• 38 Omirou, Pakova Centre, Block A, suite 101, 3095, Limassol, Cyprus

Board of analogueue subscribers SAK (UPATS)

The board of analog subscriber lines of the platform TCS transforms the media streams between networks with packet switching, as well as providing signaling communication between lines TfOP and network interfaces MGCP, H.248 and SIP. It operates under the control of the programming switch TCS cCS under protocols MGCP, H.248, and SIP.

The board of analog subscriber lines supports 32 analog subscriber lines and resistance of loop circuit of 1800 Ohm. This board is aimed at corporate subscribers.


Image 8: Board SAK

Main functions and characteristics:

  • High, absence of blocking, 32 ports of subscriber lines
  • High load on port (1 Erlang)
  • Powerful generator of ringing current, allowing to conduct a call on all telephones connected to the board simultaneously
  • Operation under the control of protocols MGCP, H.248, SIP, functioning compatibility with programming switches of other manufacturers

The board supports the audio codecs G.711, G.723, G.726, and G.729. Moreover, it supports a series of codecs for facsimile transmission and transfer of data: G.711 (A-law, 64 kbps), G.711 (ยต-law, 64 kbps), FAX T.38 for facsimile transmission. The length of voice packets (RTP) during encoding using a specific coder can be installed with the help of the system of control. Quality of Service (QoS) during transmission of speech is provided via two mechanisms of assigning priority according to the standard IEEE 802.1 Q/p and model DiffServ. In case of requirement of network VLAN for the stream RTP VoIP and signaling can be separated from the traffic of remote control. Control over the board of analog subscriber lines is done through the MNS TCS system through an XML interface. All graphical applications are an essential part of the system of control over the network MNS (Network Management System) TCS. The board of analog subscriber lines is connected to the network via two interfaces of 100 Mbps at the back panel of the shelf MED. Multi-channel network connection (MLINEC; Multi-Link Network Connectivity) is provided as well for the duplicated connection to the switch Ethernet.