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Product & Solution > Overview > CDMA Solution
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Code Division Multiple Access (CDMA) is a digital cellular technology first proposed by Qualcomm. CDMA technology effectively uses frequency resources to meet the increasing number of mobile communication subscribers. It replaces the Advanced Mobile Phone Service (AMPS) technology that was used between 1980s and the early 1990s.
CDMA system is a mobile communication network: Mobile Station (MS), Base Transceiver Station (BTS), Base Station Controller (BSC), Mobile Switching Center/Visitor Location Register (MSC/VLR), Home Location Register (HLR), Authentication Center (AC), and Over The Air Function (OTAF).
MS is a handset with which the subscriber can make calls using the mobile communication network.
BTS wirelessly connects with MS to control the MS and to establish call channels with the MS.
BSC controls multiple BTS systems, and interworks with MSC/VLR and other core equipments.
MSC/VLR, HLR, AC, and OTAF are core network nodes in the mobile communication network, and support registration of subscriber location, authentication, and provisions for supplementary services. |
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The portions of the CDMA system that Telcoware currently possesses include HLR, AC, OTAF, Number Portability DataBase (NPDB), Packet Data Serving Node (PDSN), and Authentication, Authorization, and Accounting (AAA) as core network nodes. Also specialized value added services such as Telephony & IP Integration System (TIIS) and Voice Push Server (VPS) are provides by
interworking with the core equipment
The CDMA network provides the following services:
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CFU (Call Forwarding - Unconditional) |
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CFB (Call Forwarding - Busy) |
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CFNA (Call Forwarding - No Answer) |
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CNIP (Calling Number Identification Presentation) |
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CNIR (Calling Number Identification Restriction) |
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CNIRO (Calling Number Identification Restriction Override) |
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CNIRR (Calling Number Identification Restriction Reject) |
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CTR (Call Transfer) |
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CW (Call Waiting) |
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DND (Do Not Disturb) |
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PCA (Password Call Acceptance) |
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SCA (Selective Call Acceptance) |
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SPINA (Subscriber PIN Acceptance) |
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SPINI (Subscriber PIN Interrupt) |
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VMSU (Voice Mail Service- Unconditional) |
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VMSD (Voice Mail Service - Default) |
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RFC (Remote Feature Control) |
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3WC (Three Way Calling) |
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CC (Conference Call) |
Specialized services provided through the TCP/IP interface with the core systems are as follows:
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Caller ID Presentation Service |
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Call Keeper Service |
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Multimedia ID Presentation Service |
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Incoming Call Screen Service |
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Telcoware's CDMA system complies with TIA/EIA-41.D specifications and has adopted a flexible architecture to accommodate provider's requirements.
Significantly improved speed compared to the existing RDMBS as the main memory manages the subscriber DB
SW design to support all HW types. Any HW can be recycled[FT, HA]
Telcoware possesses element technologies [Database, SS7 Stack, and SIGTRAN]
Proven compatibility with systems of leading domestic and overseas vendors by compliance with international standards
Advanced system maintenance capacity thanks to accumulated experience in commercialization of the systems
Quick customizing to meet client requirements
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