How about this ?no samples for alawtoulaw and lintoalaw

asterisk -1.4.11, ip phone call other ip phone, then display:
WARNING[3518]: translate.c:163 framein: no samples for alawtoulaw
WARNING[3518]: translate.c:163 framein: no samples for lintoalaw

both can not hear voice from another?

how about it?how to resolve it?

I think your IAX2 trunk rule may have some problem.Please check it once again.You can find the rules from google itself.If are not able to fix the problem please mail to me on kgs_namboothiri@yahoo.co.in

Thanks
KGS Nmaboothiri M.C.A.,CIC,DISM(UK),CCNA,RHCE,CISA.