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's the difference between AAR and SRST?
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Assign SIP Dial Rules
Allows you to transfer by only pressing the Transfer button once.
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage


2. What terminology translates to AAR?
...
Reroute when here is WAN congestion.
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Translate called - Calls going out to the PSTN||Translate Calling - Use on calls coming in from the PSTN. To change the ANI (Caller ID)


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

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4. What are the basic ephone-dn and ephone commands?
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
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
System Cisco Unified CM|Uncheck the box <i>Auto-Reg Disabled</i>||Enterprise Parameters --> <i>Auto Registration Phone Protocol</i> SIP or SCCP


5. What is a best practice for digit manipulation - in regards to H323 GWs?
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
<i>Proxy Line Mode</i> has multiple icons on the phone.|<i>Shared Line Mode</i> has only one.
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
<i>#after-hours block pattern</i>


6. How do you create a trunk on the router side?
Assign a logout-profile to the ephone.
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
<b>Access Port Method</b>||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Precede the # with a > ... so 9011*>#


7. How do do configure TEHO?
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Reroute when there is a WAN Outage.
When multiple sites use the same route pattern - do your digit manipulation on a route list.
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


8. On the RDP What is the Rerouting CSS used for?
Create 2 voip dial-peers - one the Sub and one to the Pub (the Pub with a preference of 1). Then create a <i>voice class h323</i>and set the <i>h225 timeout</i> value so it will hunt between the two.
Use the <i>alias static</i> configuration||alias static (IP of CUCM) gkid (GK ID) gateway voip ras (IP of CUCM) e164 (dn) e164 (dn) e164 (dn)
Region setting alone is not enough. You must set:|Enterprise Parameters --> Advertise G.722 Codec <i>Disable</i>
Single Number Reach (Mobile Connect)


9. 'How do you inform a SIP phone of NTP information?
System --> Phone NTP Reference|Then Apply to System --> Date/Time Group
<i>sh ephone reg</i>|and|<i>debug voip dialpeer</i>
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Bandwidth


10. What is the full E164 format?
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
Need to Know||Anytime you have an external call - it needs to match on a route pattern.
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
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


11. How do you get around relying on DNS for your CUCMs?
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
Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
Ssh to the CUCM the phone is registered to|show perf query class 'Cisco MOH Device'
<i>SIP Route Pattern</i> over a SIP Trunk.


12. What are the commands to configure a MGCP Gateway? (router)

(config)#<i>sh cdp neigh detail
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
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.


13. If the PSTN is presenting on channel 1 - should you configure CUCM to search 'top down' or 'bottom up'?
Bottom up - to prevent glare.
Single Number Reach (Mobile Connect)
Dtmf-relay h245-alpha
<i>Auto Call Pickup Enabled</i>


14. Privacy is enabled system-wide in CUCM by default. (T or F)
TRUE
#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
<i>Auto Call Pickup Enabled</i>
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.


15. Does CUCM support RSVP natively?
Sh ccm-manager
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
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


16. 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?
In CUCM on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.
Ccm-manager music-on-hold
Phone number followed by domain name.|i.e. 3006@ipxcme.com
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


17. What would force you to use telephony-service to configure SRST?
IP Voice Media Streaming App
Service Parameters --> <i>Mobile Voice Access Number</i>
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.


18. With the gw-priority command - does higher or lower priority take precedence?
Higher
Find the GUI Files - show flash | i .html|<i>ip http server</i>|<i>ip http path flash:/<PATH TO FILES></i>||telephony service|web admin system name admin pass cisco|dn-webedit
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Outbound dial-peers


19. When setting up SIP URI where do you configure the CUCM's domain name?'
Enterprise Parameters --> <i>Organization Top Level Domain</i>|Enterprise Parameters --> <i>Cluster Fully Qualified Domain Name</i>
When multiple sites use the same route pattern - do your digit manipulation on a route list.
#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
Precede the # with a > ... so 9011*>#


20. What does an H323 GW require that MGCP GWs do not?
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
Assign SIP Dial Rules
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.
Dial-peers


21. What is SIP URI?
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
Phone number followed by domain name.|i.e. 3006@ipxcme.com
(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
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


22. What does the <i>Transfer On-hook Enabled</i> Service Parameter do?
In CUCM - configure CFUR to point to it's E164 number.
...
Allows you to transfer by only pressing the Transfer button once.
Automatically configures the MGCP GW for you.


23. How do you disable KPML?
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
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
Assign SIP Dial Rules


24. How do you use the # as a string terminator within a SIP Dial Rule?
#show call active brief|#show voice call summary|#show voice call status|show dialpeer voice summary
<i>#after-hours block pattern</i>
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
Precede the # with a > ... so 9011*>#


25. What commands are needed to configure the voice register pool in CME?
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
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
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
#test voice translation rule 1 <input to test>


26. What types of digit manipulation can you perform at the 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!
Reroute when here is WAN congestion.
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)


27. How do you configure a SIP Trunk? (router side)
When they are explicitly matched in a destination-pattern in a dial-peer.
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 .)
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
(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


28. An MGCP gateway serving as an SRST router requires what?
Redundant dial plan. One on CUCM and one on the routers via dial-peers.
Find the GUI Files - show flash | i .html|<i>ip http server</i>|<i>ip http path flash:/<PATH TO FILES></i>||telephony service|web admin system name admin pass cisco|dn-webedit
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right


29. How do you prevent H323 caller-id updates to CUCM
#voice service voip| #no supplementary-service h225-notify cid-update
(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
1. Complicated Hunt Group|2. Need to support Calling Name|3. Need to support Call Park Call Pickup
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


30. How do you enable AAR system wide?
Configure it on the route group through the route list - then it will be local to the route list.
CUCM Service Parameters --> Automated Alternate Routing Enable --> <i>True</i>
Mobile Voice Access
'Service Parameters --> <i>Auto Answer Timer</i>


31. What are the basic SCCP Commands fro telephony-service in CUCME?
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
#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> Automated Alternate Routing Enable > True
Re-enter the <i>mgcp bind control</i> and <i>mgcp bind media</i> commands.


32. What are the commands to ensure an H323 GW always uses the Sub as primary and Pub as a backup?
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
#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
At the Line or Device level. -- Sometimes unpredictable performance of assigned to the device though.
Dtmf-relay h245-alpha


33. Maximum Wait Time for Desk Pickup?
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
Vlan database|vlan 130 name DATA|vlan 240 name PHONES|apply|exit
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
Need to Know||Anytime you have an external call - it needs to match on a route pattern.


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

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35. Is the order of the MRGs in an MRGL significant?
#call-manager-fallback|#ip source-address (IP)|#max-ephone 4|max-dn 8|Configure a refernce in CUCM
#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.
Sh ccm-manager


36. What terminology translates to SRST?
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
CUCM OS Administration Settings --> NTP Servers
#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
Reroute when there is a WAN Outage.


37. When a device is roaming to a different site How does it get the <i>Roaming Sensitive Settings</i> from the Device Pool?
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
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
(config)#<i>sh cdp neigh detail
Bottom up - to prevent glare.


38. What's the best way to perform digit manipulation on a route group?
Configure it on the route group through the route list - then it will be local to the route list.
#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
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 on the PRI interface of the MGCP Gateway - set the Significant Digits to 4.


39. What is call-forward pattern used for?
<b>CAT IOS</b>|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
Gw-priority command||#gatekeeper| #zone prefix CUCM 2... gw-priority 10 US_Trunk_2| #zone prefix CUCM 2... gw-priority 5 US_Trunk_1
Sends the Calling Name.
Call forwarding between voip to voip (when CUBE is in play)


40. '<b>By Nov. 16 - 2010</b>||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
+ [CC 1-3 digits] [National Number max 15 minus CC digits]
Mobile Connect
...
Show ccm-manager


41. How do you enable AAR?
SERVICE PARAMETER> Automated Alternate Routing Enable > True
On CUCM -- UPTSAL||Create Your <b>Users</b>|<b>Phone</b> - set owner id|Create SIP <b>Trunk</b>|<b>SIP Trunk Security Profile|</b>|<b>Application Server</b>|<b>Licensing|</b>|||On CUPS||Work Left to right
Max-dn|max-ephone|ip source-address
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True


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

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43. What are the commands to set up the PRI?

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44. What must you do for a BACD script to work on a CME router?
When multiple sites use the same route pattern - do your digit manipulation on a route list.
Enable MOH on the CME.||#<i>telephony service</i>|#<i>moh music-on-hold.au</i>
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
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)


45. How do you see the details of calls coming in and out of the PRI?
CUCM - Partitions and Calling Search Spaces||CME - COR Lists
(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 isdn q931
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 ....


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

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47. How do you enable Extension Mobility for a device in CME?
When configuring TEHO.
#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
Assign a logout-profile to the ephone.
8kb/s


48. How much bandwidth does a G.729 call including layer 3 require?
24kb/s
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!
Service Parameter --> Block OffNet To OffNet Transfer --> <i>True</i>


49. Describe the relationship between route patterns and end devices.
Call-manager-fallback</i> or <i>telephony-service mode SRST</i>
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.
Master/Slave relationship. CUCM controls it.
Dial-peers


50. 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
...
Apply <i>voice-class codec</i>
Put them in a route list.