2N BRI Lite User Manual

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Contents

2N BRI Lite User Manual Manual pdf 54 page image

542N TELEKOMUNIKACE a.s., www.2n.cz®NoteIn case the GSM gateway is installed behind the NAT, makeproper routing settings in the NAT router for the relevant ports(SIP, RTP, STUN). Integrated firewalls can also affect VoIP calls!TipShould you have call troubles (such as unilateral audibility,connection errors), make sure that all the active elements onthe VoIP call route have been set properly. For easytroubleshooting, try the point–to–point connection with thesoftware IP phone (SJ phone, e.g.) in your PC and, at the sametime, apply network analyzer tracing (WireShark –).www.wireshark.orgRefer to for easy tracing by the BRI gateway.Subs 5.1Tones generated to VoIPRing tone to VoIP – enable generation of a user ring tone or transfer of the realring tone from the GSM/UMTS networks.ISDN parametersUse this window to set the BRI ISDN port parameters. The appearance and count ofthe parameters may be different in and due to2N BRI Lite® 2N BRI Enterprise®different counts of ISDN BRI ports.BRI mode selectionMode – set the BRI1 and BRI2 (for only) ports.2N BRI Enterprise®BRI1 and BRI2TEI Address – set a fixed TEI address for connection of port(s) in thePoint–to–Point mode.MTP – activate assignment of the dynamic TEI address (Point–to–Multipointmode).Progress indicator value – set the value for each progress element for call setup.Please respect the PBX and PSTN settings to avoid wrong evaluation of messages sentby the BRI gateway and, subsequently, call setup errors. Refer to the table for thedecimal numbers to be assigned to the progress messages.