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Clarity Technical Expertise

Wireless Infrastructure, Networking, Servers, and Switching
- CDMA, TDMA, UMTS
- Wireless Protocols
- Fixed Wire
- SS7
- CALEA
- Switch development
- CAMEL
- Distributed Processing
- Distributed Protocol Stacks

Software Development – Servers, Wireless Handsets  
- Push-to-Talk Services
- Location-Based Services
- BREW
- Java (J2ME and J2EE)
- Windows Mobile
- Symbian
- C, C++
- UNIX, LINUX
- Solaris

IP Networking
- VoIP
- SIP
- Streaming media
- HTML
- XML
- Vocoders
- Centralized OA&M for
  Distributed Systems

Custom Product Development Project Profiles

Many of our clients come to us because their internal resources are too lean. Or, they have complex, new product development projects that require specialized expertise. Our innovative software architectures and development processes enable us to quickly develop applications in multiple environments to maximize re-use and minimize development cost and time-to-market.

Learn more about our project successes:

Advanced Products >
Custom Solutions >
Critical Need >

Advanced Products

Project Profile: Clarity's Push-to-Talk technology provides instant and secure voice service for a leading supplier of Internet infrastructure solutions.

Business Case: Our client wanted to generate new revenue by offering its wireless carrier customers PTT functionality on a cell phone. They wanted a solution to satisfy the needs of enterprises to use instant communication for deployed workers and address the growing desire of consumers to stay connected to friends and family.

Solution: Clarity's PTT product, based on VoIP and SIP technologies, satisfies the need for both point-to-point and multipoint usage. With the solution's "always-on" connection, calls are made instantaneously without dialing, ringing, or waiting for the phone to be answered. Enhancements such as adding additional security measures and architecting the solution to meet the client's network model were made to the core PTT product. Clarity also partners with leading handset manufacturers to integrate our BREW-based PTT clients with specific handsets.

Benefits: Our client benefits by the associated increase in revenues by introducing these innovative, new services quickly and cost-effectively without making a large investment in product development.
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Custom Solutions

Project Profile: Over-the-Air Activation Function (OTAF) enables mobile phone users to download updates at point-of-sale or in the field.

Business Case: Our client, a leading wireless infrastructure provider, needed to provide a major customer with a way to program and update the mobile phones on its network. The client wanted to offer an OTAF solution -- the *228 function on many mobile phones -- to help this customer reduce costs and provide a better end-user experience.

Solution: Clarity provided software design, development, integration, testing, documentation, and product support for the OTAF project. End users can update phone configuration data and roamer lists virtually anytime, from anywhere, without having to rely on authorized agents or dealers.

Benefits: By satisfying the growing need of mobile users to automatically configure and update their phones at the point-of-sale or in the field, our client was able to reduce costs, differentiate its offering, and increase brand loyalty with one of its key customer.


Project Profile: Position Determining Entity (PDE) calculates a mobile phone's location for E-911 compliance.

Business Case: Our client, a leading provider of network communication systems, services and software, wanted to offer a PDE to enable CDMA service providers to meet the FCC's E-911 Phase-2 mandate. With millions of CDMA phones already deployed, our client wanted a highly capable PDE that would use the most accurate calculation approach for each E-911 call, even those from phones that are not GPS-capable.

Solution: Clarity provided software design and development, testing, training, documentation, deployment, and 7x24 customer support. The software, which runs on a NEBS-compliant server platform, performs geo-location calculations using satellite and/or network triangulation data to best determine the handset's position on the globe. The software has successfully completed field trials with several major carriers and is in commercial service.

Benefits: Our client was able to offer a timely, cost effective, and robust solution to meet E-911 compliance regulations.

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Critical Need

Project Profile: High-speed SS7 Links relieve an I/O bottleneck in the flagship wireless switching center of a leading communications network provider.

Business Case: The SS7 links for a wireless carrier's mobile switching centers in Metro NYC were approaching saturation. The network provider's in-house staff was unavailable to immediately address the situation, but urgent attention was still required to avoid an impending capacity problem.

Solution: Clarity designed, developed, and tested high-speed SS7 links that were put into service only days before the 9/11 disaster. The solution included changing DS-0 interfaces to DS-1 interfaces and developing new software components to manage these interfaces. The completed project was delivered early and performed flawlessly under some of the most extreme conditions imaginable.

Benefits: Our client did not have the staff with the right expertise available to deliver the feature in the required time frame. Clarity offloaded their technical staff and met an aggressive schedule to successfully thwart an I/O bottleneck with potentially extreme consequences.

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