IP Phones registration issue from branch to HO CUCM

[Amit23]

I have CUCM 8.6 and IP Phones in HO are registering fine and quick as we connect.

but we have one location close to HO that is connected by fiber uplink. in this location we have around 50 ip phones and those are not registering when connecting with in network.. when leave for day it will register and works fine.

!

i checked netwokrk connection from branch to ho it is fine and good. also ping to cucm also good.

please help me how can see issue and fix it?

[Jaime Valencia]

Are you sure you have enough BW and good QoS in place??

That definitely sounds like either a slow link, or some FW, ACL, etc that is preventing communication.

[Tagir Temirgaliyev]

sh runn in branch