A mobility architectural arrangement for managing telecommunication mobility for a handset is provided. The arrangement includes a DiVitas protocol proxy (DPP), which is configured to manage connectivity between a mobility client of the handset and a mobility server within an enterprise. The DPP includes a client DPP being configured to manage the connectivity for the mobility client of the handset. The client DPP receives a plurality of client connectivity requests from a plurality of application clients. The server DPP is configured to manage the connectivity for the mobility server. The server DPP receives a plurality of server connectivity requests from a plurality of application servers. The client DPP and the server DPP are configured to interact with one another to establish a secure channel.