Voice Products

SBC® ISDN Prime Service
Consolidates multiple voice and data services onto a single line.

SBC® Digital Transport Service-Enhanced digital trunking
SBC® Digital Transport Service provides digital connectivity of voice-grade digital access lines (DSOs) from the Central Office switch or multiplexer to your location.

SBC® Completelink™ discount usage plan
SBC® Completelink™ is a volume discount plan which gives business customers a pricing advantage on their overall spending through lower toll rates, discounts on local usage, business lines and toll-free services.

SBC® Business Lines
SBC® business lines connect your business with customers and suppliers, ensuring the highest-quality voice transmissions and unmatched reliability.

SBC® PBX Lines
Trunk lines for your PBX system

SBC® POTS Lines
Standard voice service over copper