Which two of the following signaling protocols are peer-to-peer protocols?(Choose 2.)

Which three headers are compressed by cRTP? (Choose 3.)

You are the network administrator for pass4usre.com .Your company installed a Cisco Unified CallManager cluster and a Cisco Unity voice mail platform. Users complain that the red MWI light never comes on, even when there are new voice-mail messages in the voice mailboxes. What should you do to resolve the problem? (Choose two.)

You have configured an ISR at a branch office to register as an Enhanced IOS media resource providing transcoding services. The transcoder has not been placed into a media resource group. Which statement best describes which devices will be able to utilize this transcoder?

You have received a trouble ticket from a user who could not leave a message for John Doe at extension 2001. The user stated that when the call was forwarded to voice-mail, the Cisco Unity opening greeting was played instead of John Doe’s greeting. Which three issues could cause this problem? (Choose three.)

You have received a trouble ticket stating that an IP phone is not working. When asked, the user informs you the phone is displaying the message “Registration rejected.” Which two issues are possible causes of this problem? (Choose two.)

In order for a third-party SIP phone to register with a Cisco Unified CallManager cluster, which three configuration parameters must match between the phone and the cluster? (Choose three.)

A company has migrated to a Cisco Unified CallManager IP Telephony system and is now replacing the existing voice-mail system with a Cisco Unity voice-mail system. A small group of users has been established to test the new voice mail system. The users were able to initialize their mailboxes and record greetings; however, during testing the callers were sometimes unable to leave voice-mail messages for Cisco Unity users.Which two issues could cause this problem? (Choose two.)

Your company has recently installed a Cisco Unified CallManager cluster and a Cisco Unity voice mail platform. You have received complaints from users that the red MWI light never comes on, even when there are new voice-mail messages in the voice mailboxes. Which two steps must be taken to resolve this issue? (Choose two.)

Which three capabilities cannot be configured if the default dial peer is matched? (Choose three.)