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REX 200 IP-PBX: Enterprise Communications for Multi-Site Organizations
Modern enterprises operate across multiple locations—branch offices, retail stores, manufacturing facilities, and remote workforces—yet communication systems often remain fragmented and location-bound. The Redstone REX 200 IP-PBX unifies distributed communications under a single platform, delivering seamless inter-site calling, centralized management, and consistent user experiences regardless of geography.
Peer-to-Peer Multi-Site Networking
REX 200's peer-to-peer networking architecture connects geographically dispersed locations without requiring centralized call processing. Each site operates an independent REX system with local PSTN connectivity, while inter-site calls route directly over VPN or internet connections. This design eliminates single points of failure and reduces WAN bandwidth requirements compared to centralized PBX architectures.
Sites share unified dialing plans, extension directories, and call routing policies. A caller in Singapore dials a four-digit extension to reach a colleague in London, with the system automatically selecting the optimal inter-site path based on availability and cost.
Centralized Management at Scale
Manage up to 50 networked sites from a single administrative interface. Configuration changes—new extensions, routing rules, IVR updates, or firmware upgrades—deploy automatically across the entire network. Role-based access control allows regional administrators local autonomy while maintaining global policy consistency.
Advanced UC Features for Distributed Teams
REX 200 includes integrated unified communications capabilities: presence indication showing colleague availability across all sites; instant messaging and file sharing; one-click conference bridging supporting up to 64 participants; and mobile twinning ensuring calls reach employees on desk phones, softphones, or mobile devices simultaneously.
Call Recording and Compliance
Regulated industries require comprehensive call recording with centralized storage and retrieval. REX 200 supports on-demand, automatic, and selective recording policies with tamper-proof storage. Multi-site deployments consolidate recordings to central servers while maintaining local buffering for resilience. Search, playback, and export functions support compliance auditing and quality assurance.
Case Study: S Leasing Ltd Multi-Site Call Recording
S Leasing Ltd, a financial services firm operating across 12 Asian cities, deployed REX 200 systems with centralized call recording to meet regulatory requirements. The solution consolidated recordings from all locations to their Hong Kong data center, with role-based access for compliance officers, branch managers, and quality teams. Inter-site call costs decreased 65% through SIP trunking and local breakout optimization.
High Availability and Disaster Recovery
REX 200 supports 1+1 redundancy configurations with automatic failover. Dual power supplies, redundant network interfaces, and primary-standby site arrangements ensure communication continuity during hardware failures, network outages, or natural disasters. PSTN failover through FXO gateways provides additional resilience for internet connectivity failures.
Technical Capacity
Each REX 200 supports 500 SIP extensions, 100 concurrent calls, 32 SIP trunk accounts, and 64 conference ports. The system scales horizontally through peer networking, enabling organizations to grow from single-site deployments to global networks without platform migration.
Contact Redstone for a multi-site communications assessment and customized deployment architecture for your organization.
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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