A method and apparatus for dynamically selecting one of a plurality of VoIP phone protocols to establish a VoIP phone connection is provided. In one example, the method includes listening on a multiplicity of available IP ports associated with a first VoIP phone device for an incoming call utilizing the plurality of VoIP phone protocols, the plurality of VoIP phone protocols co-existing on the first VoIP phone device, detecting the incoming call originating from a second VoIP phone device, and determining which one of the plurality of VoIP phone protocols is associated the incoming call. The method further includes selecting one of the multiplicity of available IP ports on the first VoIP phone device to establish a VoIP phone connection with the second VoIP phone device utilizing the VoIP phone protocol associated with the incoming call.