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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. How is NTP sych setup in CUCM?
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
(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
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

2. What are the base telephony-service commands for CME?
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
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
#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

3. When a device is roaming to a different site How does it get the Roaming Sensitive Settings from the Device Pool?

Debug ephone moh
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
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.

4. How do do configure TEHO?
Call Simulator. You can use to validate path from router to the PSTN.
Master/Slave relationship. CUCM controls it.
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
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.

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

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6. How do you prevent H323 caller-id updates to CUCM
Apply it to the ephone.
'Service Parameters --> Auto Answer Timer
Put them in a route list.
#voice service voip| #no supplementary-service h225-notify cid-update

7. When setting up SIP URI where do you configure the CUCM's domain name?'
voice translation-profile|and|voice translation-rule
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name

8. What is CSIM?
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.
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
Call Simulator. You can use to validate path from router to the PSTN.
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones

9. Privacy is enabled system-wide in CUCM by default. (T or F)
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)
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
voice register pool|and|voice register dn

10. 'How do you inform a SIP phone of NTP information?
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
Precede the # with a > ... so 9011*>#
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify

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

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12. What is the Service Parameter to allow the phone that is picking ip to auto answer?
Master/Slave relationship. CUCM controls it.
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
Device Pool Locations
Auto Call Pickup Enabled

13. SNR is also known as?
Auto Call Pickup Enabled
Need to Know||Anytime you have an external call - it needs to match on a route pattern.
Mobile Connect
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

14. What is SIP URI?
Phone number followed by domain name.|i.e. 3006@ipxcme.com
'Use before the ... so XXXX
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
When they are explicitly matched in a destination-pattern in a dial-peer.

15. How do you configure a SIP Trunk? (router side)
Debug isdn q931
(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

Bandwidth

16. When using drop-through-option What is the max number of huntgroups?
Automatically configures the MGCP GW for you.
voice register pool|and|voice register dn
1 ... this is not optional!
Assign SIP Dial Rules

17. What does Display-IE do?
#after-hours block pattern
Ccm-manager music-on-hold
Sends the Calling Name.
voice translation-profile|and|voice translation-rule

18. What terminology translates to SRST?
#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>
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
Reroute when there is a WAN Outage.

19. 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
On CUCM it's identical to adding an H323 GW.
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
Mobile Connect
...

20. How do you prioritize route groups?
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
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
Put them in a route list.
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True

21. How do you allow the Calling Name to be sent to the PSTN on a router?
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.
1 ... this is not optional!
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie

22. How do you create a trunk on the router side?
Dtmf-relay h245-alpha
Put them in a route list.
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
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

23. When do you use translate called? Translate calling?
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
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)
In CUCM - configure CFUR to point to it's E164 number.

24. How do you configure phone ports on a 3750?
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 .)
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
To notify SIP Phones of NTP
Re-enter the mgcp bind control and mgcp bind media commands.

25. Name 2 commands to verify RSVP functionality.
Ccm-manager music-on-hold
When configuring TEHO.
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
Sh ip rsvp reservation||sh sccp connections

26. How do you prevent toll fraud on CUCM?
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
Sends the Calling Name.

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

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28. Need to Know||Anytime you have an external call - it needs to match on a route pattern.
Matches any length dialed number and truncates it to 4 digits.
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
Need to Know||Anytime you have an external call - it needs to match on a 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!

29. On an H323 GW - how do you adjust the timers for redundancy hunting?
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
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
In the CUCM 7.0.1 Release Notes ... search for restore.

30. What dtmf-relay type do you use for an H323 GW?
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
#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
Dtmf-relay h245-alpha

31. How do you configure an MGCP GW? (router side)
(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
24kb/s
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
(config)#voice register dialplan

32. What commands are needed to configure the voice register pool in CME?
Higher
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
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
(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

33. If you can't use a tech-prefix or default tech-prefix how do you get around the fact that CUCM does not register it's endpoint to GK?
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)
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
voice translation-profile|and|voice translation-rule
Mobile Connect

34. What is the full E164 format?
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
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
Service Parameters --> Mobile Voice Access Number
(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

35. What does rule 1 /^.*(....$)/ /1/ do?
#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
Assign SIP Dial Rules
Matches any length dialed number and truncates it to 4 digits.
When they are explicitly matched in a destination-pattern in a dial-peer.

36. How do you configure SRST?
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
'Use before the ... so XXXX
Call-manager-fallback or telephony-service mode SRST
Device Pool Locations

37. What is Mobile Voice Access?
(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
At the CLI: utils ntp status
Precede the # with a > ... so 9011*>#
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.

38. With the gw-priority command - does higher or lower priority take precedence?
...
Call Simulator. You can use to validate path from router to the PSTN.
Higher
Auto Call Pickup Enabled

39. How do you verify that NTP is working on the CUCM server?
...
At the CLI: utils ntp status
#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
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

40. Is the order of the MRGs in an MRGL significant?
Top Down means that channel 1 will be the first channel used to place outgoing calls.
Yes. The media resources in the first MRG listed will be used before media resources in the second MGR listed.
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
The Called/Calling Transformations are superceded.

41. '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
...
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
Apply it to the ephone.
voice translation-profile|and|voice translation-rule

42. What must you do for a BACD script to work on a CME router?
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
sh ephone reg|and|debug voip dialpeer

43. Where is it best to manipulate digits for inbound calls?

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44. On an MGCP GW - if you select Top Down under Channel Selection Order - What does that mean?
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Top Down means that channel 1 will be the first channel used to place outgoing calls.
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP

45. What do you need to do to activate the CME GUI?
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
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
IP Voice Media Streaming App
(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. 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
Via the voice hunt-group parallel command
Top Down means that channel 1 will be the first channel used to place outgoing calls.
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.

47. What are the commands to configure NTP in IOS?
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
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
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

48. How do you configure class of service (CoS) in CUCM? CME?
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
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
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 .)
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'

49. How do you see multicast packets being sent?
In the CUCM 7.0.1 Release Notes ... search for restore.
SIP Dial Rules
Debug ephone moh
Debug isdn q931

50. How do you enable AAR?
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
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones
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.
SERVICE PARAMETER> Automated Alternate Routing Enable > True