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Thread: CME to CUCM

  1. Senior Member
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    #1

    Default CME to CUCM

    Currently have this setting on CME.


    ephone-dn 1
    number 1000


    ephone-dn 11 dual-line

    number 1001

    name Snd Lt


    ephone 1
    mac-address 0014.A998.D06D
    type 7960
    button 1:11


    ephone 2
    mac-address 000B.5FF9.306B
    type 7960
    button 1:11



    After getting some job done in CME, I'd like to move over to CUCM.


    (1) Is it possible to have one phone get settings from CME and have the other phone get settings from CUCM? By playing around with MAC address?

    (2) Does CUCM respond to option 150 requests from the IP phones to give them settings? Does CME from the router have to be disabled for this?


    Thanks.
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  3. Senior Member
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    #2
    You could possibly setup 2 different DHCP pools and have the phones in different subnets and VLANS.
    Currently Reading

    CUCM SRND 9x/10, UCCX SRND 10x, QOS SRND, SIP Trunking Guide, anything contact center related
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  4. Senior Member
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    #3
    What if I want to completely transfer over to CUCM? Do I wipe CME settings and just set the CME router as a voice gateway?
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  5. Senior Member
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    #4
    yes thats what you have to do. You can also shut down the telephony service so you can keep some of the config there. Just potion the TFTP to the CUCM.
    Currently Reading

    CUCM SRND 9x/10, UCCX SRND 10x, QOS SRND, SIP Trunking Guide, anything contact center related
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  6. Senior Member
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    #5
    I have no tftp clause.

    I have this, do I just change the ip address below to that of CUCM?

    !
    !
    gatekeeper
    shutdown
    !
    !
    telephony-service
    no auto-reg-ephone
    max-ephones 58
    max-dn 300
    ip source-address 10.10.20.10 port 2000
    max-conferences 8 gain -6
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  7. Senior Member
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    #6
    Where is your DHCP server?

    Telephone service is going to get shutdown because the router is no longer the call processing node.

    You should have something like


    IP dhcp pool Phones
    network 192.168.100.0 255.255.255.0
    default router 192.169.100.1
    option 150 ip 192.168.101.1 (this is your CUCM IP)
    Currently Reading

    CUCM SRND 9x/10, UCCX SRND 10x, QOS SRND, SIP Trunking Guide, anything contact center related
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  8. Senior Member
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    #7
    oh I see. option 150 is the deciding factor.

    ip dhcp pool VOICE_SCOPE
    network 10.10.20.0 255.255.255.0
    default-router 10.10.20.10
    option 150 ip 10.10.20.10
    dns-server 8.8.8.8


    So if CME is 10.10.20.10 and CUCM is 10.10.10.20

    I just change it to option 150 10.10.10.20?

    Thanks
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  9. Senior Member
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    #8
    That is correct
    Currently Reading

    CUCM SRND 9x/10, UCCX SRND 10x, QOS SRND, SIP Trunking Guide, anything contact center related
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  10. Senior Member
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    #9
    Also, trying to confirm the setting I read up.

    After changing option 150(tftp) to point to CUCM VM instead of CME router, do I in CUCM, go to Device -> Gateway and put the CME router as a SCCP 2911 gateway?

    CUCM will then use the CME router to process voice data?
    Thanks.
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