Cant call out and call internal when turn on CUCM sub after deploy CUCM sub 10.5

[quytx]

Hi every one

When i deploy CUCM sub and turn on it and config CM group. AFter configuration, i test call. between 2 ip phone internal and see cant call internal together and cant call out. but when i turn off CUCM sub, it work normal. I am using CUCM 10.5. :( 

[George Sotiropoulos]

Hello quytx

Can you check on which CM (Pub or Sub) the 2 phones register?
Have you activated Call Manager, TFTP and/or IP Media Streaming, Serviceability Reporter Services on the Subscriber node?

G

Please rate if this helps