Using 3Com IP Phones NBX V3000 on Mikrotik RB333

I have posted on this topic before and got the following replies for some config changes so I Tried disabling the SIP helper and also Assigned IP’s via DHCP for my phones.But my phones are still not working on it.Pls help me out urgently as i cant delay this matter any more.My 3Com Ip phones specs are:


3com NBX V3000

System Software version: R6_0_3
Phone models Used:
3com 3100 Entry Phone
3com 3101B Basic Phone
3com 3103 Manager Phone
3com Analog Terminal Adapter Device

Waiting for a prompt reply


Thanks.