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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. With the gw-priority command - does higher or lower priority take precedence?
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
It's best to strip digits at the voice port.
Higher
Ccm-manager music-on-hold

2. How do you configure SRST?
Call-manager-fallback or telephony-service mode SRST
Sh ip rsvp reservation||sh sccp connections
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Redundant dial plan. One on CUCM and one on the routers via dial-peers.

3. What are the commands to configure SIP phones in CME?
Apply it to the ephone.
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
Single Number Reach (Mobile Connect)

4. How do you configure phone ports on an ESW?
When they are explicitly matched in a destination-pattern in a dial-peer.
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
At the CLI: utils ntp status
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow

5. What is the Service Parameter to allow the phone that is picking ip to auto answer?
h225 timeout tcp establish 3 within a h323 voice class||#voice class h323 1|#h225 timeout tcp establish 3
Auto Call Pickup Enabled
...
When configuring TEHO.

6. What types of digit manipulation can you perform at the route pattern?
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
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
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

7. In CME Where is the Calling Name derived from?
The name configuration field in ephone-dn and voice register dn
Mobile Connect

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

8. What does KPML do?
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Outbound dial-peers
Call forwarding between voip to voip (when CUBE is in play)

9. What are the steps to integrate CUPS with CUCM?
Ccm-manager music-on-hold
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
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
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

10. How do you ensure no inter-digit timeout fro SIP phones within CUCM?
SIP Dial Rules
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
1. Enable it.|2. Create AAR Group|3. Create CSS-AAR and apply at device level.|4. Apply AAR Group at line level.
In CUCM - configure CFUR to point to it's E164 number.

11. When dealing with an MGCP GW there is no intelligence on the router. How would you strip an incoming Called Number from 10 to 4 digits?
Sh ccm-manager
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Via the voice hunt-group parallel command
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.

12. What is the bit rate for a G.729 call excluding layer 2?
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
8kb/s
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.
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable

13. What would force you to use telephony-service to configure SRST?
Automatically configures the MGCP GW for you.
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!
Assign SIP Dial Rules

14. What are the commands to configure a T1/E1 PRI?
voice translation-profile|and|voice translation-rule
(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
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 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

15. What's the difference between AAR and SRST?
Higher
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)

16. If you need terminate and reoriginate all calls through the CUBE - what do you need to do.
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
1 ... this is not optional!
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
In CUCM - configure CFUR to point to it's E164 number.

17. How is NTP sych setup in CUCM?
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
Bottom up - to prevent glare.
CUCM OS Administration Settings --> NTP Servers
TRUE

18. Aside from the Media Resources --> Mobile Voice Access where else do you need to specify the the Mobile Voice Access DN?
Service Parameters --> Mobile Voice Access Number
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
Automatically configures the MGCP GW for you.
It's best to strip digits at the voice port.

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

CUCM - Partitions and Calling Search Spaces||CME - COR Lists
On CUCM it's identical to adding an H323 GW.

20. How do you change modes in voice register global?
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
#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
Phone number followed by domain name.|i.e. 3006@ipxcme.com
Debug ephone moh

21. If you're using Called/Calling Party Transformations at the Route Pattern - what happens if you do Digit manipulation at the route list?
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
Sh ip rsvp reservation||sh sccp connections
The Called/Calling Transformations are superceded.
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).

22. Maximum Wait Time for Desk Pickup?
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.
Dial-peers
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files

23. Which takes precedence Device Locations or Device Pool Locations?
Device Pool Locations
At the CLI: utils ntp status
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
Mobile Voice Access

24. On an MGCP GW - how could you see the primary and backup CUCM servers?
...
You may be running into a CSA bug. Disable CSA in CUCM by:|SSH to CUCM|utils csa disable
When they are explicitly matched in a destination-pattern in a dial-peer.
Show ccm-manager

25. How do you use an ephone template?
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323
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)
Configure it on the route group through the route list - then it will be local to the route list.
Apply it to the ephone.

26. How do you configure an MGCP GW? (router side)
To enable two-stage dialing.
(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
Debug ephone moh
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)

27. On the RDP What is the CSS used for?
Mobile Voice Access
...
Assign SIP Dial Rules
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.

28. How do you support multiple codecs on a dialpeer?
Apply voice-class codec
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
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)
Call Simulator. You can use to validate path from router to the PSTN.

29. 'If you want to make changes to any softkeys where do you do it?
Device Pool Locations
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
Auto Call Pickup Enabled
#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

30. How would you set the the timer for Auto Answer?

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31. What are the commands to configure NTP in IOS?
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

32. 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?
Assign SIP Dial Rules
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
8kb/s
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).

33. What are the 3 mandatory commands within call-manager-fallback?
Sh ccm-manager
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
sh ephone reg|and|debug voip dialpeer
Max-dn|max-ephone|ip source-address

34. On a gatekeeper trunk - how do you ensure the Sub is used as primary and Pub as backup?
(config)#voice register dialplan
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
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

35. How do you prevent toll fraud on CUCM?
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec Disable
...
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.
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True

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

DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
IP Voice Media Streaming App
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name

37. How do you setup AutoRegistration in CUCM?
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
Precede the # with a > ... so 9011*>#
System Cisco Unified CM|Uncheck the box Auto-Reg Disabled||Enterprise Parameters --> Auto Registration Phone Protocol SIP or SCCP

38. What is Phone NTP Reference used for?
To notify SIP Phones of NTP
(config)#sh cdp neigh detail
In the CUCM 7.0.1 Release Notes ... search for restore.
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

39. What are the base telephony-service commands for CME?
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
Mobile Voice Access
#voice service voip| #no supplementary-service h225-notify cid-update
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files

40. When do you do digit manipulation at the route pattern as opposed to the route list?
When multiple sites use the same route pattern - do your digit manipulation on a route list.
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
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
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!

41. What does an H323 GW require that MGCP GWs do not?
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
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
Dial-peers
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.

42. Two useful troubleshooting commands for CUCME?
sh ephone reg|and|debug voip dialpeer
At the CLI: utils ntp status
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
...

43. What are two caveats to using the ccm-manager config server</ip> command?
8kb/s
(config)#sh cdp neigh detail
Debug ephone moh

44. 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
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
...
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
sh ephone reg|and|debug voip dialpeer

45. What is SIP URI?
Dial-peers
Phone number followed by domain name.|i.e. 3006@ipxcme.com
Service Parameter --> Block OffNet To OffNet Transfer --> True
(config)#sh cdp neigh detail

46. Where can you assign the AAR Group?
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.

'Use before the ... so XXXX

47. How do you block calls under call-manager-fallback?
#after-hours block pattern
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.
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.
(config)#clock timezone|(config)#ntp server/master|(config)#sh ntp status to verify

48. Describe the relationship between route patterns and end devices.
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.
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
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 ....
Ccm-manager music-on-hold

49. 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
TRUE
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
Ccm-manager music-on-hold

50. A show isdn status shows TEI_ASSIGNED. What do you do to get MULTIPLE_FRAME_ESTABLISHED?
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
'Service Parameters --> Auto Answer Timer
At the CLI: utils ntp status
Re-enter the mgcp bind control and mgcp bind media commands.