Question 211
Refer to the exhibit.

Refer to the exhibit. The SDP offer/answer has been completed successfully but there is no DTMF when users press keys. What is the cause of the issue?

Refer to the exhibit. The SDP offer/answer has been completed successfully but there is no DTMF when users press keys. What is the cause of the issue?
Question 212
Which protocols does Cisco IM and Presence use to authenticate Jabber?
Question 213
An engineer must configure a cisco ISR 4000 as an MGCP gateway to download its MGCP-specific configuration from cisco UCM. Which Cisco IOS configuration snippet accomplishes this task?


Question 214
An engineer configures a Cisco UCM Survivable Remote Site Telephony (SRST) reference for a branch office. Which protocol does SRST use to allow phones to fail over and register with the local gateway during a WAN outage?
Question 215
Which dial plan function restricts calls that are made by a lobby phone to internal extensions only?
