Bichara Tecnologia offers three solutions to implement LNP - Local Number Portability. Click to get more information:
» LNP SIP - VoIP / GSM (SIM Boxes) integration for Service Providers.
- SIP 302 – Moved Temporarily:
- Re-route based on standard SIP message;
- Answer to INVITE message, signalling only: no media involved;
- SIP dialog finishes just after 302 message;
- SIP reply URL customization (Contact).
- Forward:
- Forward SIP dialog messages using Via / Record-Route engine;
- No extra configuration needed;
- SIP forward message customization (Invite).
LNP-SIP is running with:
» LNP PSTN - SS7 signalling support for PSTN (Telcos).
- GW TCAP / REL:
- TCAP or "Release Cause" query;
- SS7 standard over E1 circuits;
- Signalling only: no media involved;
- Routing prefixes and codes customization.
- GW SS7:
- Call forward over E1 / SS7 links;
- No extra configuration required: full prefix and routing customization;
- High performance and availability.
LNP-PSTN connects with:
» BDO - Telco LNP database implementation (brazilian LNP standard).
- Full BDO implementation:
- Complies with Cleartech/ABR specification;
- SPG - Service Provider Gateway;
- VzBDO - BDO message engine;
- SQL engines: Oracle or MySQL.
- BDO Mirror:
- BDO database mirror (query only);
- Master BDR sincronization;
- SQL engine: MySQL.
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+Technologies
Billing / DETRAF R2 / ISDN SS7 SIP SoftSwitch SMS MegaVoz 3G Wi-Fi ADSL2+
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"A integração da Portabilidade Numérica (LNP) com nossa rede foi fácil e rápida." Tiago Pfefer - Intertelco 
