Integrated Voice/Data T1 Package: Let Your Data Ride Free Whether it's called "integrated" or "convergence," this buzzword adds value to key business interactions. SCB offers an integrated voice/data T1 product with 24 channels using a remote Integrated Access Device (IAD) through an existing PBX phone system. You must have 11 phone lines to qualify. The other lines can carry data at speeds of up to 256K. Call us today for pricing.