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Definition
1)Foreign Exchange Office -
Supports analog POTS lines |
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Definition
Foreign Exchange Station -
Supports analog devices such as Fax machines. |
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Term
| What are DSP's or (PVDM's)? |
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Definition
Packetized Voice DSP Modules or Digital signal processor
Used to transcode audio and video on a gateway. |
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Definition
| the card can be configure for a PRI (voice) or a data T1 |
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Definition
| Lets you connect additional analog devices to digital network |
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Term
| 2821 voice gateway can support? |
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Definition
| 4x VWIC, 2 Network Modules or 1 Extensive voice module |
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Term
| What are NM slots used for on gateways? |
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Definition
| Network Module allowing legacy equipment to be connected directly to voice gateway |
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Term
| What are EVM slots used for on gateways? |
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Definition
| Allows for voice support to be added to voice gateway |
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Term
| 2845 Voice Gateway Can support |
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Definition
| 6 VWIC cards, 2 Network Modules, 1 Extensive Voice Module |
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Term
| 3845 Voice Gateway Can Support |
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Definition
| 8 VWIC Cards, 4 Network Modules, 1 Extensive Voice Module |
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Term
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Definition
| At least One publisher and a number of subscribers depending on which version you are implementing |
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Definition
| Master database 7.x - 8.x supports up to 30,000 phones depending on server hardware. |
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Definition
| Slave Database. Up to 8 of these can be assigned per publisher with 7500 phones per subscriber. CUCM 7.x - 8.x |
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Term
| Centralized Call Processing |
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Definition
| Central Call manager with distributed sites |
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Term
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Definition
| Trunking data to a different cluster for processing. Very Tedious because each cluster will have a trunk pointed at the other subscribers making this a temporary fix and not scalable |
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Term
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Definition
| H.323 Voice Gateway configured with zones (zone 1, zone 2...)adn zone prefixes to route traffic between subscribers using DN's. Very Scalable |
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Definition
| Cisco Unified Presence Server. Used in complex sip environments to route calls |
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Term
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Definition
1.) Phone Powers on and broadcast for an ip on its local subnet
2.)The local switch (Layer 2, Layer 3) will forward the phone to the dhcp server using is ip-helper address
3.)DHCP checks its scope and send back an IP, Default Gateway, and Subnet Mask Address.
4.)Option 150 is also passed to locate and communicate with the tftp server
5.)Phone Contacts the tftp and loads its image
6.)TFTP server will not check with CUCM for a registered device
7.)If that phone is not configured "Registration Rejected Will be displayed"
8.)If configured, phone will register with primary subscriber from the CUCM groups specified in the Device pool |
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Definition
| Specifies who the phone can call. (which route patterns are accessible) |
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Definition
| Specifies which DN's are able to dial the phones directory number. |
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Term
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Definition
| (Wide Area Network) Interface Card Only used for data traffic. |
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Term
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Definition
1.)CSS-GWY
Used to signal directly with Gateway.
((P-IPPhones))
2.)CSS-Local
Used to for only local DN's
((P-911, P-Local, P-IPPhones,P-IPPhones of other site))
3.)CSS-Long Distance
Used to for local and long distance.
((P-911, P-Local, P-IPPhones, P-LongDistance, P-IPPhones of other site))
4.)CSS-International
Used for Local Long Distance and international calls.
((P-911, P-Local, P-IPPhones, P-long Distance, P-International, P-IPPhones of other site)) |
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Term
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Definition
P-IPPhone - All CSS Will Have this partition
P-911 - Will be added for 911 direct support
P-Local - Added to only call locally
P-LongDistance - To Call Locally and Long Distance
P-International - To Call Locally, LD, and Internationally |
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Term
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Definition
Specific set of digits assigned to a route list that can be maniupulated to provide flexibility in the Dial Plan
(9.XXXXXXX) |
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Term
| Typical Route Pattern Setup |
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Definition
9.411 - Local Services (Predot, P-Local)
9.911 - Local Emergency (Predot, P-911)
911 - Direct Local Emergence (P-911)
9.XXXXXXX - 7 Digit Local (Predot, P-Local)
9.XXXXXXXXXX - 10 Digit Local Dialing (Predot, P-Local)
9.1XXXXXXXXXX - LD Dialing (Predot, P-LD)
9.011! - International Calling (Predot, P-International) |
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Term
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Definition
Associated with a route group that determines in which order the route group will be accessed
((RL-MN, RL-NY)) |
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Term
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Definition
| Allows a list of gateways to be prioritized in the order they should be used. |
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Term
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Definition
| Specifies the primary and the backup subscribers for the specific location. ( each group can hold up to three subscribers) |
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Term
| Typical Call Manager Group Setup |
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Definition
Cluster1-Group1- Sub1 > Sub2
Cluster1-Group2- Sub2 > Sub1
Cluster1-Group3- Sub3 > Sub4
Cluster1-Group4- Sub4 > Sub3 |
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Term
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Definition
This is specifies the IP address of each Server in a cluster
(CM_10.0.0.1) Sub1
(CM_10.0.0.2) Sub2 |
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Term
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Definition
| Used to define a specific settings for devices |
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Term
| Typical Device Pool Configuration |
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Definition
DP-MN
CCM Group - Cluster1_Group1
Date/Time - DTG-Central
Location - Local Location (LOC-MN)
Region - Local Region (RGN-MN)G7.11 locally and G7.29 to all other regions)
Media Resource Group List - MRGL-MN Specifies local routing resources (CFB & MTP) * Must be from local gateway
SRST - SRST-MN Specifies local gateway loopback IP (Must match in the "call-manager-fallback" config) |
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Definition
| Enables you to regulate Audio or Video Bandwidth between locations. If not correctly set network link will become over subscribed and quality will drop. |
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Term
| Typical Location Configuration |
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Definition
Loc-MN
G.729 32k per call - Over Link
G.711 80k per call - Local Calls
Video 384k per call - All video calls |
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Term
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Definition
Specifies the bandwidth used between regions
((Audio Codec determines audio bandwidth, Video Codec determines both audio and video bandwidth but does not include signaling overhead)) |
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Term
| Typical Region Configuration |
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Definition
RGN-MN(A)
Region A B C D
Codec G.711 G.729 G.729 G.729
Local Region Always uses G.711 and G.729 to other regions to maximize quality over links
**Standard unless otherwise specified |
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Term
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Definition
| Codec only used locally. If used between different locations Links will become saturated and quality will be bad |
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Term
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Definition
| Codec Used Across location links to optimize call quality. |
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Term
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Definition
Media Resources found on the gateway that allow for certain call functions.
CFB -
Confrence Bridge - Needed to Make Conference Calls from your IPPhone
MTP -
Media Termination Point - Allows CUCM to route calls using through H.323 and SIP endpoints. *Registers with corresponding gateway IP
MOH -
Music On Hold - Provides audio sources for calls on hold.
XCODE -
Transcoder - Used to convert 2 different call stream codecs as they are received
ANN -
Annunciator - Application to play pre-recorded alert messages in case of a call failure. |
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Term
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Definition
Plays a specified stream when caller is placed on hold.
Unicast - New stream is opened for every new call placed on hold.
Multi-Cast - Shares one stream with multiple calls on hold |
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Definition
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Term
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Definition
"Survivable Remote Site Telephony"
When a PSTN link goes down SRST allows the local gateway to temporary provide CUCM call routing. |
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Term
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Definition
Real Time Protocol
Digital data stream used to signal a call in progress |
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Term
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Definition
Specifies a group of phones that CUCM can ring through.
((Top Down, Circular, Longest Idle, Broadcast))
Top Down -
Rings through the list one at a time top to bottom.
Circular -
Rings next phone that is idle in
Longest Idle -
Will only deliver a call to Idle phones starting by
longest available to shortest
Broadcast -
Will ring all idle phones in group |
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Term
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Definition
| Specifies an order in which to access the line groups |
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Term
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Definition
String of digits that is used to route calls to a hunt list.
Uses patterns and filters to route to specific hunt list |
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Term
| How do you troubleshoot Call Manager problems? |
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Definition
| Use RTMT to dump CUCM logs or Cisco Unified Reporting > CM System Reports |
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Term
| How do you troubleshoot links from CUCM to a gateway? |
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Definition
Verify Gateway Is added correctly and registered in CUCM
(Layer 2 issues, not in server group, route group config is wrong).
"Debug isdn q931" / Debug Voip Dial-Peer on gateway and watch for inbound/outbound traffic |
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Term
| How do you trouble shoot links from CUCM to CUPS? |
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Definition
Verify that The sip trunk in CUCM is pointed to the right IP.
Verify That the incoming ACL in cups has the subscriber ip entered. |
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Term
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Definition
| Calling Parties Number or caller ID |
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Term
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Definition
Dialed Number Identification Service -
Signal and dial plan Information about the called party |
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Term
| How do you troubleshoot codec problems over a PRI? |
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Definition
Debug ccapi inout
View codec negotiation chart or
Call disconnect chart |
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Term
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Definition
Call Admission Control -
Controls audio and video quality over a WAN link by limiting the number of calls per link. |
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Term
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Definition
Cisco unified Personal Comunicator
1.) Add end User with CTI CUP and CUPC profile support
2.)Configure IPPHone if Applicable adding presence CSS and CTI control
3.)Associate the user to the phone.
4.)Adding CUPCUSER CUPC device with a DN and CTI control
5.) Verify Network Connectivity and functionality.
*User can create dump reports in case of errors or network connectivity issues |
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Term
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Definition
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Term
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Definition
Call Detailed Records -
Provides detailed information regarding a specific call. Can Be accessed using RTMT |
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Term
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Definition
| Logical Connection between two network devices creating one call leg. |
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Term
| What are the PRI Switch Types? |
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Definition
Primary-ni
Primary-4ess
Primary-5ess
Primary-dms100 |
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Term
| What is the most common PRI Framing Protocol? |
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Definition
| ESF or Extended Superframe Frame |
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Term
| What is a common PRI Linecode Protocol? |
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Definition
| B8ZS or Binary 8 zero substitution |
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Definition
| Open Systems Interconnection model |
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Term
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Definition
Physical Layer -
Media, signal and binary transmission |
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Definition
Data -
Physical addressing |
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Definition
Network -
Path determination and logical addressing |
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Definition
Transport Layer -
End-to-end connections, reliability and flow control |
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Definition
Session Layer -
Interhost communication, managing sessions between applications |
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Definition
Presentation Layer -
Data representation, encryption and decryption, convert machine dependent data to machine independent data |
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Definition
Application Layer -
Network process to application |
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Term
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Definition
Core -
Backbone to the internet. Switching
Distribution -
Determination of packet access to the core layer (Routing)
Access -
End User access. Workgroups, Users, Pc's, Printers |
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Term
| What is Cisco DRS And What is it's function? |
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Definition
Disaster Recovery System -
Used to securely back up call manager clusters. Backup server must accept SFTP. |
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