Study tips 642-437

which of the following called numbers will be sent to the PSTN?

which dialed digits are being sent to the PSTN?

What is the reason that an outgoing call succeeds when COR is applied to the incoming dial peer, but no COR is applied to the outgoing dial peer?

What is the reason that an outgoing call succeeds when there is no COR list that is applied to the incoming dial peer and a COR list is applied to the outgoing dial peer?

What needs to be edited in the dial peer to allow these calls to complete successfully?

How must the T1 PRI circuit be configured to support this capability?

Which codec complexity type will offer the greatest number of voice channels, provided that the complexity type is compatible with the particular codecs that are in use?

What is the impact on the DSPs if high codec complexity is configured?

Which types of voice ports allow a small office to provide outbound DNIS and inbound DID?

Which type of voice port supports immediate-start, wink-start, and delay-start followed by pulse or DTMF tones?