ISDN: fits well
High Performance
Reliable
Low Tech Support
Cost-Effective; Widely Available
Standardized
128 Kbps
Digital is digital is digital
Install only issue
Tucson NO, SO, EA, Main, Rincon, Flowing Wells, Cortaro, Catalina, Sierra Vista
2 B channels == 2 business lines
Installation expensive
Very standard (and we helped write them!)
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