Direct Line ring then stop then ring again

[kingofshadows86]

I have a customer who has a phone wiht direct line, when someone call him on his direct line its ring two rings then stop then ring again.

What do you think the problem is?

regards,

Waref

[Hassan Barghouth]

hi

which version call manager you have ???

please try to unregister ip phone and try regsiter agin

or make upgrade to ip phone frimware

thanks

[kingofshadows86]

Thank you for replying, actually I solved the problem, The problem was the timeout in telephony-service was 6 I change it to 60 it's working fine now.

regards