How do I provision my ISDN service for use with audio codecs?
ISDN provisioning, especially in North America, can be very confusing. You need to specify parameters such as voice and/or data use, number of terminals, terminal type, and many other parameters. If your service provider asks for or understands the meanings of ‘Capability Codes’, ask for Capability Code ‘R’ (formerly known as Generic Data I). If they do not understand these codes, print these pages and FAX them to your service provider. When ordering ISDN, make sure to specify that you want long distance service on both ‘B’ channels, and specify a long distance carrier. Why did the phone company give me two phone numbers? Must I use them both? Users of ISDN have access to two individual 64 kb/s bearer channels. These channels can be used separately or together. Most areas of North America and some other countries will differentiate these two channels by assigning different phone numbers to each. The phone company only gave me one phone number. Do I still have 2 ‘B’ channels? Yes. Some
