Reliably Versatile

Session Border Controller is an essential element in the IP based Voice & Video communication infrastructure.
Therefore, it should be flexible for dealing with growing feature requirements from various customer services and operational environments, secure enough to protect user information and network topology, and powerful to provide carrier class high performance with single software platform.
Nable nXer SBC's long established world first S/W architecture is the answer to guarantees agile and seamless VoIP implementation to any type of service, any kind of environments, and any size of subscribers.


The future-oriented Nable nXer SBC has been deployed for various services such as VoLTE, RCS, OTT, mVoIP, SIP trunking, etc.
since 2008 when its pure software architecture was very early and innovative concept.
Nable nXer SBC's software is designed in a modular manner to interconnet with various SIP nodes (IP-PBX, SIP Proxy) in a single element which is similar to current NFV concept.
With its high flexibility, Nable nXer SBC is easy to adopt new services for fast mover, easy to customize for any customer, and superb cost-efficient by using COTS (Commercail-off-the-Shelf) server.


One of the most significiant VoIP issues service providers or enterprises face is security.
To protect voice call and network infrastructure of enterprise from malicious attack, strong security mechanism with encryption is highly required.
With its built-in security features, Session Border Controller is positioned as the mostpowerful security device in VoIP session.
It is mainly deployed at the border of network to encrypt SIP signaling and media stream between UE (IP-phone, Mobile phone with FMC client) and SIP Proxy (IP-PBX, IP-Centrex, IMS Core) and two peering nodes (SIP Trunking).
Nable nXer SBC is designed to provide stable VoIP service under heavy security attack has been deployed in many service provider networks and government offices.


With its flexible software architecture, Nable nXer SBC has realized 'Slim form factor, Strong performance' (1U for 500,000 subscribers and 32,000 cuncurrent sessions).
And because the system is designed to maximize capacity for RTP and transcoding processing with growing processor performance, it can provide higher capacity when new high-performance processor is commercially available in the market.
This software power can be applied in NFV and Cloud VoIP network.

Major Customers

Award Winner

TMC 2014 Internet Telephony

TMC "2014 Internet Telephony Product of the Year” nXer™ SBC

TMC '2014 NFV Pioneer'nXer SBC

TMC “2014 NFV Pioneer” nXer™ SBC

TMC '2014 NFV Pioneer'nXer SBC

TMC “2016 Internet Telephony Product of the Year” nXer™ Cloud SBC

Nable Communications is a public company in Korea. We provide IP-based next generation communication solutions for operators, OTT service providers, enterprises, and handset vendors.
Nable’s customers in Korea include SKT, KT, LGU+, Samsung Electronics, LINE, etc.

Nable also has overseas customers in UK, Spain, India, Japan, Malaysia, and Hong Kong, etc.
We successfully launched various IMS and VoIP solutions for commercial services, which include SBC (Session Border Controller), IBCF/TrGW, IP-PBX, UC (Unified Communications), Configuration Provisioning enabler, WebRTC2IMS Gateway, and Push Gateway, etc,.
Nable is a market leader for Rich Communication technologies in Korea since it successfully commercialized GSMA RCS-e in 2012.
We provides a full eco-system for Rich Communications from clients to application enablers compliant with GSMA RCS standards.

Our vision is to become a global market leader in IP communication industry by providing solutions connecting among all the objects including human to human, human to device and device to device.
We keep challenging proactively and never stop making better solutions to provide our customers and users with more values.

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