Cisco
350-801 · Question #527
A collaboration engineer is troubleshooting issues with a T1 PRI. The engineer wants to confirm if the router received an ISDN Set Asynchronous Balanced Mode Extended message and responded with an Unn
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Voice Gateways and Session Border Controllers
Question
A collaboration engineer is troubleshooting issues with a T1 PRI. The engineer wants to confirm if the router received an ISDN Set Asynchronous Balanced Mode Extended message and responded with an Unnumbered Acknowledge frame. Which Cisco IOS command is used to debug ISDN Layer 2 issues?
Options
- Adebug voice q921
- Bdebug isdn q921
- Cdebug isdn q931
- Ddebug voip ccapi inout
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Topics
#ISDN PRI#Troubleshooting#Cisco IOS#Q.921