Study tips 642-427

What are three requirements for Quality of Service for voice calls?

you need to avoid choppy speech, what is the maximum tolerable round-trip delay between two VoIP endpoints?

which two statements about the called numbers and calling numbers is true?

Which course of action should be taken to resolve this issue?

Which statement is true when the roaming phone places a call to 90114989531212001#?

Which statement indicates the correct resolution or reason for the issue?

Which statement indicates how this issue is resolved?

Which change would resolve this issue?

What is the most likely cause of this issue?

Which two issues can cause a Cisco Unified Communications Manager to fail to register with its Cisco SAF Forwarder?