The Teletechno TT-AVDSL-4PW Integrated Access Device (IAD) offers the most advanced entry level interface selection for voice and data services of SMEs, with four analog Ethernet switches, two ISDN and four Gb ports. SIP, the Teletechno TT-AVDSL-4PW offers a complete set of IP telephony services within the IAD. Teletechno Router VDSL2 + TT-AVDSL-4PW supports four analog ports and two ISDN ports. Teletechno TT-AVDSL-4PW can be configured and managed locally and remotely, providing IT, network administrators and service providers a fast and cost - effective way to deploy network services.