transmission of the calling party's name (Calling Name Identification Presentation - CNIP) as a supplementary service over ISDN PRI. This ensures the caller's name is included in the ISDN setup message and delivered to the PSTN.

Bisdn outgoing display-ie

`isdn outgoing display-ie` is not a standard or recognized Cisco IOS command for controlling outgoing caller name display on ISDN PRI.

Cisdn enable did

`isdn enable did` is not a standard or recognized Cisco IOS command; DID (Direct Inward Dial) is a feature, not a command to enable name display.

Disdn send display le

`isdn send display le` is not a standard or recognized Cisco IOS command for controlling outgoing caller name display on ISDN PRI.

Concept tested: Cisco IOS ISDN PRI configuration for caller name display

Source: https://www.cisco.com/c/en/us/td/docs/ios/dial/command/reference/dial_r/dr_i1.html

Topics

#ISDN PRI#Voice Gateway#Caller ID Name#Supplementary Services

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