TelTel partners with brand name consumer electronics device manufacturers as well as OEM/ODM device manufacturers to enable their products to be connected to the PsipTN. Device manufacturers take advantage of TelTel's robust PsipTN network and the rich repertoire of compatible applications and value-added services resident on the PsipTN to increase hardware sales. By integrating with the PsipTN, device manufacturers benefit by providing to their end users true device plug-and-play capabilities made possible by the seamless firewall and NAT traversal, automatic provisioning and automatic firmware upgrade capabilities inherent in the PsipTN. Device manufacturers currently invest a network access fee with TelTel in order to be connected to the PsipTN. TelTel partners with major brand name device manufacturers and OEM/ODM device manufacturers in home communications, home entertainment, home office, home automation and home network management.