Dear All,IP phones freezes in the middle of operations for example if there is an incoming call and when its picked up the phone still rings, further when I try to dial number it will give no dial tone and will not dial the number for like more than ...

When i dial outside number i-e any PSTN number the call-id information will display a wrong number on the reciever end, lets suppose my number is7551234 and on remote phone number shown be 7551234 BUT it will show 7554455.these both number are valid ...