Adore Softphone ( http://www.adoresoftphone.com ) release it's new Communicator Software which has Voice+Video+IM in one application Interface. Please contact for more information and demo at below mentioned address.
We can also provide SIP Dialer + CallingCard /Callthrough Dialer in application as 2-in-One Dialer. Once user will download the dialer it will ask to use SIP Dialer or CallingCard dialer using Access Number.
Please contact for demo and more information at : sales@adoresoftphone.com