The Yeastar TDM Upgrade Accelerate Kit helps businesses move from outdated TDM PBX systems to modern IP telephony and unified communications. TDM PBXs, once reliable, now face high costs, limited scalability, and vendor phase-outs, while carriers retire ISDN/PSTN. The guide outlines risks of staying with TDM, such as expensive maintenance, lack of mobility, and poor integration. Yeastar simplifies migration with all-IP or phased approaches using its P-Series PBX, available in Appliance, Software, or Cloud Editions, plus VoIP gateways to bridge legacy systems. Success stories show reduced costs, improved mobility, and seamless UC adoption.

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