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Beginner

Phones are not registering to CUCM Subscriber

        Hi ,

             we are facing  an issue that phones are not registering to CUCM sub  ,Subscriber is newly installed and the replication is  good.however CIPC , CUP and VG are able to register with Sub . Any help willl be higly appreciated.

SHIB     

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Hall of Fame Cisco Employee

Re: Phones are not registering to CUCM Subscriber

Are the CUCM groups configured to do so???

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HTH

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VIP Mentor

Phones are not registering to CUCM Subscriber

You mentioned CIPC, CUP and Voice gateway. I beilieve that your CIPC and CUP because they are pc applications will most likely be sitting on the data vlan. Can the vlans where your phones are on talk to the subscriber vlan? Are the phones reachable from the subscriber

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Cisco Employee

Phones are not registering to CUCM Subscriber

If your phones are not configured to have DNS servers, and the CUCM entry is a hostname, the phones will fail to resolve the names of the CUCM servers and register to the TFTP address which is an IP address.  It is likely your CIPC and CUP work because all your PCs have DNS servers, and possibly even the voice gateway or the voice gateway is pointed to CUCM using an IP address.

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Beginner

Phones are not registering to CUCM Subscriber

Thanks to all ... Actually the problem was in ASA firewall they did not set the priority which was creating issue.

Thankseveryone for their tips...:)

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