350-801 Question #87: Real Exam Question with Answer & Explanation

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?

Options

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

Explanation

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.

Common mistakes.

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

Reference. 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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