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Test your basic knowledge |
CCIE Voice Test
Start Test
Study First
Subjects
:
cisco
,
it-skills
,
ccie
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. What are the commands to set up the PRI?
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2. How is NTP sych setup in CUCM?
Bottom up - to prevent glare.
System Cisco Unified CM|Uncheck the box <i>Auto-Reg Disabled</i>||Enterprise Parameters --> <i>Auto Registration Phone Protocol</i> SIP or SCCP
CUCM OS Administration Settings --> NTP Servers
Voice register global|mode cme|source-address <IP>|max-dn <NUM>|max-pool <NUM>|tftp-path flash:/<PATH>|create profile||NOTE: You have to do a create profile every time you change the voice register pool
3. Where do you use VIA zone?
Apply it to the ephone.
Gatekeeper - zone local GK cisco.com 10.1.6.1 - zone local CUCM cisco.com invia GK outvia GK - zone local BR2 cisco.com invia GK outvia GK
IP Voice Media Streaming App
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
4. What do you need to do to activate the CME GUI?
Find the GUI Files - show flash | i .html|<i>ip http server</i>|<i>ip http path flash:/<PATH TO FILES></i>||telephony service|web admin system name admin pass cisco|dn-webedit
<i>voice translation-profile</i>|and|<i>voice translation-rule</i>
When they are explicitly matched in a destination-pattern in a dial-peer.
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
5. When can you not use a Standard Local Route Group?
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Debug ephone moh
Sh ccm-manager
When configuring TEHO.
6. Two useful troubleshooting commands for CUCME?
(config)#ip domain-name <NAME>|(config)#isdn switch-type primary-ni|(config)#network-clock-participate wic 0||(config)#controller t1 0/0/0|(config-controller)#pri-group timeslots 1-3 - 24 service mgcp|(config-controller)#no shut||(config)#interface s
<i>sh ephone reg</i>|and|<i>debug voip dialpeer</i>
24kb/s
To enable two-stage dialing.
7. What are the commands to create the L3 routing interface for VLANS (SVI)?
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Int vlan 130|ip address 10.10.101.1 255.255.255.0|int vlan 240|ip address 10.10.201.1 255.255.255.0
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
8. When a device is roaming to a different site How does it get the <i>Roaming Sensitive Settings</i> from the Device Pool?
Mobile Voice Access
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
To enable two-stage dialing.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
9. What does Display-IE do?
SIP Dial Rules
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Trunk Port Method (3750 or ESW)||interface fa0/1|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10|switchport voice vlan 20|spanning-tree portfast
Sends the Calling Name.
10. How can you confirm the MGCP GW is registered to CUCM - in IOS?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Sh ccm-manager
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
System Cisco Unified CM|Uncheck the box <i>Auto-Reg Disabled</i>||Enterprise Parameters --> <i>Auto Registration Phone Protocol</i> SIP or SCCP
11. In CUCME what SIP config command is equivalent to ephone and ephone-dn?
SIP Dial Rules
<i>voice register pool</i>|and|<i>voice register dn</i>
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right
Voice register dn 1|number 3001|voice register pool 1|number 1 dn 1|id mac 001b.ac02.14de|type 7961|dtmf-relay rtp-nte|description 3214-3005 !!! PHONE BANNER !!!|codec g711u
12. How do you verify where MOH is being served up from?
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13. How do you prevent toll fraud on CME?
Interface f0/0|no ip address|no shut||interface f0/0.10|encap dot1q 10 native --> !!! DATA VLAN !!!|ip address 10.10.100.1 255.255.255.0|interface f0/0.20|encap dot1q 20 --> !!! VOICE VLAN !!!|ip address 10.10.200.1 255.255.255.0
Top Down means that channel 1 will be the first channel used to place outgoing calls.
Transfer to external is blocked by default.|To ensure only transfer to internal is allowed - make sure only the following tx pattern is under telephony-service||#telephony service| #transfer-pattern ....
Ephone-dn 1 <dual / octo>|number 3001|description 3214-3001 !!! PHONE BANNER !!!||ephone 1|mac-address 001b.d4c6.ca99|button 1:1|type 7961|max-calls-per-button 5|busy-trigger-per-button 3
14. What does KPML do?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
#int lo0|#h323-gateway voip bind srcaddr [IP]||#isdn switch-type primary-ni|#network-clock-particpate wic0||#controller t1 0/0/0|#pri-group timeslots 1-3||#int serial 0/0/0:23|#isdn outgoing display-ie|#isdn b-chan selection order [use opposite of wh
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
15. If you need terminate and reoriginate all calls through the CUBE - what do you need to do.
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
16. When it comes to H323 gateways - what should you always change - unless explicitly told not to?
Max-dn|max-ephone|ip source-address
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|<i>utils csa disable</i>
17. What are the commands to manually configure an MGCP gateway?
Via the <i>voice hunt-group parallel</i> command
The <i>name</i> configuration field in ephone-dn and voice register dn
#isdn switch-type primary-ni|#network-clock-participate wic 0|#controller t1 0/0/0|#pri-group timeslots 1-3 service mgcp||#ccm-manager mgcp ccm-manager redundant-host [IP]|#ccm-manager fallback-mgcp (for srst)|#ccm-manager moh||#mgcp|#mgcp call-agent
Voice register dn 1| number 4002||voice register pool 1|id mac 0022.0022.0022|type 7961ge|number 1 dn 1|dtmf-relay rtp-nte|no vad
18. What's the best way to perform digit manipulation on a route group?
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
#voice class h323 1| #h225 timeout tcp establish 3||#dial-peer voice 3000 voip| #destination-pattern 3...| #voice-class h323 1| #session target ipv4:(SUB IP)| #dtmf-relay h245-alpha||#dial-peer voice 30001 voip| #destination-pattern 3...| #voice-clas
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
Configure it on the route group through the route list - then it will be local to the route list.
19. How do you ensure that G.711 only is used?
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec <i>Disable</i>
Max-dn|max-ephone|ip source-address
<i>sh ephone reg</i>|and|<i>debug voip dialpeer</i>
<i>voice register pool</i>|and|<i>voice register dn</i>
20. How do you set the Call Park Reversion Timer?
...
CUCM Service Parameters --> <i>Call Park Reversion Timer</i>
#int lo0|#h323-gateway voip bind srcaddr [IP]||#isdn switch-type primary-ni|#network-clock-particpate wic0||#controller t1 0/0/0|#pri-group timeslots 1-3||#int serial 0/0/0:23|#isdn outgoing display-ie|#isdn b-chan selection order [use opposite of wh
IP Voice Media Streaming App
21. How do you setup AutoRegistration in CUCM?
Assign SIP Dial Rules
Call-manager-fallback</i> or <i>telephony-service mode SRST</i>
System Cisco Unified CM|Uncheck the box <i>Auto-Reg Disabled</i>||Enterprise Parameters --> <i>Auto Registration Phone Protocol</i> SIP or SCCP
SERVICE PARAMETER> Automated Alternate Routing Enable > True
22. Privacy is enabled system-wide in CUCM by default. (T or F)
Sh ip rsvp reservation||sh sccp connections
Gatekeeper - zone local GK cisco.com 10.1.6.1 - zone local CUCM cisco.com invia GK outvia GK - zone local BR2 cisco.com invia GK outvia GK
TRUE
Transfer to external is blocked by default.|To ensure only transfer to internal is allowed - make sure only the following tx pattern is under telephony-service||#telephony service| #transfer-pattern ....
23. A <i>show isdn status</i> shows TEI_ASSIGNED. What do you do to get MULTIPLE_FRAME_ESTABLISHED?
Enable MOH on the CME.||#<i>telephony service</i>|#<i>moh music-on-hold.au</i>
Dtmf-relay h245-alpha
Re-enter the <i>mgcp bind control</i> and <i>mgcp bind media</i> commands.
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
24. How do you convert a full PRI 9config'd by ccm-manager config server) back to a Fractional PRI?
#voice class h323 1| #h225 timeout tcp establish 3||#dial-peer voice 3000 voip| #destination-pattern 3...| #voice-class h323 1| #session target ipv4:(SUB IP)| #dtmf-relay h245-alpha||#dial-peer voice 30001 voip| #destination-pattern 3...| #voice-clas
'Use before the ... so XXXX
...
25. Where can you find the command to restore any of the default IP Phone Services if they happen to have been deleted?
Gatekeeper - zone local GK cisco.com 10.1.6.1 - zone local CUCM cisco.com invia GK outvia GK - zone local BR2 cisco.com invia GK outvia GK
SIP Dial Rules
Sends the Calling Name.
In the CUCM 7.0.1 Release Notes ... search for <i>restore</i>.
26. If you're using Called/Calling Party Transformations at the Route Pattern and tranformations at the route list ... What does the RP affect and What does the RL affect?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Precede the # with a > ... so 9011*>#
Assign SIP Dial Rules
27. What are the steps to integrate CUPS with CUCM?
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
#interface vlan 130 (voice vlan)| #h323-gateway voip interface| #h323-gateway voip id BR2 ipaddr 10.1.6.1| #h323-gateway voip h323-id UK| #h323-gateway voip bind srcaddr 10.1.130.1
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
28. How do you disable KPML?
CUCM OS Administration Settings --> NTP Servers
Transfer to external is blocked by default.|To ensure only transfer to internal is allowed - make sure only the following tx pattern is under telephony-service||#telephony service| #transfer-pattern ....
Show ccm-manager
Assign SIP Dial Rules
29. Name 4 useful show commands for active calls.
Sh ip rsvp reservation||sh sccp connections
Mobile Connect
Max-dn|max-ephone|ip source-address
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
30. What is the full E164 format?
<i>h225 timeout tcp establish 3</i> within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
Higher
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
Matches any length dialed number and truncates it to 4 digits.
31. What is SIP URI?
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
Int vlan 130|ip address 10.10.101.1 255.255.255.0|int vlan 240|ip address 10.10.201.1 255.255.255.0
Phone number followed by domain name.|i.e. 3006@ipxcme.com
32. Calls coming from CUCM to PSTN need what?
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Master/Slave relationship. CUCM controls it.
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Outbound dial-peers
33. When do you use translate called? Translate calling?
<i>Auto Call Pickup Enabled</i>
...
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
Bottom up - to prevent glare.
34. What are the commands to create vlans on an ESW?
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
CUCM OS Administration Settings --> NTP Servers
Call Simulator. You can use to validate path from router to the PSTN.
Route Patterns --> Route Lists --> Route Groups --> Gateways/Trunks|RPs point to Route Lists which contain one or more Route Groups which contain one or more Gateways/Trunks.
35. How do you maintain 4-digit dialing to phones that are running in an SRST scenario (WAN outage)?
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36. How do you ensure no inter-digit timeout fro SIP phones within CUCM?
...
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
SIP Dial Rules
Call Simulator. You can use to validate path from router to the PSTN.
37. How do you place SCCP and SIP phones into a single huntgroup?
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
Via the <i>voice hunt-group parallel</i> command
Allows you to transfer by only pressing the Transfer button once.
SERVICE PARAMETER > Device Name of GK0controlled Trunk That Will Use Port 1720 > US_Trunk (or whatever you're using)||> Host Name/IP of GK That Will Use RAS UDP Port 1719 > (IP of GK) ||BE SURE TO RESTART THE TRUNK in CUCM and possibly the CUCM Servi
38. How do you prevent toll fraud on CUCM?
To enable two-stage dialing.
System Cisco Unified CM|Uncheck the box <i>Auto-Reg Disabled</i>||Enterprise Parameters --> <i>Auto Registration Phone Protocol</i> SIP or SCCP
Bandwidth
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
39. When setting up SIP URI where do you configure the CUCM's domain name?'
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
(config)#isdn switch-type primary-net5|(config)#network-clock-participate wic 0||(config)#Controller e1 0/0/0|(config-controller)#pri-group timeslot 1-3 !!!Get the PRI up!!!|(config-controller)#no shut||(config)#int s0/0/0:15|(config-if)#isdn outgoin
CUCM Service Parameters --> <i>Call Park Reversion Timer</i>
Enterprise Parameters --> <i>Organization Top Level Domain</i>|Enterprise Parameters --> <i>Cluster Fully Qualified Domain Name</i>
40. How do you block calls under call-manager-fallback?
<i>#after-hours block pattern</i>
Precede the # with a > ... so 9011*>#
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
When they are explicitly matched in a destination-pattern in a dial-peer.
41. Is the + character supported on a VOIP dial-peer?
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42. How do do configure TEHO?
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
Mobile Connect
<b>Access Port Method</b>||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Create a Route Pattern for the local site and the remote site:||RP-LOC --> PT-REM --> RL-TEHO-LOC||RP-REM --> PT-LOC --> RL-TEHO-REM
43. When using <i>drop-through-option</i> What is the max number of huntgroups?
SERVICE PARAMETER > Device Name of GK0controlled Trunk That Will Use Port 1720 > US_Trunk (or whatever you're using)||> Host Name/IP of GK That Will Use RAS UDP Port 1719 > (IP of GK) ||BE SURE TO RESTART THE TRUNK in CUCM and possibly the CUCM Servi
Default is SRST||<i>mode cme</i> changes to CME|<i>no mode cme</i> changes back to SRST
Interface f0/0|no ip address|no shut||interface f0/0.10|encap dot1q 10 native --> !!! DATA VLAN !!!|ip address 10.10.100.1 255.255.255.0|interface f0/0.20|encap dot1q 20 --> !!! VOICE VLAN !!!|ip address 10.10.200.1 255.255.255.0
1 ... this is not optional!
44. On the RDP What is the CSS used for?
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
The + character is not supported on a VOIP dial-peer.||So you'll need to add back on the POTS dial-peer before it gets to the PSTN via a voice translation-rule.
Mobile Voice Access
#isdn switch-type primary-ni|#network-clock-participate wic 0|#controller t1 0/0/0|#pri-group timeslots 1-3 service mgcp||#ccm-manager mgcp ccm-manager redundant-host [IP]|#ccm-manager fallback-mgcp (for srst)|#ccm-manager moh||#mgcp|#mgcp call-agent
45. What kind of relationship does an MGCP gateway have with CUCM?
Master/Slave relationship. CUCM controls it.
Apply it to the ephone.
Transfer to external is blocked by default.|To ensure only transfer to internal is allowed - make sure only the following tx pattern is under telephony-service||#telephony service| #transfer-pattern ....
(config)#ip domain-name <NAME>|(config)#isdn switch-type primary-ni|(config)#network-clock-participate wic 0||(config)#controller t1 0/0/0|(config-controller)#pri-group timeslots 1-3 - 24 service mgcp|(config-controller)#no shut||(config)#interface s
46. What is the bit rate for a G.729 call excluding layer 2?
Mobile Voice Access
8kb/s
#voice class h323 1| #h225 timeout tcp establish 3||#dial-peer voice 3000 voip| #destination-pattern 3...| # voice-class h323 1| #session target ipv4:10.1.5.3 (sub)| #dtmf-relay h245-alpha||#dial-peer voice 30001 voip| #destination-pattern 3...| #pre
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
47. What is the Service Parameter to allow the phone that is <i>picking ip</i> to auto answer?
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
<i>Auto Call Pickup Enabled</i>
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
When configuring TEHO.
48. What does an H323 GW require that MGCP GWs do not?
Debug isdn q931
Dial-peers
Device Pool Locations
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
49. On an MGCP GW - if you select <i>Top Down</i> under Channel Selection Order - What does that mean?
Interface f0/0|no ip address|no shut||interface f0/0.10|encap dot1q 10 native --> !!! DATA VLAN !!!|ip address 10.10.100.1 255.255.255.0|interface f0/0.20|encap dot1q 20 --> !!! VOICE VLAN !!!|ip address 10.10.200.1 255.255.255.0
Top Down means that channel 1 will be the first channel used to place outgoing calls.
Dial-peers
Master/Slave relationship. CUCM controls it.
50. <b>By Nov. 16 - 2010</b>||I am happy confident and thankful that I am now a CCIE Voice Certified engineer! My technical knowledge of the Cisco UC portfolio os truly unsurpassed. I have opened up a wealth of opportunities for myself and my family and
TRUE
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
...
Reroute when there is a WAN Outage.