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VT Multichannel System

VIERLING. VT Multichannel System. 32 Channel GSM Gateway. VIERLING. VIERLING Group Pretzfelder Straße 21  D-91320 Ebermannstadt  Phone: +49 (0)9194 97-0  Fax: +49 (0)9194 97-100  Homepage: www.vierling.de. VIERLING - GSM Gateways VT MultiChannel System.

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VT Multichannel System

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  1. VIERLING VT Multichannel System 32 Channel GSM Gateway VIERLING  EVT - Wn VIERLING Group Pretzfelder Straße 21  D-91320 Ebermannstadt  Phone: +49 (0)9194 97-0  Fax: +49 (0)9194 97-100  Homepage: www.vierling.de

  2. VIERLING - GSM GatewaysVT MultiChannel System VIERLING - Mobile GatewaysVT MultiChannel System  EVT - Wn

  3. Mobile GatewayCost Reduction Mobile GatewayCost Reduction • Why mobile gateways? • Conversion of “fixed to mobile” (or “mobile to fixed”)calls into “mobile to mobile” calls  EVT - Wn

  4. VT MultiChannelConfiguration Basics VT MultiChannelConfiguration Basics • Configuration levels per 19” IPC housing (4U): • Up to 32 GSM Channels, 4 x PRI, 1 x IP, or • Modular expansion(in steps of 4 GSM channels) • Only 2 antennas required  EVT - Wn

  5. VT MultiChannelTechnical Data VT MultiChannelTechnical Data • Interfaces • PRI: - E1/T1, TE/NT, CRC4 / double frame - Q.931, DSS1, SS7-ISUP (optional), QSIG-BC, national • GSM: - dual band engines (900/1800 Mhz) - Half rate / full rate / enhanced full rate SMS - 2 antennas (1 per 16 channels) - multiple SIM cards per GSM channel • Dimensions:- 19’’ rack mounted industrial PC (4 U high) - (555 x 440 x 177) mm - 20 kg  EVT - Wn

  6. VT MultiChannelBase Model Features • 4 x E1 support (DSS1 (Q.931), or SS7 International ISUP option) • 2/4/8 SIM/channel (256 SIMs per 32 GSM ch. Gateway) • Automatic switchover between cards (programmable trigger values) • Take advantage of different (pre-paid) time quota SIM contracts(automatic shutdown/switchover once time quota has expired) • Automatic SIM card IMSI* recognition • Avoids expensive misrouting (e.g. by wrongly replaced SIM cards) • CDR Generation • SIM Lock / IMEI lock possible (Machine is locked for one carrier only) * IMSI: International Mobile Subscriber Identification  EVT - Wn

  7. VT MultiChannelBase Model Features • Channel exploitation second to none: • Stand-by Channels configurable(e.g. two “excess” channels in a 32 ch. Gateway: stand-by SIM cards immediately take over service, leaving previous SIM card time to recover) • In-band to out-band signaling conversion: • Rejectionof useless calls(all in-band signaling is converted to out-band-signaling, allowing immediate rejection of useless calls (“busy”, “not available”, “wrong number”, etc.)) • Re-routingof useless calls(after rejection, calls are re-routed through e.g. PTT network) • High Quality of Service (QOS)Conversion of in-band alert tone into clean D-channel signaling  EVT - Wn

  8. VT MultiChannelBase Model Features • Remote management software (via ISDN and/or LAN (IP card option)) • Included with every gateway • Configuration of ALL interfaces(PRI, GSM, BRI) on ONE user screen • Remote maintenance reduces on-site visits to an absolute minimum • All maintenance ONLINE • Extensive traffic statistics tools • Built-in remote D-channel Tracing Tool  EVT - Wn

  9. VT MultiChannelBase Model Features • Selected integrated ROUTING FUNCTIONS: • Automatic routing to next available channel(in case of failure/bottleneck) • Balanced call distribution to assigned channels, based on • Number of calls • Allows effective pre-paid SIM card change (“all at once”) • Sophisticated alternative routing • Time dependent routing • CLIP / CLIR dependent routing(rejection of CLIP calls)  EVT - Wn

  10. VT MultiChannelInstallation VT MultiChannelInstallation • Installation & Setupwithin few* hour ! * Assuming appropriate site preparation (e.g. availability of E1, 220V, installed antenna cables,...)  EVT - Wn

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