Answer
Sep 16, 2026 - 02:37 PM
VoIP protocol support refers to the standards that the adapter can use to transmit voice over the internet. The best Polycom Adapters offer robust support for standard protocols like SIP, which maximizes interoperability and simplifies deployment with most VoIP services. For example, both the Poly ATA 400 1FXS and Poly ATA 402 2FXS are SIP-compliant, ensuring easy setup and reliable voice quality. Variance in protocol support can be beneficial if you have unique infrastructure requirements, and selecting a device with broad protocol support ensures future-proofing and flexibility as technology evolves.
