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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. What are the commands to configure SIP phones in CME?
Mobile Connect
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
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
Apply voice-class codec

2. 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
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
...
Dtmf-relay h245-alpha
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify

3. Where can you find the command to restore any of the default IP Phone Services if they happen to have been deleted?
In the CUCM 7.0.1 Release Notes ... search for restore.
Allows you to transfer by only pressing the Transfer button once.
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
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.

4. What is Phone NTP Reference used for?
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
To notify SIP Phones of NTP
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
sh ephone reg|and|debug voip dialpeer

5. What is CSIM?
Debug isdn q931
#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
Call Simulator. You can use to validate path from router to the PSTN.
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

6. 'If you want to make changes to any softkeys where do you do it?
SIP Route Pattern over a SIP Trunk.
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.
CUCM OS Administration Settings --> NTP Servers

7. What are the commands to create vlans on an ESW?
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
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
(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
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.

8. What are the base telephony-service commands for CME?
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 ....
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
#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

9. How can you confirm the MGCP GW is registered to CUCM - in IOS?
Master/Slave relationship. CUCM controls it.
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
Call forwarding between voip to voip (when CUBE is in play)
Sh ccm-manager

10. What are two caveats to using the ccm-manager config server</ip> command?

#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
Bandwidth
Reroute when there is a WAN Outage.

11. How do you prioritize route groups?
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.
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
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
Put them in a route list.

12. SNR is also known as?
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
#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
Mobile Connect
Automatically configures the MGCP GW for you.

13. What are the commands to set up the PRI?

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14. How do you prevent toll fraud on CME?
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
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
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 ....

15. How do you configure CUCM redundancy on an H323 gateway?
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
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
#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

16. Calls coming from CUCM to PSTN need what?
Outbound dial-peers
#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
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
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 .)

17. If you need terminate and reoriginate all calls through the CUBE - what do you need to do.
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Outbound dial-peers
SIP Dial Rules
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

18. What does KPML do?
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Via the voice hunt-group parallel command
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
In the CUCM 7.0.1 Release Notes ... search for restore.

19. If you're using Called/Calling Party Transformations at the Route Pattern - what happens if you do Digit manipulation at the route list?
The Called/Calling Transformations are superceded.
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
Auto Call Pickup Enabled

20. 'How do you inform a SIP phone of NTP information?
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

'Use before the ... so XXXX
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group

21. On a gatekeeper trunk - how do you ensure the Sub is used as primary and Pub as backup?
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
SIP Route Pattern over a SIP Trunk.
CUCM Service Parameters --> Call Park Reversion Timer

22. What's the best way to do digit manipulation on an IOS gateway?
#voice service voip| #no supplementary-service h225-notify cid-update
SIP Route Pattern over a SIP Trunk.
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
voice translation-profile|and|voice translation-rule

23. How do you create a trunk on the switch side?
Matches any length dialed number and truncates it to 4 digits.
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
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

24. What is the Service Parameter to allow the phone that is picking ip to auto answer?
Auto Call Pickup Enabled
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
Sh ccm-manager
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs

25. If the PSTN is presenting on channel 1 - should you configure CUCM to search 'top down' or 'bottom up'?
Top Down means that channel 1 will be the first channel used to place outgoing calls.
Sends the Calling Name.
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
Bottom up - to prevent glare.

26. How do you configure SIP phones to be able to call other SIP phones via SIP URI?
To notify SIP Phones of NTP
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
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
SIP Route Pattern over a SIP Trunk.

27. Is the order of the MRGs in an MRGL significant?
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
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.
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)

28. When do you do digit manipulation at the route pattern as opposed to the route list?
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
(config)#voice register dialplan
When multiple sites use the same route pattern - do your digit manipulation on a route list.
Sh ccm-manager

29. How do you configure a SIP Trunk? (router side)
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
(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
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
TRUE

30. How do you prevent H323 caller-id updates to CUCM
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
Dial-peers
#voice service voip| #no supplementary-service h225-notify cid-update
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name

31. When using drop-through-option What is the max number of huntgroups?
SERVICE PARAMETER> Automated Alternate Routing Enable > True
SIP Dial Rules
#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
1 ... this is not optional!

32. What are the steps to configure Single Number Reach and Mobile Voice Access?
Max-dn|max-ephone|ip source-address
Outbound dial-peers

(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

33. What is the Enable Enterprise Feature Access Service Parameter used for?
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
(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
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
To enable two-stage dialing.

34. In Gatekeeper CAC how do you restrict a specific endpoint?
Mobile Voice Access
#after-hours block pattern
Debug ephone moh
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones

35. What should you configure before entering auto qos?
(config)#voice register dialplan
Bandwidth
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 ....
At the CLI: utils ntp status

36. How do you enable AAR?
sh ephone reg|and|debug voip dialpeer
SIP Dial Rules
SERVICE PARAMETER> Automated Alternate Routing Enable > True
CUCM - Partitions and Calling Search Spaces||CME - COR Lists

37. How do you configure class of service (CoS) in CUCM? CME?
(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
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
Bottom up - to prevent glare.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.

38. How do you setup AutoRegistration in CUCM?
Put them in a route list.
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP
Reroute when there is a WAN Outage.
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.

39. How do you allow H323 calls to be preserved should the primary H323 GW fail?
CUCM OS Administration Settings --> NTP Servers
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
CUCM Service Parameters --> Call Park Reversion Timer
Ccm-manager music-on-hold

40. 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?
24kb/s
'Use before the ... so XXXX
Single Number Reach (Mobile Connect)
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).

41. 'If you're not getting a DHCP address from CUCM what then?
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
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
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable

42. What are the commands to configure an H323 GW?
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
#voice service voip| #no supplementary-service h225-notify cid-update
#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
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

43. How do do configure TEHO?
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
CUCM Service Parameters --> Call Park Reversion Timer
IP Voice Media Streaming App
(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. What is SIP URI?
(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
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
Phone number followed by domain name.|i.e. 3006@ipxcme.com
CUCM Service Parameters --> Automated Alternate Routing Enable --> True

45. When configuring a Gatekeep-controlled trunk - what do you do with the Wait for Far End H.245 TCS option?
#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
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
In the CUCM 7.0.1 Release Notes ... search for restore.
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.

46. What types of digit manipulation can you perform at the route pattern?
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Bandwidth
Service Parameters --> Mobile Voice Access Number

47. What are the commands to create the L3 routing interface for VLANS (SVI)?
Sh ip rsvp reservation||sh sccp connections
24kb/s
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
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

48. With the gw-priority command - does higher or lower priority take precedence?
Higher
(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
Device Pool Locations
Mobile Voice Access

49. When it comes to H323 gateways - what should you always change - unless explicitly told not to?
Automatically configures the MGCP GW for you.
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au

50. Two useful troubleshooting commands for CUCME?
sh ephone reg|and|debug voip dialpeer
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable
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
Need to Know||Anytime you have an external call - it needs to match on a route pattern.

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