WARNING[8708]: chan_sip.c:3215 update_call_counter: Inringin

Hello,

I get an error writen in Subject. The phone with error can call on external an internal number, but it is not accessible from internal or external numbers.

When calling the phone, I hear just silence. The phone is Grandstream gxp2000 asterisk is 1.4

If any more info neded I can provide it.

thanks for help.

klemen