Operation Manual

AT-RG613/623TX Series Residential VoIP Gateway - User Manual 13
5. Telephones and cables
AT-RG613 - POTS Telephone and Fax Operation
Check if the dial mode is set up for tone mode (T, Tone). If not, set the switch as
shown below.
Figure 21: Dial mode setting
Some models do not have this switch or the possibility to set up the tone
mode with a button. In this case please follow the instructions of the
telephone and fax used.
AT-RG623TX - ISDN Telephone and Fax
Operations
Only telephony equipment designed to use the IDSN network may be connected
to the AT-RG623TX.
The connection for ISDN telephony equipment uses the larger RJ45
connector. If the smaller RJ11 telephone cord is connected there will be
excess space around the connection.