Channel.c: Dropping incompatible voice frame on SIP/PW06622-00000681 of format gsm since our native format has changed to (u law)

Yes I think so can you help me with one more thing please everytime I see asterisk utilize cpu more than 100%

Upgrade to a version higher than Asterisk 11, preferability the LTS version,after that if problem continues open a new thread. Im closing this topic