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Voice Quality Over Wi-Fi: Making VoIP Work on Wireless Networks
Wireless endpoints give employees mobility, but Wi-Fi was originally designed for data, not real-time voice. Without proper planning, wireless VoIP calls suffer from jitter, dropouts, and poor audio.
Access Point Density
Voice devices need strong, consistent signal throughout the workspace. Plan access point density for voice coverage, not just data coverage. Overlapping cells enable smooth handoff during movement.
Roaming
Fast roaming protocols allow wireless phones and softphones to move between access points without dropping calls. Older Wi-Fi standards may cause noticeable interruptions during handoff.
QoS and Band Selection
Prioritize voice traffic on Wi-Fi using QoS settings. Use 5 GHz bands where possible to reduce congestion and interference from neighboring networks and non-Wi-Fi devices.
Endpoint Considerations
Choose wireless endpoints designed for voice, with good antennas and support for enterprise Wi-Fi security. Consumer-grade devices often struggle with consistent performance in business environments.
Redstone supports wireless and mobile extension strategies as part of broader communication deployments.
Redstone Systems, Inc. founded in Delaware, USA in December 2002, has been the ODM vendor for many well-known communications companies, serving the Southeast Asian market. In 2020, Redstone Systems will begin to return to the North America market with its self-developed brand.
Redstone has a complete product line of intelligent voice gateways, providing IP-PBXs, analog VoIP gateways (FXS/FXO), digital VoIP gateways (E1/T1), border appliances, and session boundary controllers (SBCs).
With advanced technology in digital signal processor (DSP), speech coding and speech processing, as well as efficient operational tools such as cloud remote management, auto provisioning, Redstone gateways are widely used in markets of enterprise communications, cloud communications, call centers, operators’ IMS/SIP trunks, bringing users friendly, efficient and reliable communication experience.
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