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CCIE Voice Test

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1. What are two caveats to using the ccm-manager config server</ip> command?
...
At the CLI: utils ntp status
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

2. What does KPML do?
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
Call Simulator. You can use to validate path from router to the PSTN.
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.

3. How can you confirm the MGCP GW is registered to CUCM - in IOS?
Sh ccm-manager
Master/Slave relationship. CUCM controls it.
(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 - 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

4. What are the commands to configure SIP phones in CME?
Configure it on the route group through the route list - then it will be local to the route list.
SIP Dial Rules
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

5. What is a best practice for digit manipulation - in regards to H323 GWs?
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
When I call in from off-net to a DID number in-net ... once authenticated - your calls appear to come from the desk phone.
Apply voice-class codec

6. What CM Service needs to be start in Serviceability for MOH to work?
#after-hours block pattern
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).
IP Voice Media Streaming App
Bottom up - to prevent glare.

7. How do you set the Call Park Reversion Timer?
In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
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
CUCM Service Parameters --> Call Park Reversion Timer
voice register pool|and|voice register dn

8. What is the Enable Enterprise Feature Access Service Parameter used for?
SERVICE PARAMETER> Automated Alternate Routing Enable > True
To enable two-stage dialing.
Master/Slave relationship. CUCM controls it.
CUCM - Partitions and Calling Search Spaces||CME - COR Lists

9. 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
At the CLI: utils ntp status
Assign SIP Dial Rules
Call-manager-fallback or telephony-service mode SRST

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

11. If you need terminate and reoriginate all calls through the CUBE - what do you need to do.
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
...
#voice-class h323 1|#h225 timeout tcp establish 3 (if no response within 3 seconds continue dial-peer hunting)
You need dial-peers and to allow h323 to h323 communication.||voice service voip| allow-connections h323 to h323

12. How do you verify where MOH is being served up from?

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13. What do you need to do to activate the CME GUI?
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

Use IPs instead of hostnames for all CUCM servers.|ENTERPRISE PARAMETERS --> Replace all CUCM hostnames with IPs in URLs
Need to Know||Anytime you have an external call - it needs to match on a route pattern.

14. 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
Reroute when here is WAN congestion.
Top Down means that channel 1 will be the first channel used to place outgoing calls.
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

15. On the RDP What is the Rerouting CSS used for?
Single Number Reach (Mobile Connect)
No POTS dial-peer or no direct-inward-dial on a pots dial-peer
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.
Service Parameters --> Mobile Voice Access Number

16. Maximum Wait Time for Desk Pickup?

In milliseconds ... allows you to hang up cell phone then pick up at the desk phone without disconnecting the call.
Via the voice hunt-group parallel command
CUCM - Partitions and Calling Search Spaces||CME - COR Lists

17. Where can you find the command to restore any of the default IP Phone Services if they happen to have been deleted?
In the CUCM 7.0.1 Release Notes ... search for restore.
To notify SIP Phones of NTP
Configure it on the route group through the route list - then it will be local to the 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

18. When are digits stripped in a gateway?
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.
sh ephone reg|and|debug voip dialpeer
When they are explicitly matched in a destination-pattern in a dial-peer.
24kb/s

19. How do you allow H323 calls to be preserved should the primary H323 GW fail?
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 ....
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False

IP Voice Media Streaming App

20. How do you convert a full PRI 9config'd by ccm-manager config server) back to a Fractional PRI?
Top Down means that channel 1 will be the first channel used to place outgoing calls.

At the CLI: utils ntp status
Reroute when here is WAN congestion.

21. How would you enable security on a GK?
Gatekeeper| security acl answerarq 1||set up an access list permit whoever you want to allow
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
SERVICE PARAMETER>|| Stop routing on unallocated number flag - Set to False|| Stop routing user busy - Set to False
+ [CC 1-3 digits] [National Number max 15 minus CC digits]

22. What does an H323 GW require that MGCP GWs do not?
On CUCM it's identical to adding an H323 GW.
Dial-peers
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
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

23. How do you configure CUBE?

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24. 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)
In the CUCM 7.0.1 Release Notes ... search for restore.
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.
Reroute when there is a WAN Outage.

25. What should you configure before entering auto qos?
Apply it to the ephone.
Reroute when there is a WAN Outage.
Bandwidth
Sh ccm-manager

26. 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
Sh ip rsvp reservation||sh sccp connections
On CUCM it's identical to adding an H323 GW.
Reroute when there is a WAN Outage.

27. If you have an H323 Gateway at a siet where the phones are controlled by CUCM - what do you need from a dial-peer perspective?
Call forwarding between voip to voip (when CUBE is in play)
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.
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
voice translation-profile|and|voice translation-rule

28. Does CUCM support RSVP natively?
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.
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
voice translation-profile|and|voice translation-rule
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.

29. What must you do for a BACD script to work on a CME router?
No it invokes the RSVP call agent on the IOS Router via SCCP message. i.e. use a Software MTP.
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
Enable MOH on the CME.||#telephony service|#moh music-on-hold.au
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.

30. How do you use the # as a string terminator within a SIP Dial Rule?
Max-dn|max-ephone|ip source-address
Precede the # with a > ... so 9011*>#
Enterprise Parameters --> Organization Top Level Domain|Enterprise Parameters --> Cluster Fully Qualified Domain Name
Call forwarding between voip to voip (when CUBE is in play)

31. How do you configure a SIP Trunk? (router side)
(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
Outbound dial-peers
Device Settings --> Softkey Template|Copy a template and make your changes.|Then apply to the device.

32. What's the best way to do digit manipulation on an IOS gateway?
Call Simulator. You can use to validate path from router to the PSTN.
Mobile Voice Access
Dtmf-relay h245-alpha
voice translation-profile|and|voice translation-rule

33. What's the difference between AAR and SRST?
AAR -- Used for WAN Congestion|SRST -- Used for WAN Outage
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
SERVICE PARAMETER>|| Block Offnet to Offnet Transfer - Set to True
Automatically configures the MGCP GW for you.

34. Which takes precedence Device Locations or Device Pool Locations?
Device Pool Locations
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
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.
Top Down means that channel 1 will be the first channel used to place outgoing calls.

35. How do you enable AAR system wide?
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 .)
SIP Route Pattern over a SIP Trunk.
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
(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

36. What does Display-IE do?
Assign a logout-profile to the ephone.
(config)#voice register dialplan
In CUCM - configure CFUR to point to it's E164 number.
Sends the Calling Name.

37. What is the Service Parameter to allow the phone that is picking ip to auto answer?
Auto Call Pickup Enabled
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
To enable two-stage dialing.
Uncheck it! Otherwise both H323 devices on either end wait for the other to send TCS first - and the connection will timeout.

38. 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
Ccm-manager music-on-hold
Outbound dial-peers

39. SNR is also known as?
Push as much digit manipulation to the router as possible - so you can re-use it for SRST.
Ccm-manager music-on-hold
Mobile Connect
Sends every digit to CUCM in real-time with digit-analysis being handled by CUCM.

40. 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
Sh ip rsvp reservation||sh sccp connections
Proxy Line Mode has multiple icons on the phone.|Shared Line Mode has only one.
Need to Know||Anytime you have an external call - it needs to match on a route pattern.

41. How do you configure a gateway to register with gatekeeper?
CUCM Service Parameters --> Call Park Reversion Timer
#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
Call Simulator. You can use to validate path from router to the PSTN.

42. 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?
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
Service Parameter --> Block OffNet To OffNet Transfer --> True
RP affects the display on the calling phone.||RL affects What is sent to the gateway (called number).

43. How do you ensure no inter-digit timeout fro SIP phones within CUCM?
Telephony-service|no auto-reg-ephone|max-ephones <NUM>|max-dn <NUM> no-reg|ip source-address <IP> port 2000|create cnf-files
CUCM Service Parameters --> Automated Alternate Routing Enable --> True
Telephony service|ip source-address 10.10.110.2|max-dn <NUM>|max-ephone <NUM>|create cnf-files
SIP Dial Rules

44. How do you support multiple codecs on a dialpeer?
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
Access Port Method||interface range fa0/1 - 3|switchport voice vlan 20|switchport access vlan 10|spanning-tree portfast
CM SERVICEABILITY TOOL --> SERVICE ACTIVATION --> Check all - then uncheck CMI and Security Services and activate.
Apply voice-class codec

45. 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
Apply voice-class codec
Service Parameter --> Block OffNet To OffNet Transfer --> True
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

46. How do you allow the Calling Name to be sent to the PSTN on a router?
(config)#int s0/0/0:15 (this is created after you setup the PRI)|(config-if)#isdn outgoing display-ie
CAT IOS|switchport trunk encap dot1q|switchport mode trunk|switchport trunk native vlan 10 --> !!!DATA VLAN!!!
SIP Dial Rules
sh ephone reg|and|debug voip dialpeer

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

48. What types of digit manipulation can you perform at the route pattern?
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
Configure it on the route group through the route list - then it will be local to the route list.
Reroute when here is WAN congestion.
DDI - Digit Discard Instruction (PreDot)||Mask - most powerful (does DDI and Prefix)||Prefix - Prefixes digits|| **These three types are compounded in this order!

49. Name 2 commands to verify RSVP functionality.
Sh ip rsvp reservation||sh sccp connections
voice register pool|and|voice register dn
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
...

50. How do you block an external call from being transferred back out to the pstn by an internal user?
Default is SRST||mode cme changes to CME|no mode cme changes back to SRST
Service Parameter --> Block OffNet To OffNet Transfer --> True
1st the Subnet is recognized. (Device Mobility Info)|Then different Physical Locations are compared.
'Service Parameters --> Auto Answer Timer

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CCIE Voice Test

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