3Com 3C882 manual Configuring the B Channel Rate, Configuring Voice Call Routing

Configuring the 3C882 ISDN Modem for a PC 3-9

Configuring the B Channel Rate

By default, the B Channel Rate is 56 Kbps. Check with your telephone company for the appropriate B Channel Rate.

To change the B Channel Rate, do the following:

1Select the appropriate radio button, 56 Kbps or 64 Kbps.

2Click the Update button to download the change to your 3C882 ISDN modem’s S register.

Configuring Voice Call Routing

If you plan to use the 3C882 ISDN modem’s analog Phone ports, you may want to change the default setting. An example using the default setting is shown in Figure 3-9.

U

RS-232 ISDN

2

1

RESET

9VDC MAX

•5A

Number 1
Telephone Number:		9085551212
Service Profile Identifier: (SPID)				015551212000
Route Voice Calls to:	Phone Port 1				Phone Port 2
Number 2
Telephone Number:			9085551213
Service Profile Identifier: (SPID)				015551213000
Route Voice Calls to:	Phone Port 1				Phone Port 2

908 555 1212	908 555 1212
908 555 1213	908 555 1213

Figure 3-9 Voice Call Routing Default Setting

By default, all Phone Port boxes are checked. This allows calls to and from both ISDN telephone numbers to ring both devices simultaneously.

You may want to exclusively assign a telephone number to a device. Instructions for configuring two common scenarios is as follows.