Cisco CME ephone-dn XX octo-line

I have Cisco CME operator is cant transfer if receive more then two line, means if his busy line 1, and arrived 2 line he can answer but cant transfer, when he press transfer softkey getting internal dial tone  but cant dial internal extension number my config bellow
ephone  3
 no phone-ui speeddial-fastdial
 no multicast-moh
 mac-address EC44.761E.5975
 type 7940
 button  1:76
ephone-dn 76 octo-line
number 175
preference 0 secondary 9
huntstop channel 8
call-forward busy 777
call-forward noan 777 timeout 40
call-waiting beep
no cti notify
no cti watch

any one can help

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Try changing the huntstop channel to 6 or 7 to keep one channel open for transfers.
taherudinAuthor Commented:
no it was in telephone-service change
transfer-digit-collect orig-call
 transfer-system full-consult

now its working good

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