Momentum’s SIP Trunking datasheet positions the service as a way to modernize a legacy or IP PBX with carrier-grade reliability, on-demand scaling, and custom routing, backed by a geo-redundant network with 200+ points of presence and managed connections plus coordinated installs and support. Key highlights include high-touch 24/7 support, usage-based or unlimited pricing (subject to an acceptable use policy), full E911 functionality, global number coverage with unlimited domestic calling, and compatibility with most certified PBX vendors. It emphasizes use cases across retail, contact centers, healthcare, financial services, enterprises, and legacy modernization, and notes add-on options such as SD-WAN, cloud voice, and Teams Phone, along with number portability and multi-site deployments

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