{"product_id":"carte-nortel-meridian-ntck43ab-2mb-digital-pri-isdn-neuve-cs1000","title":"📞 Nortel Meridian Ntck43ab 2mb Digital Pri Isdn New Cs1000 📞","description":"  \u003clink href=\"\/\/open.inkfrog.com\/templates\/designer\/styles\/user\/53111.css\" rel=\"stylesheet\" type=\"text\/css\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta content=\"width=device-width, initial-scale=1.0\" name=\"viewport\"\u003e\u003cstyle\u003e * { margin: 0; padding: 0; box-sizing: border-box; } body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; background-color: #f5f5f5; } .container { max-width: 1000px; margin: 0 auto; background-color: #ffffff; padding: 0; } .header { background: linear-gradient(135deg, #1e3c72 0%, #2a5298 50%, #3d6bb3 100%); color: white; padding: 40px 30px; text-align: center; border-radius: 0; } .header h1 { font-size: 28px; margin-bottom: 10px; font-weight: 600; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); } .header p { font-size: 16px; opacity: 0.95; } .content { padding: 30px; } .section { margin-bottom: 35px; padding: 25px; background-color: #f8f9fa; border-left: 5px solid #2a5298; border-radius: 5px; } .section h2 { color: #1e3c72; font-size: 22px; margin-bottom: 15px; display: flex; align-items: center; gap: 10px; } .section p { margin-bottom: 12px; text-align: justify; font-size: 15px; } .specs-table { width: 100%; border-collapse: collapse; margin: 20px 0; background-color: white; box-shadow: 0 2px 4px rgba(0,0,0,0.1); } .specs-table tr { border-bottom: 1px solid #e0e0e0; } .specs-table tr:last-child { border-bottom: none; } .specs-table td { padding: 15px; font-size: 15px; } .specs-table td:first-child { font-weight: 600; color: #1e3c72; width: 40%; background-color: #f0f4f8; } .highlight-box { background: linear-gradient(135deg, #e3f2fd 0%, #bbdefb 100%); border: 2px solid #2a5298; border-radius: 8px; padding: 20px; margin: 20px 0; } .highlight-box ul { list-style: none; padding-left: 0; } .highlight-box li { padding: 8px 0; padding-left: 25px; position: relative; font-size: 15px; } .highlight-box li:before { content: \"✓\"; position: absolute; left: 0; color: #2a5298; font-weight: bold; font-size: 18px; } .faq { background-color: white; border-radius: 5px; } .faq-item { margin-bottom: 20px; padding: 20px; background-color: #f8f9fa; border-radius: 5px; border-left: 4px solid #2a5298; } .faq-question { font-weight: 600; color: #1e3c72; font-size: 16px; margin-bottom: 10px; } .faq-answer { color: #555; font-size: 15px; line-height: 1.6; } .footer { background-color: #1e3c72; color: white; padding: 30px; text-align: center; margin-top: 40px; } .footer p { margin: 8px 0; font-size: 14px; } .warranty-badge { display: inline-block; background-color: #4caf50; color: white; padding: 8px 16px; border-radius: 20px; font-weight: 600; margin: 10px 5px; font-size: 14px; } .info-badge { display: inline-block; background-color: #2196f3; color: white; padding: 8px 16px; border-radius: 20px; font-weight: 600; margin: 10px 5px; font-size: 14px; } @media (max-width: 768px) { .container { margin: 0; } .header h1 { font-size: 22px; } .content { padding: 20px; } .section { padding: 15px; } .specs-table td { padding: 10px; font-size: 14px; } .specs-table td:first-child { width: 45%; } } \u003c\/style\u003e\u003cmeta content=\"NORTEL NTCK43AB, carte PRI 2MB ISDN 30B+D Release 10 pour Meridian\/CS1000, neuve et authentique.\" name=\"description\"\u003e   \u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"header\"\u003e\n\u003ch1\u003e📞 Nortel Meridian NTCK43AB 2MB Digital PRI Card - Professional ISDN Interface Release 10 📞\u003c\/h1\u003e\n\u003cp\u003e2MB Digital PRI Card for Nortel Meridian Option \u0026amp; CS1000 Telephone Systems | Reference NNTMET00B2EF\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content\"\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e📋 Product Overview\u003c\/h2\u003e\n\u003cp\u003e The Nortel Meridian NTCK43AB card is a high-performance 2MB digital PRI (Primary Rate Interface) interface card designed for Nortel Meridian Option and Communication Server 1000 enterprise communication systems. This professional card enables connection of ISDN PRI digital telephone lines to simultaneously manage up to 30 voice and data communication channels. \u003c\/p\u003e\n\u003cp\u003e Equipped with DPRI (Digital Primary Rate Interface) technology, this card is the ideal solution for businesses requiring robust and scalable telephone connectivity. Compatible with European E1 and American T1 standards, it offers maximum flexibility for integration into various professional telecommunication infrastructures and call centers. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003e⚠️ Important:\u003c\/strong\u003e Photos are for illustration only; only the content of the listing is authoritative for the exact product reference and included accessories. If in doubt, please contact us. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"highlight-box\"\u003e\n\u003ch3 style=\"color: #1e3c72; margin-bottom: 15px;\"\u003e🎯 Key Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eHigh-capacity 2MB digital PRI card (30B+D)\u003c\/li\u003e\n\u003cli\u003eCompatible with Nortel Meridian Option 11C\/51C\/61C\/81C and CS1000\u003c\/li\u003e\n\u003cli\u003eSupports ISDN PRI European E1 standard (2.048 Mbps)\u003c\/li\u003e\n\u003cli\u003eRelease 10 with advanced signaling features\u003c\/li\u003e\n\u003cli\u003eEasy installation in standard Meridian chassis\u003c\/li\u003e\n\u003cli\u003eAdvanced management of incoming and outgoing calls\u003c\/li\u003e\n\u003cli\u003eSupports Q.931 and Q.921 protocols for ISDN signaling\u003c\/li\u003e\n\u003cli\u003eFlexible configuration for DID, DOD, and networking\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e🔧 Detailed Technical Features\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer Reference\u003c\/td\u003e\n\u003ctd\u003eNortel NTCK43AB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNortel Alternate Code\u003c\/td\u003e\n\u003ctd\u003eNNTMET00B2EF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital PRI Interface Card (DPRI Card)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Family\u003c\/td\u003e\n\u003ctd\u003eNortel Meridian Option \u0026amp; CS1000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelease Version\u003c\/td\u003e\n\u003ctd\u003eRISE\/RLSE 10\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Capacity\u003c\/td\u003e\n\u003ctd\u003e2 MB (2 Megabits)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eISDN Primary Rate Interface (PRI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTransmission Standard\u003c\/td\u003e\n\u003ctd\u003eE1 (2.048 Mbps) \/ T1 (1.544 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of B Channels\u003c\/td\u003e\n\u003ctd\u003e30 B (Bearer) channels at 64 Kbps each\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignaling Channel\u003c\/td\u003e\n\u003ctd\u003e1 D (Delta) channel at 64 Kbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannel Configuration\u003c\/td\u003e\n\u003ctd\u003e30B+D (European E1 standard)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignaling Type\u003c\/td\u003e\n\u003ctd\u003eISDN Q.931 (Layer 3) and Q.921 (Layer 2)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Protocols\u003c\/td\u003e\n\u003ctd\u003eEURO ISDN, NI-2, DMS-100, 5ESS, QSIG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLine Encoding\u003c\/td\u003e\n\u003ctd\u003eHDB3 (E1) \/ B8ZS (T1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eImpedance\u003c\/td\u003e\n\u003ctd\u003e120 Ω (E1 balanced) \/ 100 Ω (T1)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterface Connector\u003c\/td\u003e\n\u003ctd\u003eRJ-45 or BNC (depending on configuration)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported Call Types\u003c\/td\u003e\n\u003ctd\u003eDID, DOD, Tie Trunks, Networking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eISDN Features\u003c\/td\u003e\n\u003ctd\u003eCalling Line ID, Name Display, Call Transfer, Call Forwarding\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClock Synchronization\u003c\/td\u003e\n\u003ctd\u003eCompatible with NTAK20 Clock Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDCH Interface\u003c\/td\u003e\n\u003ctd\u003eCompatible with NTAK93 DCH Interface (D-Channel Handler)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eMeridian 1 Option 11C, 51C, 61C, 81C, CS1000M\/E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCard Format\u003c\/td\u003e\n\u003ctd\u003eStandard Nortel format for Meridian chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Voltage\u003c\/td\u003e\n\u003ctd\u003e+5V DC, ±12V DC (provided by backplane)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eApproximately 10-15W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to 45°C (32°F to 113°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApproximate Weight\u003c\/td\u003e\n\u003ctd\u003e0.3 kg (300 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L x W x H)\u003c\/td\u003e\n\u003ctd\u003e250 mm x 180 mm x 25 mm (approximate)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eNortel Networks (Avaya)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCountry of Manufacture\u003c\/td\u003e\n\u003ctd\u003eCanada \/ United States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eNEW - Never Installed\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e✅ Authenticity \u0026 Quality Guaranteed\u003c\/h2\u003e\n\u003cp\u003e All our products are \u003cstrong\u003eoriginal brand and authentic\u003c\/strong\u003e. We do not sell any compatible or counterfeit products. This Nortel NTCK43AB card is a genuine manufacturer’s equipment, guaranteeing maximum performance, proven reliability, and full compatibility with your Nortel Meridian and Communication Server 1000 telephone systems. \u003c\/p\u003e\n\u003cp\u003e The product is in \u003cstrong\u003elike-new condition\u003c\/strong\u003e, never installed or used, and retains all original protections. Each card is carefully inspected before shipment to ensure impeccable quality and optimal operation upon installation. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e🚀 Applications \u0026 System Compatibility\u003c\/h2\u003e\n\u003cp\u003e This PRI card NTCK43AB Release 10 is fully compatible with the entire Nortel Meridian range and offers seamless integration into various professional telephone system configurations. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Systems:\u003c\/strong\u003e Nortel Meridian 1 Option 11C (Compact), Option 51C (Small), Option 61C (Medium), Option 81C (Large), Communication Server CS1000M (Meridian), CS1000E (Enterprise), CS1000S (Small). This card also works with IP expansion cabinets for distributed multi-site deployments. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBusiness Applications:\u003c\/strong\u003e Inbound and outbound call centers, multi-site enterprise telephone systems, private voice networks (telephone VPNs), PABX interconnection for inter-site networking, DID (Direct Inward Dialing) lines for direct numbering, integration with Meridian Mail voicemail, CTI (Computer Telephony Integration) solutions. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eUsage Environments:\u003c\/strong\u003e Large companies and SMEs, public administrations and local authorities, healthcare facilities (hospitals, clinics), educational institutions (universities, schools), customer contact centers (B2B and B2C call centers), hotels and conference centers, telecom operators and managed service providers. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e📡 ISDN PRI Technology Explained\u003c\/h2\u003e\n\u003cp\u003e ISDN PRI (Integrated Services Digital Network - Primary Rate Interface) is the reference technology for connecting professional telephone systems to public digital networks. This end-to-end digital interface ensures superior voice quality compared to traditional analog lines while offering advanced signaling and call management capabilities. \u003c\/p\u003e\n\u003cp\u003e With its 30B+D configuration (European E1 standard), this NTCK43AB card can manage up to 30 independent telephone calls simultaneously on a single physical interface, equivalent to 30 traditional phone lines. The D channel (Delta) handles out-of-band signaling, enabling caller ID display, name transmission, and advanced features like call transfer, forwarding, and multiparty conferencing. \u003c\/p\u003e\n\u003cp\u003e PRI technology also supports data applications, allowing simultaneous transmission of voice and data at 64 Kbps per channel. This flexibility makes the NTCK43AB card a versatile solution for modern businesses requiring voice-data convergence and integration with business IT applications (CRM, ERP). \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e🔌 Installation \u0026 Configuration\u003c\/h2\u003e\n\u003cp\u003e Installing the NTCK43AB card in a Nortel Meridian system requires a qualified telecom technician certified by Nortel\/Avaya. The card fits into an available slot in the Meridian chassis and connects to synchronization equipment (NTAK20 Clock Controller) and the D channel manager (NTAK93 DCH Interface or NT6D11 DCH card depending on configuration). \u003c\/p\u003e\n\u003cp\u003e Software configuration is done via the Meridian system LD overlays, including LD 17 for hardware definition of the PRI card, LD 15 for ISDN client configuration, LD 16 for service route definition, LD 14 for B channel and PRI trunk configuration, and LD 73 for clock synchronization. Detailed technical documentation is available from Nortel Networks for system administrators. \u003c\/p\u003e\n\u003cp\u003e For connection to the operator network, a CSU\/DSU (Channel Service Unit \/ Data Service Unit) may be required depending on the telecommunications provider's requirements. Connection cables must comply with structured cabling standards for high-speed digital transmission (shielded twisted pair cable, minimum category Cat5e). \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"highlight-box\"\u003e\n\u003ch3 style=\"color: #1e3c72; margin-bottom: 15px;\"\u003e🎁 Your Customer Benefits\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cspan class=\"warranty-badge\"\u003e30-Day Warranty\u003c\/span\u003e Full protection against manufacturing defects\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"info-badge\"\u003eSecure Shipping\u003c\/span\u003e Fast shipping with carrier tracking number\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"info-badge\"\u003eProfessional Invoice\u003c\/span\u003e Invoice with 0% VAT in paper format included in every package\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"info-badge\"\u003eAuthentic Product\u003c\/span\u003e Original Nortel equipment, never compatible substitutes\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"info-badge\"\u003eCertified Like New Condition\u003c\/span\u003e Card never installed, in its original packaging\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"info-badge\"\u003eResponsive Customer Service\u003c\/span\u003e Support available for all your questions\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e⚠️ Important Information\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation required:\u003c\/strong\u003e This PRI card requires the intervention of a qualified telecom technician trained on Nortel Meridian systems for physical installation and software configuration. In-depth knowledge of Meridian programming overlays (LD) and ISDN protocols is essential for successful commissioning. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSoftware and technical support:\u003c\/strong\u003e We do not provide technical support for configuration, programming, or integration of this card into your telephone system. This product is intended exclusively for professional telecom technicians, certified Nortel system administrators, or experienced telecom integrators. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDisclaimer:\u003c\/strong\u003e Installation and configuration of this equipment must comply with Nortel Networks technical specifications and telecom regulations in your country. We disclaim all responsibility for incorrect installation, improper configuration, or regulatory non-compliance. The card must be installed in a stable electrical environment with proper grounding. \u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"section faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions (FAQ)\u003c\/h2\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ1: Is this NTCK43AB card compatible with my Nortel Meridian Option 61C system?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e Yes, the NTCK43AB Release 10 PRI card is fully compatible with the Nortel Meridian Option 61C and the entire Meridian 1 range including Options 11C, 51C, 61C, and 81C, as well as the Communication Server CS1000M, CS1000E, and CS1000S systems. This card also works with IP expansion cabinets for distributed multi-site deployments. It supports single-cabinet and multi-cabinet configurations with inter-system networking. Just ensure your system has a free slot, a compatible DCH (D-Channel Handler) card like the NTAK93 or NT6D11, and an NTAK20 clock controller for synchronization. Release 10 offers extended compatibility with both recent and older Meridian software versions. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ2: What is the difference between a 2MB PRI card and a 1.5MB PRI card?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e The fundamental difference lies in the transmission standard used and the number of available channels. A 2MB PRI card like the NTCK43AB uses the European E1 standard operating at 2.048 Mbps with 30 B (Bearer) channels of 64 Kbps each plus 1 D (Delta) signaling channel at 64 Kbps, making a 30B+D configuration. A 1.5MB PRI card uses the North American T1 standard operating at 1.544 Mbps with only 23 B channels of 64 Kbps plus 1 D signaling channel, making 23B+D. The E1 (2MB) standard therefore offers 30% more capacity with 7 additional voice channels per interface. If you are in Europe, Africa, Asia, or the Middle East, you should use a 2MB E1 card. For North America and some Asian countries, use the 1.5MB T1. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ3: Do I need other cards or equipment to use this PRI card?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e Yes, for optimal operation of the NTCK43AB card, several complementary components are required in your Meridian system. You will definitely need a DCH (D-Channel Handler) card such as the NTAK93 (daughterboard) or NT6D11AB\/AE\/AF (standalone DCH card) to manage D channel signaling. An NTAK20 Clock Controller is also required in each cabinet containing digital trunks to ensure bit-level synchronization. The QCAD328A cable (special RS422 cable) is necessary to connect the PRI card to the DCH card. Finally, depending on your telecom operator, an external CSU\/DSU may be required for the interface with the public network. Refer to the Nortel \"ISDN PRI Installation Guide\" documentation for full hardware configuration details. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ4: Does this PRI card support caller number and name presentation features?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e Absolutely, the NTCK43AB card with Release 10 fully supports advanced ISDN caller ID features including CLIP (Calling Line Identification Presentation) for displaying the caller’s number, CNIP (Calling Name Identification Presentation) for transmitting the name associated with the number, and COLP (Connected Line Identification Presentation) for identifying the connected number. These features also depend on your telecom operator’s support and subscription to the appropriate ISDN PRI line services. Configuration is done via Meridian overlays LD 15 (NCNA, NCRD parameters) and LD 16 (route configuration). Meridian M2xxx digital phones with displays natively benefit from this information for effective caller identification. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ5: Can multiple NTCK43AB cards be used in the same Meridian system?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e Yes, you can install multiple NTCK43AB PRI cards in the same Nortel Meridian system to increase trunking capacity and handle a higher volume of simultaneous calls. A Meridian Option 61C system can support up to 32 PRI interfaces (960 simultaneous B channels), while an Option 81C can manage up to 160 PRI interfaces (4800 B channels). Each PRI card requires its own DCH connection and unique loop number in the system configuration. Multiple cards also provide redundancy and high availability: if one PRI interface fails, the others continue to operate. Multi-PRI configuration is done by defining multiple PRI loops in LD 17 with their respective parameters, then creating the corresponding routes and trunks in LD 16 and LD 14. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ6: Does this card work with modern VoIP and SIP trunking providers?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e The NTCK43AB card is a traditional ISDN PRI interface designed to connect your Meridian to switched telephone networks (RTCP\/PSTN) via E1 digital lines. To use VoIP or SIP trunking services, you will need an intermediary device called a VoIP\/ISDN gateway that converts SIP protocols into ISDN PRI signaling. Solutions like Cisco Cube, AudioCodes Mediant, or Patton SmartNode can be placed between your VoIP SIP provider and your Meridian system equipped with NTCK43AB cards. This approach allows you to modernize your connectivity by migrating to VoIP while preserving your existing Meridian investment. Alternatively, Avaya offers native IP cards for CS1000 if you want direct VoIP integration without an external gateway. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cdiv class=\"faq-question\"\u003eQ7: What is the typical lifespan of a Nortel NTCK43AB PRI card?\u003c\/div\u003e\n\u003cdiv class=\"faq-answer\"\u003e Nortel NTCK43AB PRI cards are renowned for their exceptional reliability and longevity. Under normal usage conditions with a properly climate-controlled environment (controlled temperature, low humidity, stable electricity), these cards can operate continuously for 10 to 15 years or more. The industrial-grade electronic components used by Nortel ensure durability beyond consumer standards. The MTBF (Mean Time Between Failures) for these cards generally exceeds 100,000 hours of continuous operation. The main causes of premature failure are electrical surges, excessive temperatures, and humidity. To maximize lifespan, ensure your equipment room has adequate air conditioning, electrical protection UPS, and regular preventive maintenance including cleaning fans and connectors. \u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"footer\"\u003e\n\u003ch3 style=\"margin-bottom: 15px;\"\u003e🏢 IT\u0026amp;Office - Your Professional Telecom Equipment Partner\u003c\/h3\u003e\n\u003cp\u003e✅ Authentic products | ✅ Professional service | ✅ Secure shipping\u003c\/p\u003e\n\u003cp\u003e📧 Contact us for any questions before purchase\u003c\/p\u003e\n\u003cp style=\"margin-top: 20px; font-size: 12px; opacity: 0.8;\"\u003e © 2025 IT\u0026amp;Office - All rights reserved | Invoice with 0% VAT provided \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\u003cimg src=\"https:\/\/hit.inkfrog.com\/t\/hit.gif\" style=\"max-width:100%\"\u003e  ","brand":"NORTEL","offers":[{"title":"Default Title","offer_id":53964917014851,"sku":"RDC B5 Ntck43ab","price":62.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1737\/6915\/files\/10_ca1251cc-d1fa-43dd-9c63-d7f18f6b6dac.jpg?v=1765204115","url":"https:\/\/itandoffice.com\/en\/products\/nortel-meridian-ntck43ab-2mb-digital-pri-isdn-card-new-cs1000","provider":"IT And Office","version":"1.0","type":"link"}