CUCM Basic Site Configuration and Steps

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CUCM Basic Site Configuration and Steps

Time needed: 1 hour.

CUCM Basic Site Configuration Steps

  1. Configure CUCM Group

    Navigate to: Systems > Cisco Unified CM Group
    CUCM Group defines a redundant ordered list of CUCM servers. Select up to 3 CUCM servers in one CUCM Group. Skip this step if you already have a CUCM Group as per your requirements.

  2. Configure Date/Time Group

    Navigate to: Systems > Date/Time Group
    Date/Time Group in CUCM is the timezone setting. This setting impacts the date and time displayed on the IP Phones. Hence, it is very important to create a new Date/Time group with the time zone of the site.

  3. Configure Location

    Navigate to: Systems > Location Info > Location
    Location defines total bandwidth allocated for the sum of all the simultaneous calls going out of this Location or Coming into this Location.

  4. Configure Region

    Navigate to: Systems > Region Information > Region
    Set the region to define maximum bandwidth allowed per call between this region to another region. By default intra-region calls use 64kbps bandwidth, and inter-region calls use 8 kbps bandwidth configuration. This value is also used to calculate total bandwidth for Local based call admission control.

  5. Configure Device Pool

    Navigate to: Systems > Device Pool
    Defines similar Time Group , Location, Region, Media Resource Group List, Local Route Group, etc for a pool of devices.

  6. Configure Partitions

    Navigate to: Call Routing > Class of Control > Partition
    Partitions are like locks, that allow calling restriction to an entity. Only the devices/entities having the CSS (Keys) for this Partition is allowed to call to the entity assigned with Partition.

  7. Configure CSS

    Navigate to: Call Routing > Class of Control > Calling Search Space
    CSSs are like keys, which allows calling access of an entity. A device or entity can call only those entities whose partitions are listed in the CSS of calling device.

  8. Configure Conference Bridge

    Navigate to: Media Resources > Conference Bridge
    Conference Bridges allow making conference calls.

  9. Configure Transcoder

    Navigate to: Media Resources > Transcoder
    Transcoders are used to change audio codec from one codec to another for a call. For example, G711 to G729 or, G729 to G711.

  10. Configure MRG (Media Resource Group)

    Navigate to: Media Resources > Media Resource Group
    These define, a group of media resources like – Conference Bridges, Transcoders, MoH, Annunciators et.c.

  11. Configure MRGL (Media Resource Group List)

    Navigate to: Media Resources > Media Resource Group List
    MRGL is an ordered list of Media Resource Groups. As a best practice, we shall keep all hardware resources in one MRG and Software resources in another MRG. In a MRGL, the Hardware MRG can be placed above Software MRG to allow usage of Hardware resources before the software resources can be utilized.

  12. Configure SIP Trunk or Gateway

    Navigate to: Device > Trunk or Device > Gateway
    SIP Trunks or Gateways allow CUCM to transfer calls or receive calls to a Voice Gateway or Session Border Controller, which in turn connects to the PSTN Service Provider.

  13. Configure Route Group

    Navigate to: Call Routing > Route/Hunt > Route Group
    Route Groups are group of Trunks or Gateways, for purpose of making an outbound call.

  14. Configure Route List

    Navigate to: Call Routing > Route/Hunt > Route List
    Route Lists are prioritized list of Route Groups, for purpose of detailed selection of Trunks or Gateways.

  15. Configure Route Pattern

    Navigate to: Call Routing > Route Pattern
    Route Patterns define the patterns which , when dialed will forward the call to the Trunk or Gateway connecting PSTN, or outside CUCM.

  16. Configure Translation Pattern

    Navigate to: Call Routing > Translation Pattern
    Translation patterns are intermediate entities for call control within CUCM to allow digit manipulation and access control.

  17. Configure Transformation pattern

    Navigate to: Call Routing > Transformation > Transformation> Calling Party Transformation or Called Party Transformation
    Transformation Pattern allow digit manipulation after the call routing decision is made and before the call hits the called device.

  18. Configure VM Pilot

    Navigate to: Advanced Features > Voice Mail > Voice Mail Pilot
    Voicemail Pilot number defines the number used to forward calls to Voicemail Server , or Unity Connection server.

  19. Configure VM Profile

    Navigate to: Advanced Features > Voice Mail > Voice Mail Profile
    Voicemail Profiles are assigned to Phone Numbers, to define which Voicemail Pilot will be used to forward calls to voicemail.

  20. Configure Directory Numbers + Phones

    Navigate to: Device > Phones and Add Lines while configuring phones
    Directory Numbers are phone numbers. If assigned on a phone, the phone can be used to make calls, without needing a login.

  21. Configure Directory Numbers + Device Profile

    Device > Device Settings > Device Profiles and Add Lines while configuring Profiles
    Directory Numbers are phone numbers. If assigned on a Device Profile, the end-user which has this device profile as a controlled profile needs to login to the extension mobility service of an IP Phone, to use this phone number.
    It also allows the end-user to have flexible seating, as he can log in to any IP Phone with Extension Mobility service enabled, and use his phone number.

  22. Configure Line Group

    Navigate to: Call Routing > Route/Hunt > Line Group
    Line Groups are a group of Directory Number, for the purpose of Hunt List (Or, forwarding calls to a group of numbers, instead of just one number when Hunt Pilot is dialed).

  23. Configure Hunt List

    Navigate to: Call Routing > Route/Hunt > Hunt List
    Hunt Lists are used for forwarding calls to a group of numbers (defined by a Line Group), instead of just one number when Hunt Pilot is dialed

  24. Configure Hunt Pilot

    Navigate to: Call Routing > Route/Hunt > Hunt Pilot
    Hunt Pilot defines the phone number, which, when dialed forwards the calls to Hunt Group.

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