ZyXEL Omni TA 128 User Guide - Page 96
Placing a Call
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• ATCN - When and only when the type-of-number denotes a national number will this "Prefix" be added to the Calling-party-number before indicating it to the DTE. • ATCN - Disable the national number prefix-adding function. (Default) O NOTE: The angle brackets '' are part of this command. Disable inbound call connection In some cases, the user may desire the TA128 to not answer any incoming calls. This can be done by setting the bit 0 of S-register S118: • S118.0=0 - Enable the TA128 to answer a call (by default). • S118.0=1 - Disable the TA128 to answer any call. Point-to-Point Configuration In some areas, since Direct-Dial-In (DDI) number is less expensive than MSN, users may want to subscribe to point-to-point ISDN to employ the DDI function. In this case, only one TA can be connected to the ISDN line and the TEI (Terminal Equipment Identifier) is always ZERO. This can be done by setting the bit 1 of S-register S119: S119.1 = 0 - Disable point-to-point DDI function (default). S119.1 = 1 - Enable point-to-point DDI function. Placing a Call To initiate a call, configure the TA128 according to the Bearer Service (or protocol) you want to use. • ATBnn - for ISDN data calls. 84