You have enabled SIP Early Offers.
Which of the following is most likely the reason? (Select the best answer.)
A.
A service provider requires it.
B.
Analog audio must be compressed in the stream.
C.
Codec conversion is required.
D.
H.323 trunks are in use.
Explanation:
Of the available choices, you are most likely to enable Session Initiation Protocol (SIP) Early Offers if a public
switched telephone network (PSTN) service provider requires it. By default, Cisco Unified Communications
Manager (UCM) uses SIP Delayed Offers. UCM uses the SIP Offer/Answer model to establish SIP sessions.
SIP Offers, which are messages sent in the Session Description Protocol (SDP) fields of a SIP message,
contain information about the streams, codecs, IP addresses, and ports supported by the device. The remote
device receives the SIP Offer and sends a SIP Answer in the SDP fields of its response. SIP Early Offers are
sent by the session initiator in the SIP Invite, before the session is established. SIP Delayed Offers are sent by
the session initiator after the receiver sends its capabilities.
Delivering SIP Early Offers over SIP trunks is a function of Media Termination Points (MTPs). There are two
ways to enable Early Offers on SIP trunks in Cisco Unified Communications Manager (UCM): select the MTP
Required check box on the SIP trunk or select the Early Offer support for voice and video calls (insert MTP if
needed) check box on the SIP profile that is connected to the SIP trunk. If MTP is required, all outbound calls
will use MTP, as will calls operating on the same codec. If MTP is enabled as needed, it is inserted if the trunk
is incapable of sending complete information about its media capabilities in the SIP Invite message.
Converting digital audio from one codec to another is a function of a transcoder. Transcoders enable
communication between devices that support dissimilar audio codecs. For example, a transcoder can translate
a G.729encoded packet to a G.711encoded packet and vice versa. Transcoders translate the data stream in
real time between two devices so that no audio delay is experienced by either endpoint.
Sampling, encoding, and compression of analog audio is a function of a digital signal processor (DSP). DSPs
execute the steps required to convert an analog voice signal to digital packets, which allow voice data to
traverse a Voice over IP (VoIP) network. There are four steps involved in converting analog audio data to digital
audio data: sampling, quantization, encoding, and compression.
Providing connectivity for SIP devices and H.323 devices is a function of a UCM’s SIP trunks and H.323 trunks,
respectively, not of MTPs. UCM supports both SIP trunks and H.323 trunks.https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/9x/uc9x/trunks.html#wp1126439
https://www.cisco.com/c/en/us/td/docs/voice_ip_comm/cucm/srnd/7x/uc7_0/trunks.html#wp1045957
New 210-060 Exam Questions and Answers Updated Recently (9/Jan/2018):
NEW QUESTION 238
A manager is generating bill reports for a particular user. Which navigation sequence must be used for this task?
A. Bills > Department
B. User Reports > Bills > Department
C. Bill > Individual
D. User Reports > Bills > Individual
Answer: D
NEW QUESTION 239
An engineer must ensure that user data is maintained in lightweight directory access protocol and copied to Cisco Unity Connection, but Cisco Unity Connection-specific data is locally maintained in the Cisco Unity Connection database. Which user creation option accomplishes this task?
A. bulk administration
B. import from CUCM via AXL
C. import from LDAP
D. manual creation
Answer: A
NEW QUESTION 240
An IT administrator must allow a customer service department supervisor to change or modify a recorded message on their phone system. Which role is needed to accomplish this?
A. Greeting Administrator
B. Recordings Administrator
C. Remote Administrator
D. Annunciator Administrator
Answer: D
NEW QUESTION 241
Which component allows Cisco Jabber to communicate with clients who are outside the corporate network?
A. Cisco Extension Mobility
B. Cisco TMS
C. Cisco Mobility Remote Destination
D. Cisco Unified RTMT
E. Cisco Mobile and Remote Access
Answer: A
NEW QUESTION 242
A voice engineer has installed an XML-based phone application from a third party and subscribed a user’s 7945 IP phone to the application. Which action does the user take to launch the new service on the IP phone?
A. Select the Applications button on the 7945 IP phone.
B. Select Settings > Applications.
C. Select Settings > Network > Applications.
D. Select the Services button on the 7945 IP phone.
Answer: D
NEW QUESTION 243
An administrator must keep CDR data for a longer period of time and wants to modify the configured value of the CDR/CMR Files Presentation Duration Days. Which menu options does the engineer navigate?
A. Unified CM Administration > System > Enterprise Parameters
B. Unified Serviceability > Tools > Serviceability Reports Archive
C. Unified CM Administration > Call Routing > Route Plan Report
D. Unified Serviceability > Tools > CDR Management
Answer: A
0
0
NEW QUESTION 244
IP WAN failure has occurred. Which two configurations must be made to allow calls to or from an IP phone at a branch location to complete to a destination outside of that branch? (Choose two.)
A. Survivable Remote Site Telephony is configured on the branch router.
B. LAN failover configuration is set to Survivable Remote Site Telephony.
C. Call Forward UnRegistered option is configured on each branch phone profile.
D. POTS WAN failover is set to Survivable Remote Site Telephony.
E. An ISDN is configured as a primary survivable backup site.
Answer: CE
NEW QUESTION 245
A voicemail user reports that he cannot access Cisco Unity Connection from the IP phone message button. Which option must you perform to resolve the problem?
A. In Cisco Unified Communications Manager, navigate to Advanced Features > Voicemail to confirm that the user has the correct voicemail profile.
B. In Cisco Unified Communications Manager, navigate to Device > Phone to confirm that the device has the correct voicemail profile.
C. In Cisco Unified Communications Manager, navigate to Device > Phone to confirm that the directory number has the correct voicemail profile.
D. In Cisco Unified Communications Manager, navigate to User Management > End User to confirm that the user has the correct voicemail profile.
E. In Cisco Unity Connection, navigate to Users > Users to confirm that the user web password is correct.
Answer: C
NEW QUESTION 246
A user reports that during calls they hear excessive hissing when neither party is talking. Which option is one cause of this noise?
A. QoS
B. LoPS
C. VAD
D. EPL
E. SRST
Answer: C
NEW QUESTION 247
What are three ways for an administrator to create users in Cisco Unity Connection? (Choose three.)
A. use the Bulk Administration Tool
B. import from Cisco Unified Communications Manager Express
C. import from a Microsoft Word document
D. import from an Adobe PDF document
E. use manual creation
F. import from a Microsoft Outlook contacts list
G. import from LDAP
Answer: ABG
0
0
By the way, part of the new 254Q 210-060 dumps are available here:
https://drive.google.com/open?id=0B-ob6L_QjGLpfnVuLUxTSlNxTUNBQ1N3SUstc29mY3JEOW9tZ1VXaFJwclpyU0l6NkhNZEE
Best Regards!
0
0