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CCIE Voice Test

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. Where do you use VIA zone?
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
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable

2. An MGCP gateway serving as an SRST router requires what?
Debug isdn q931
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
It's best to strip digits at the voice port.
Redundant dial plan. One on CUCM and one on the routers via dial-peers.

3. In Gatekeeper CAC how do you restrict a specific endpoint?
Dial-peers
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
8kb/s
Top Down means that channel 1 will be the first channel used to place outgoing calls.

4. How do you get around relying on DNS for your CUCMs?
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary

5. Privacy is enabled system-wide in CUCM by default. (T or F)
Need to Know||Anytime you have an external call - it needs to match on a route pattern.
At the CLI: utils ntp status

TRUE

6. How do you use the # as a string terminator within a SIP Dial Rule?
Debug isdn q931
Precede the # with a > ... so 9011*>#
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)

7. What CUCM services should you activate?
Reroute when here is WAN congestion.
Dial-peers
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
(config)#service dhcp|(config)#no ip dhcp conflict logging|(config)#ip dhcp excluded-address <low IP> <hi IP>|(config)#ip dhcp-pool <name>|(dhcpconfig)#network <network name> </nn or mask>|(dhcpconfig)#domain-name <domain>|(dhcpconfig)#dns-server <IP

8. How do you configure CUCM redundancy on an H323 gateway?
#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
Automatically configures the MGCP GW for you.
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
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.

9. When are digits stripped in a gateway?
When they are explicitly matched in a destination-pattern in a dial-peer.
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
Apply voice-class codec
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

10. On an H323 GW - how do you adjust the timers for redundancy hunting?
voice register pool|and|voice register dn
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
(config)#voice register dialplan
Allows you to transfer by only pressing the Transfer button once.

11. If the PSTN is presenting on channel 1 - should you configure CUCM to search 'top down' or 'bottom up'?
Bottom up - to prevent glare.
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
(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|(config-controller)#no shut||(config)#voice service voip|(conf-voi-serv)#sip|(conf-serv-sip)#bind
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

12. What are the commands to configure NTP in IOS?
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
Debug ephone moh
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name

13. How do you use an ephone template?
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
TRUE
In the CUCM 7.0.1 Release Notes ... search for restore.
Apply it to the ephone.

14. How do you place SCCP and SIP phones into a single huntgroup?
Call forwarding between voip to voip (when CUBE is in play)
Via the voice hunt-group parallel command
#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
SIP Dial Rules

15. Maximum Wait Time for Desk Pickup?
Automatically configures the MGCP GW for you.
#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
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
Matches any length dialed number and truncates it to 4 digits.

16. How do you prevent H323 caller-id updates to CUCM
#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
To notify SIP Phones of NTP
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
#voice service voip| #no supplementary-service h225-notify cid-update

17. What is the Service Parameter to allow the phone that is picking ip to auto answer?
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie
It matches a route pattern| Which points to a route list| Which point to a route group| Which contains a GW or Trunk|*Then it needs to match on an incoming VOIP diap-peer (incoming called -number .)
Auto Call Pickup Enabled

18. On an MGCP GW - if you select Top Down under Channel Selection Order - What does that mean?
Top Down means that channel 1 will be the first channel used to place outgoing calls.
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
Assign SIP Dial Rules

19. Name 4 useful show commands for active calls.
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
sh ephone reg|and|debug voip dialpeer
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs

20. How do you configure CUBE?

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21. How do you support multiple codecs on a dialpeer?
Apply voice-class codec
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
Precede the # with a > ... so 9011*>#
Ip domain-name ipexpert.com|network-clock-participate wic 0|isdn switch-type primary-ni||controller t1 0/0/0|pri-group timeslots 1-3 - 24 service mgcp|no shut||int serial 0/0/0:23|isdn bind-l3 ccm-manager|ccm-manager mgcp|ccm-manager redundant-host 1

22. Is the + character supported on a VOIP dial-peer?

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23. What does rule 1 /^.*(....$)/ /1/ do?
Bottom up - to prevent glare.
(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
Matches any length dialed number and truncates it to 4 digits.
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files

24. When setting up SIP URI where do you configure the CUCM's domain name?'
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
'Use before the ... so XXXX
The Called/Calling Transformations are superceded.
CUCM OS Administration Settings --> NTP Servers

25. 'If you're not getting a DHCP address from CUCM what then?
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'

Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable

26. How do you test a Voice Translation Rule?
#test voice translation rule 1 <input to test>
(config)#isdn switch-type primary-net5 (or whatever's provided)|(config)#network-clock-participate wic 0||(config)#controller e1 0/0/0|(config-controller)#pri-group timeslot 1-3|(config-controller)#no shut||(config)#int s0/0/0:15 (this is created aft
At the CLI: utils ntp status
Sends the Calling Name.

27. How do you prioritize route groups?
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
Put them in a route list.
Device Pool Locations
IP Voice Media Streaming App

28. What are the commands to configure a T1/E1 PRI?
(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
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
You need pots dial-peers for incoming calls and you need a voip dial-peer pointing to the CUCM so the H323 GW and connect the call to those phones.

29. How much bandwidth does a G.729 call including layer 3 require?
24kb/s
Put them in a route list.
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)

30. How do you enable Extension Mobility for a device in CME?
Find the GUI Files - show flash | i .html|ip http server|ip http path flash:/<PATH TO FILES>||telephony service|web admin system name admin pass cisco|dn-webedit
Assign a logout-profile to the ephone.
The Called/Calling Transformations are superceded.
Phone number followed by domain name.|i.e. 3006@ipxcme.com

31. Is the order of the MRGs in an MRGL significant?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable

32. What's the difference between AAR and SRST?
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Via the voice hunt-group parallel command

33. A show isdn status shows TEI_ASSIGNED. What do you do to get MULTIPLE_FRAME_ESTABLISHED?
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
Show ccm-manager
Re-enter the mgcp bind control and mgcp bind media commands.
Sends the Calling Name.

34. How do you configure phone ports on a 3750?
#after-hours block pattern
(config)#sh cdp neigh detail
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
sh ephone reg|and|debug voip dialpeer

35. 'By Nov. 16 - 2010||I am happy confident and thankful that I am now a CCIE Voice Certified engineer! My technical knowledge of the Cisco UC portfolio is truly unsurpassed. I have opened up a wealth of opportunities for myself and my family and
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
Create 2 voip dial-peers - one the Sub and one to the Pub (the Pub with a preference of 1). Then create a voice class h323and set the h225 timeout value so it will hunt between the two.
24kb/s
...

36. How would you enable security on a GK?
Debug isdn q931
...
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow

37. What are two caveats to using the ccm-manager config server</ip> command?
#test voice translation rule 1 <input to test>

Call Simulator. You can use to validate path from router to the PSTN.
Sends the Calling Name.

38. What does KPML do?
Sends the Calling Name.
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Apply voice-class codec

39. How do you block an external call from being transferred back out to the pstn by an internal user?
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie
#voice service voip| #no supplementary-service h225-notify cid-update
Service Parameter --> Block OffNet To OffNet Transfer --> True
Matches any length dialed number and truncates it to 4 digits.

40. What types of digit manipulation can you perform at the route pattern?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
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
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
Service Parameter --> Block OffNet To OffNet Transfer --> True

41. What must you do for a BACD script to work on a CME router?
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
(config)#voice register dialplan
Call Simulator. You can use to validate path from router to the PSTN.

42. How do you allow H323 calls to be preserved should the primary H323 GW fail?
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
When they are explicitly matched in a destination-pattern in a dial-peer.
SIP Dial Rules

43. What are the commands to configure a SIP phone in CUCME?
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
Sends the Calling Name.
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
(config)#isdn switch-type primary-net5 (or whatever's provided)|(config)#network-clock-participate wic 0||(config)#controller e1 0/0/0|(config-controller)#pri-group timeslot 1-3|(config-controller)#no shut||(config)#int s0/0/0:15 (this is created aft

44. If you need terminate and reoriginate all calls through the CUBE - what do you need to do.
1 ... this is not optional!
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
#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
#test voice translation rule 1 <input to test>

45. What are the commands to create vlans on an ESW?
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
Ccm-manager music-on-hold
Automatically configures the MGCP GW for you.
Configure it on the route group through the route list - then it will be local to the route list.

46. What does the Transfer On-hook Enabled Service Parameter do?
...
On CUCM it's identical to adding an H323 GW.
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
Allows you to transfer by only pressing the Transfer button once.

47. What is Mobile Voice Access?
Need to Know||Anytime you have an external call - it needs to match on a route pattern.
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Sh ip rsvp reservation||sh sccp connections

48. How do you convert a full PRI 9config'd by ccm-manager config server) back to a Fractional PRI?
On CUCM -- UPTSAL||Create Your Users|Phone - set owner id|Create SIP Trunk|SIP Trunk Security Profile||Application Server|Licensing||||On CUPS||Work Left to right
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP

49. On the RDP What is the Rerouting CSS used for?

Single Number Reach (Mobile Connect)
CUCM Service Parameters --> Call Park Reversion Timer
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup

50. What commands are needed to configure the voice register pool in CME?
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

Use the alias static configuration||alias static (IP of CUCM) gkid (GK ID) gateway voip ras (IP of CUCM) e164 (dn) e164 (dn) e164 (dn)