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CCIE Voice Test

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Answer 50 questions in 15 minutes.
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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. How do you convert a full PRI 9config'd by ccm-manager config server) back to a Fractional PRI?

'Use before the ... so XXXX
Service Parameter --> Block OffNet To OffNet Transfer --> True
No POTS dial-peer or no direct-inward-dial on a pots dial-peer

2. How do you see multicast packets being sent?
Outbound dial-peers
Show ccm-manager
To enable two-stage dialing.
Debug ephone moh

3. What are the commands to manually configure an MGCP gateway?
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
Call forwarding between voip to voip (when CUBE is in play)
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
#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

4. How do you disable KPML?
Assign SIP Dial Rules
Apply it to the ephone.
(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
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files

5. '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
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
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
CUCM Service Parameters --> Call Park Reversion Timer
...

6. Is the order of the MRGs in an MRGL significant?
The name configuration field in ephone-dn and voice register dn
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False

7. What is call-forward pattern used for?
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Call forwarding between voip to voip (when CUBE is in play)
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
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.

8. 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
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary

9. What is SIP URI?
(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
Phone number followed by domain name.|i.e. 3006@ipxcme.com
#after-hours block pattern
'Service Parameters --> Auto Answer Timer

10. What is Phone NTP Reference used for?
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
Allows you to transfer by only pressing the Transfer button once.
To notify SIP Phones of NTP
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False

11. On an H323 GW - how do you adjust the timers for redundancy hunting?
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
At the CLI: utils ntp status

12. Which takes precedence Device Locations or Device Pool Locations?
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP
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 Pool Locations
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

13. 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
#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
CUCM OS Administration Settings --> NTP Servers
'Use before the ... so XXXX

14. 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 os truly unsurpassed. I have opened up a wealth of opportunities for myself and my family and
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
...
When multiple sites use the same route pattern - do your digit manipulation on a route list.
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)

15. How do you see the details of calls coming in and out of the PRI?
CUCM OS Administration Settings --> NTP Servers
It's best to strip digits at the voice port.
Debug isdn q931
TRUE

16. Two useful troubleshooting commands for CUCME?
(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
sh ephone reg|and|debug voip dialpeer
Single Number Reach (Mobile Connect)
Assign SIP Dial Rules

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

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18. How do you ensure that G.711 only is used?
Apply voice-class codec
voice translation-profile|and|voice translation-rule
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
Master/Slave relationship. CUCM controls it.

19. How do you place SCCP and SIP phones into a single huntgroup?
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.
8kb/s
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
Via the voice hunt-group parallel command

20. 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
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
#test voice translation rule 1 <input to test>
To notify SIP Phones of NTP

21. How do you set the Call Park Reversion Timer?
CUCM Service Parameters --> Call Park Reversion Timer
IP Voice Media Streaming App
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 ....

22. How do you maintain 4-digit dialing to phones that are running in an SRST scenario (WAN outage)?

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23. How do you test a Voice Translation Rule?
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
#test voice translation rule 1 <input to test>
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group

24. How do you prevent H323 caller-id updates to CUCM
#voice service voip| #no supplementary-service h225-notify cid-update
The Called/Calling Transformations are superceded.
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.

25. How do you setup AutoRegistration in CUCM?
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

Apply it to the ephone.

26. In a SIP Dial Rule how do you represent a dialed * instead of it being used as a wildcard?

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27. How do you configure a SIP Trunk? (router side)
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
(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
The Called/Calling Transformations are superceded.
Mobile Voice Access

28. What does Display-IE do?
#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
TRUE
Sends the Calling Name.
In the CUCM 7.0.1 Release Notes ... search for restore.

29. What is Mobile Voice Access?
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary

30. What terminology translates to SRST?
Higher
Reroute when there is a WAN Outage.
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
To notify SIP Phones of NTP

31. In CUCME what SIP config command is equivalent to ephone and ephone-dn?
When configuring TEHO.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
voice register pool|and|voice register dn

32. How do you configure SRST?
CUCM OS Administration Settings --> NTP Servers
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
Call-manager-fallback or telephony-service mode SRST

33. If you have an H323 Gateway at a siet where the phones are controlled by CUCM - what do you need from a dial-peer perspective?
#test voice translation rule 1 <input to test>
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.
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.

34. What does KPML do?
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Precede the # with a > ... so 9011*>#
(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
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones

35. On the RDP What is the Rerouting CSS used for?
Single Number Reach (Mobile Connect)
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
Top Down means that channel 1 will be the first channel used to place outgoing calls.
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.

36. How do you prevent toll fraud on CUCM?
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
#after-hours block pattern
When configuring TEHO.
The Called/Calling Transformations are superceded.

37. How is NTP sych setup in CUCM?
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
Apply it to the ephone.
CUCM OS Administration Settings --> NTP Servers
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow

38. On an MGCP GW - how could you see the primary and backup CUCM servers?
Show ccm-manager
...
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
#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

39. 'If you want to make changes to any softkeys where do you do it?
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

40. How do you allow the Calling Name to be sent to the PSTN on a router?
CUCM OS Administration Settings --> NTP Servers
IP Voice Media Streaming App
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie
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.

41. How do you block an external call from being transferred back out to the pstn by an internal user?
Service Parameter --> Block OffNet To OffNet Transfer --> True
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
Assign a logout-profile to the ephone.
Redundant dial plan. One on CUCM and one on the routers via dial-peers.

42. How do you configure a gateway to register with gatekeeper?
On CUCM it's identical to adding an H323 GW.
Master/Slave relationship. CUCM controls it.

#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

43. How do you configure DHCP in IOS?
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
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
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.

44. How can you confirm the MGCP GW is registered to CUCM - in IOS?
Sh ccm-manager
Mobile Connect
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify

45. What are the commands to ensure an H323 GW always uses the Sub as primary and Pub as a backup?
Dial-peers
Re-enter the mgcp bind control and mgcp bind media commands.
#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
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP

46. When setting up SIP URI where do you configure the CUCM's domain name?'
(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
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
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

47. If you're using Called/Calling Party Transformations at the Route Pattern - what happens if you do Digit manipulation at the route list?
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
It's best to strip digits at the voice port.
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
The Called/Calling Transformations are superceded.

48. Name 2 commands to verify RSVP functionality.
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.
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.
Sh ip rsvp reservation||sh sccp connections

49. What must you do for a BACD script to work on a CME router?
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
On CUCM it's identical to adding an H323 GW.

50. Maximum Wait Time for Desk Pickup?
...
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
When multiple sites use the same route pattern - do your digit manipulation on a route list.
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)

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CCIE Voice Test

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