Description
The AudioCodes Mediant 1000B M1KB-D1 is a compact, modular, and highly scalable hybrid media gateway engineered to bridge legacy TDM systems with modern IP networks. Ideal for enterprise environments and small-scale carrier deployments, it provides a reliable and flexible solution for VoIP migration, PSTN connectivity, and mixed telephony environments.
Equipped with one T1/E1 span module and five additional open bays, the M1KB-D1 offers extensive expansion options to support digital spans, analog lines, BRI interfaces, and advanced media processing. Built on AudioCodes’ VoIPerfect™ architecture, it ensures superior voice quality, broad interoperability, and robust signaling support across diverse telephony protocols.
Whether integrating legacy PBX systems, connecting IP-PBX platforms to the PSTN, or building a mixed analog/digital telephony infrastructure, the Mediant 1000B M1KB-D1 delivers exceptional reliability, security, and service continuity with optional lifeline interfaces and redundant configurations.
| Category | Details |
|---|---|
| Product Type | Hybrid Media Gateway |
| Model / SKU | AudioCodes Mediant 1000B M1KB-D1 |
| Installed Module | 1× T1/E1 span module |
| Expansion Bays | 5 available bays for digital, analog, or BRI voice modules |
| Supported Digital Modules | Up to 4× 1-span, 2× 2-span, or 1× 4-span T1/E1 modules |
| Supported Analog Modules | Up to 6× 4-port FXS/FXO modules (24 ports max) |
| Supported BRI Modules | Up to 5 modules (40 BRI sessions, SIP only) |
| Mixed Interface Support | Mixed digital, analog, and BRI configurations |
| Network Interfaces | 1 active/standby pair of 10/100/1000 Ethernet ports |
| Telephony Protocols | SIP, H.248, MGCP (analog modules), QSIG, CAS, ISDN PRI |
| Voice Codecs | G.711, G.726, G.727, G.723.1, G.729, GSM FR/EFR, iLBC, EVRC, AMR, G.722, more |
| Fax/Modem Support | T.38 real-time fax, PCM/ADPCM fallback |
| Echo Cancellation | G.165 & G.168 (32/64/128 ms tail lengths) |
| Quality Enhancements | Jitter buffer, VAD, CNG, VLAN tagging (802.1p/Q), DiffServ, RTCP-XR |
| DTMF Support | RFC 2833, in-band, out-of-band |
| Security | IPSec, TLS/SIPS, HTTPS, SRTP, RADIUS login control |
| Signaling – Digital | T1/E1 CAS, MF-R1, R2 MFC, ISDN PRI (ETSI/NI2/DMS100/5ESS), SIGTRAN |
| Signaling – Analog | FXS/FXO, Caller ID, polarity reversal, metering, VMWI, distinctive ringing |
| Transport Protocols | RTP/RTCP (RFC 3550/3551) |
| Power Supply | 100–240V AC, 50/60 Hz, single PSU (redundant optional) |
| Form Factor | 1U rack-mount, 19-inch width |
| Use Cases | PSTN trunking, IP-PBX integration, legacy PBX migration, mixed telephony environments, hosted UC, contact centers |
Payment & Security
Your payment information is processed securely, and we do not store credit card details or access your credit card information.
Return Policy (Short Summary)
We offer a 30-day return window for most unopened, factory-sealed items.
Returns must be authorized before shipping back and must include all original packaging and accessories. Opened or used items are not returnable unless defective.
Some products—such as custom orders, special-order items, audio gear, software, and LED video walls—are non-returnable. Non-defective returns may be subject to a 20–30% restocking fee, and customers are responsible for return shipping costs.
For damaged or incorrect items, please contact us immediately.
From Scope to Sign-Off
A structured delivery process designed to reduce risk and keep projects moving.
Plan
Discovery, site review, requirements gathering, and project alignment. We define scope, constraints, and success criteria before any design work begins.
- Discovery calls & stakeholder interviews
- On-site survey & infrastructure review
- Requirements & use-case documentation
- Project scope, timeline & milestone alignment
Engineer
System design, schematics, signal flow, BOM development, and documentation. Every project leaves this phase with a complete engineering package.
- AV system design & signal flow diagrams
- Equipment selection & BOM development
- Rack layout & control system design
- As-built documentation package
Deploy
Procurement, logistics, installation, programming, commissioning, and training. We own the delivery from first shipment to final handoff.
- Authorized procurement & logistics coordination
- Physical installation & cable management
- Control system programming & configuration
- Commissioning, testing & end-user training
Support
Monitoring, maintenance, lifecycle planning, and long-term service agreements. We stay engaged long after project close.
- 24/7 remote system monitoring
- Preventive & reactive maintenance
- Technology lifecycle & refresh planning
- Long-term service level agreements
A decade of delivery — trusted by 275+ clients across industries
