2N StarGate/BlueTower v5.5 - Manual (Page 36)

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2N TELEKOMUNIKACE a.s., www.2n.cz
®
Example of Connection with 2ISDN PRI Board
Warning
The ISDN port mode (TE or NT) and synchronisation type (Master/Slave)
must be different on the PBX (PSTN) and on the gateway. The TEI number
must have the same value (default = 0).