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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. What CM Service needs to be start in Serviceability for MOH to work?
IP Voice Media Streaming App
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Debug isdn q931
Assign SIP Dial Rules

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
...
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
Auto Call Pickup Enabled
Matches any length dialed number and truncates it to 4 digits.

3. On an MGCP GW - how could you see the primary and backup CUCM servers?
Service Parameter --> Block OffNet To OffNet Transfer --> True
...
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
Show ccm-manager

4. How do you configure an MGCP GW? (router side)
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
(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
#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

5. When a device is roaming to a different site How does it get the Roaming Sensitive Settings from the Device Pool?
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
In CUCM - configure CFUR to point to it's E164 number.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.

6. Maximum Wait Time for Desk Pickup?
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.

7. What are the commands to configure a MGCP Gateway? (router)
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
Master/Slave relationship. CUCM controls it.
CUCM Service Parameters --> Call Park Reversion Timer
(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

8. When using drop-through-option What is the max number of huntgroups?
1 ... this is not optional!
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast

9. How do you convert a full PRI 9config'd by ccm-manager config server) back to a Fractional PRI?
#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
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Bandwidth

10. What are the steps to integrate CUPS with CUCM?
At the CLI: utils ntp status
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
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 OS Administration Settings --> NTP Servers

11. On an H323 GW - how do you adjust the timers for redundancy hunting?
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 ....
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
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

12. How do you set up redundancy on outbound dial-peers on an H323 gateway?
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast

13. What is the Service Parameter to allow the phone that is picking ip to auto answer?
(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
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Auto Call Pickup Enabled
CUCM - Partitions and Calling Search Spaces||CME - COR Lists

14. When a CUCM device dials a number - what happens?
SERVICE PARAMETER> Automated Alternate Routing Enable > True
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
Precede the # with a > ... so 9011*>#
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 .)

15. What is Phone NTP Reference used for?
To notify SIP Phones of NTP
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.
Configure it on the route group through the route list - then it will be local to the route list.
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

16. When using GK redundancy - what must you do to ensure both SUB and PUB use port 1720 for call-signalling.

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

(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.

18. How do you support multiple codecs on a dialpeer?
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
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
Apply voice-class codec
voice translation-profile|and|voice translation-rule

19. What are the basic ephone-dn and ephone commands?
Assign SIP Dial Rules
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
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.

20. 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
Sh ip rsvp reservation||sh sccp connections
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.
Bandwidth

21. 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
Ccm-manager music-on-hold
It's best to strip digits at the voice port.
Service Parameters --> Mobile Voice Access Number

22. How do you configure phone ports on a 3750?
'Use before the ... so XXXX
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
The Called/Calling Transformations are superceded.

23. What is the full E164 format?
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
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.

24. How is NTP sych setup in CUCM?
Call forwarding between voip to voip (when CUBE is in play)
Auto Call Pickup Enabled
CUCM OS Administration Settings --> NTP Servers
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)

25. How do you set the Call Park Reversion Timer?
CUCM Service Parameters --> Call Park Reversion Timer
CUCM OS Administration Settings --> NTP Servers
Mobile Connect
1 ... this is not optional!

26. In Gatekeeper CAC how do you restrict a specific endpoint?
To notify SIP Phones of NTP
Reroute when there is a WAN Outage.
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones

27. How do you prevent H323 caller-id updates to CUCM
Sh ccm-manager
Outbound dial-peers
#voice service voip| #no supplementary-service h225-notify cid-update
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.

28. How can you tell the difference between Proxy Line Mode and Shared Line Mode by just looking at the phone?
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Assign SIP Dial Rules
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
CUCM OS Administration Settings --> NTP Servers

29. On the RDP What is the Rerouting CSS used for?
Single Number Reach (Mobile Connect)
Automatically configures the MGCP GW for you.
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
It's best to strip digits at the voice port.

30. How do you block calls under call-manager-fallback?
(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
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
#after-hours block pattern
Bandwidth

31. What terminology translates to AAR?
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
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
voice translation-profile|and|voice translation-rule
Reroute when here is WAN congestion.

32. Calls coming from CUCM to PSTN need what?
Apply voice-class codec
Outbound dial-peers
Auto Call Pickup Enabled
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit

33. How do you enable AAR?
(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
SERVICE PARAMETER> Automated Alternate Routing Enable > True
SIP Route Pattern over a SIP Trunk.
(config)#voice register dialplan

34. How do you configure AAR?
voice translation-profile|and|voice translation-rule
SERVICE PARAMETER> Automated Alternate Routing Enable > True

1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.

35. Describe the relationship between route patterns and end devices.
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit

Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
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.

36. What are the steps to configure Single Number Reach and Mobile Voice Access?

Sh ip rsvp reservation||sh sccp connections
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

37. 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
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
...
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

38. How would you enable security on a GK?
At the CLI: utils ntp status
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.

39. How do you place SCCP and SIP phones into a single huntgroup?
Via the voice hunt-group parallel command
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)

40. If the PSTN is presenting on channel 1 - should you configure CUCM to search 'top down' or 'bottom up'?
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
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
Bottom up - to prevent glare.
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.

41. How do you configure DHCP in IOS?
(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
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
The Called/Calling Transformations are superceded.
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

42. 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
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_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)
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
...

43. 'How do you inform a SIP phone of NTP information?
When configuring TEHO.
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.
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
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

44. What command is needed on a gateway for it to invoke the DSP to convert multicast MOH stream to TDM?
...
Ccm-manager music-on-hold
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
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 ....

45. How do you block an external call from being transferred back out to the pstn by an internal user?
(config)#sh cdp neigh detail
Service Parameter --> Block OffNet To OffNet Transfer --> True
SIP Route Pattern over a SIP Trunk.
(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

46. What does rule 1 /^.*(....$)/ /1/ do?
...
Matches any length dialed number and truncates it to 4 digits.
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
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

47. How would you verify that DHCP is working in IOS?
In CUCM - configure CFUR to point to it's E164 number.
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 ....
#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
(config)#sh cdp neigh detail

48. 'If you want to make changes to any softkeys where do you do it?
It's best to strip digits at the voice port.
Put them in a route list.

Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

49. How do you configure SRST?
Call forwarding between voip to voip (when CUBE is in play)
Call-manager-fallback or telephony-service mode SRST
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.

50. How do you configure a gateway to register with gatekeeper?
#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
Sh ccm-manager
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Mobile Voice Access

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CCIE Voice Test

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