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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 set up the PRI?

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2. 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?
SIP Dial Rules
Device Pool Locations
Higher
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).

3. Calls coming from CUCM to PSTN need what?
Put them in a route list.
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 ....
Outbound dial-peers
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

4. What are the commands to create vlans on an ESW?
Mobile Voice Access
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
Automatically configures the MGCP GW for you.
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit

5. What should you configure before entering auto qos?
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
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
Bandwidth
Assign SIP Dial Rules

6. What kind of relationship does an MGCP gateway have with CUCM?
Master/Slave relationship. CUCM controls it.
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
'Use before the ... so XXXX

7. What are the 3 mandatory commands within call-manager-fallback?
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
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
On CUCM it's identical to adding an H323 GW.
Max-dn|max-ephone|ip source-address

8. How do you configure phone ports on an ESW?
SIP Route Pattern over a SIP Trunk.
#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
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
(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

9. What are the commands to configure SIP phones in CME?
To notify SIP Phones of NTP
Ccm-manager music-on-hold
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
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

10. When a device is roaming to a different site How does it get the Roaming Sensitive Settings from the Device Pool?
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
Allows you to transfer by only pressing the Transfer button once.
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.

11. On the RDP What is the CSS used for?
Assign SIP Dial Rules
Mobile Voice Access
8kb/s
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.

12. '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
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!

Call-manager-fallback or telephony-service mode SRST
...

13. How do you set up redundancy on outbound dial-peers on an H323 gateway?
Sh ccm-manager
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones

14. How do you configure AAR?
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.

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

15. What types of digit manipulation can you perform at the route pattern?
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
(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

16. Describe the relationship between route patterns and end devices.
Assign a logout-profile to the ephone.
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.
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs

17. An MGCP gateway serving as an SRST router requires what?
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Outbound dial-peers
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
1 ... this is not optional!

18. Two useful troubleshooting commands for CUCME?
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
IP Voice Media Streaming App

sh ephone reg|and|debug voip dialpeer

19. How do you setup AutoRegistration in CUCM?
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
Device Pool Locations
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP

20. If you're using Called/Calling Party Transformations at the Route Pattern - what happens if you do Digit manipulation at the route list?
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
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.
The Called/Calling Transformations are superceded.
No POTS dial-peer or no direct-inward-dial on a pots dial-peer

21. In Gatekeeper CAC how do you restrict a specific endpoint?
(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
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Gatekeeper|endpoint resource-threshold|endpoint max-calls h323id gk-trunk_2 1||The bandwidth command only allows restriction between zones

22. How do you prevent toll fraud on CME?
Call-manager-fallback or telephony-service mode SRST
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
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 ....

23. How do you verify that NTP is working on the CUCM server?
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
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
Service Parameter --> Block OffNet To OffNet Transfer --> True

24. What are two caveats to using the ccm-manager config server</ip> command?
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
#voice service voip| #no supplementary-service h225-notify cid-update
#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

25. Privacy is enabled system-wide in CUCM by default. (T or F)
#voice service voip| #no supplementary-service h225-notify cid-update
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
TRUE
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 .)

26. How much bandwidth does a G.729 call including layer 3 require?
CUCM OS Administration Settings --> NTP Servers
Precede the # with a > ... so 9011*>#
24kb/s
Call forwarding between voip to voip (when CUBE is in play)

27. What are the commands to manually configure an MGCP gateway?
#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
(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
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
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

28. 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
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.
Call-manager-fallback or telephony-service mode SRST
Call forwarding between voip to voip (when CUBE is in play)

29. What's the best way to perform digit manipulation on a route group?
Max-dn|max-ephone|ip source-address
Configure it on the route group through the route list - then it will be local to the route list.
To notify SIP Phones of NTP
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.

30. How do you create a trunk on the router side?
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
Top Down means that channel 1 will be the first channel used to place outgoing calls.
In the CUCM 7.0.1 Release Notes ... search for restore.
Redundant dial plan. One on CUCM and one on the routers via dial-peers.

31. What does rule 1 /^.*(....$)/ /1/ do?
(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
sh ephone reg|and|debug voip dialpeer
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Matches any length dialed number and truncates it to 4 digits.

32. What are the commands to configure a SIP phone in CUCME?
Re-enter the mgcp bind control and mgcp bind media commands.
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
To notify SIP Phones of NTP
Call forwarding between voip to voip (when CUBE is in play)

33. How do you create a trunk on the switch side?
voice register pool|and|voice register dn
When they are explicitly matched in a destination-pattern in a dial-peer.
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
Call-manager-fallback or telephony-service mode SRST

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

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35. 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
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
#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
IP Voice Media Streaming App

36. How do you prevent toll fraud on CUCM?
Matches any length dialed number and truncates it to 4 digits.
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True

37. How do you enable Extension Mobility for a device in CME?
Assign a logout-profile to the ephone.
Master/Slave relationship. CUCM controls it.
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Apply it to the ephone.

38. What does KPML do?
IP Voice Media Streaming App
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
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)

39. How do do configure TEHO?
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
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
(config)#voice register dialplan

40. What are the commands to create the L3 routing interface for VLANS (SVI)?
TRUE

#voice service voip| #no supplementary-service h225-notify cid-update
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

41. How do you test a Voice Translation Rule?
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
Single Number Reach (Mobile Connect)
Dtmf-relay h245-alpha
#test voice translation rule 1 <input to test>

42. What does the Transfer On-hook Enabled Service Parameter do?
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Allows you to transfer by only pressing the Transfer button once.
#voice service voip| #no supplementary-service h225-notify cid-update
When multiple sites use the same route pattern - do your digit manipulation on a route list.

43. How do you disable KPML?
'Use before the ... so XXXX
Outbound dial-peers
Assign SIP Dial Rules
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au

44. 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.
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
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
Dial-peers

45. How would you verify that DHCP is working in IOS?
Call-manager-fallback or telephony-service mode SRST
It's best to strip digits at the voice port.
Reroute when there is a WAN Outage.
(config)#sh cdp neigh detail

46. What terminology translates to SRST?
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
Reroute when there is a WAN Outage.
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
Call Simulator. You can use to validate path from router to the PSTN.

47. 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
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
Phone number followed by domain name.|i.e. 3006@ipxcme.com
CUCM Service Parameters --> Automated Alternate Routing Enable --> True

48. What does Display-IE do?
Sends the Calling Name.
Phone number followed by domain name.|i.e. 3006@ipxcme.com
Put them in a route list.
24kb/s

49. How do you enable AAR?
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
Call-manager-fallback or telephony-service mode SRST
SERVICE PARAMETER> Automated Alternate Routing Enable > True

50. How do you get around relying on DNS for your CUCMs?
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 ....
Precede the # with a > ... so 9011*>#
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs