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https://voice.ai/hub/wp-content/uploads/2025/12/juno-telecoms-86-Large.jpg19201080If your contact center still runs on ISDN trunks, you feel the limits: slow scaling, complex billing, and growing headaches keeping digital lines working for voice and data. What is ISDN, and how does Integrated Services Digital Network fit into contact center software today? This piece explains what ISDN is, how ISDN channels like PRI […]