Flexible interface selection
Choose 2, 4 or 8 BRI ports, or 4 and 8-port FXS/FXO configurations according to the exact model.
Products
Mediatrix C7 Series
A compact gateway family combining analog adapter and media gateway functions with configuration-dependent FXS, FXO and ISDN BRI interfaces.
FXS, FXO and BRI options
Up to 120 voice channels
Secure DGW management
COMPACT ANALOG + BRI MEDIA GATEWAYS
What you can do with it
The Mediatrix C7 Series combines ATA and media gateway functions for branch offices and SMBs, with configuration-dependent FXS, FXO and ISDN BRI interfaces for transparent legacy-to-SIP migration.
120voice channels
FXS / FXOanalog interfaces
BRIdigital interface option
CAPABILITIES
Capabilities that matter for your project
Legacy service continuity
Local call switching, SIP routing, survivability and fax/modem transport preserve operational workflows during migration.
Secure DGW management
TLS 1.3, SRTP, certificates, zero-touch provisioning, TR-069 and diagnostic tools support controlled deployment.
DEPLOYMENT FIT
Best suited for
- Branch-office gateway
- BRI-to-SIP migration
- Analog phone and fax migration
- PSTN replacement
- Hosted UC survivability
KEY SPECIFICATIONS
Important selection data
Model familyC710, C711, C755 and C777; interface mix varies by model
Physical interfacesUp to 8 BRI, 8 FXS or 8 FXO; configuration dependent
Ethernet2 × 10/100 Base-T RJ-45
SecuritySIP over TLS, SRTP, X.509, OCSP and DoS protection
DOWNLOADS
Brochures and technical documents
Download the PDF files directly. Use the documentation portal for configuration guides, installation procedures and release-specific information.
REFERENCE ARCHITECTURE
See Mediatrix C7 Series in the complete voice path.
A product decision is only correct when both sides of the interface, the security boundary and the operating model are considered together.
NO PUBLIC INTERNET REQUIRED
Private LAN / isolated IP network
Local phones, a local IP PBX, Mediatrix gateways and Sentinel can exchange SIP calls entirely inside the organization. The voice path can remain on a private LAN, VLAN, campus network or isolated operational network.
OPTIONAL FOR EXTERNAL SERVICES
SIP carrier, PSTN, Teams or cloud
An external connection is used only when calls must reach public numbers, remote sites or hosted services. If the required call path is entirely local, the system can stay on the private network.
ANALOG / LEGACY EQUIPMENT
Analog telephone
The gateway provides the analog station interface and converts the call to SIP.
Fax machine
T.38 or G.711 behavior must be accepted by the carrier and tested end to end.
Analog modem
Data-over-audio is sensitive to codecs, jitter and packet loss and may require pass-through testing.
FXS / FXO / PRI / BRI
MIXED INTERFACES
Mediatrix C7
A compact family for configuration-dependent FXS, FXO and BRI interworking.
PRIVATE CUSTOMER NETWORK
PRIVATE IP NETWORK / LANLocal SIP signaling + RTP media
INTERNALLocal IP PBX / call server
Controls extensions and internal routing on the private network. It may remain fully on-premises.
Local calls stay localPhones and the on-site PBX can communicate without a public Internet connection.
OPTIONAL EXTERNAL PATH
SIP service
Provides telephone numbers and PSTN connectivity.
Cloud PBX / Teams
Hosted call control is reached through the correct SIP and SBC architecture.
Analog electrical interfaceDGW conversionSIP signalingRTP media
READING THE DIAGRAM
What the gateway changes—and what it does not
- Phone or endpoint
- Creates or receives a call. An analog endpoint needs an FXS interface; an IP phone connects directly to the data network.
- Fax or modem
- Sends data as audio. It must be tested through the complete gateway, network and carrier path—not only for dial tone.
- Mediatrix gateway
- Converts analog or digital voice interfaces into SIP/IP while preserving validated legacy equipment.
- Cloud voice platform
- Hosts communications services such as Microsoft Teams Phone or CCaaS outside the customer site.
Conceptual architecture — final topology, capacity and interface configuration require validation.
GATEWAY SELECTION
Match the interface to the field requirement.
Port count alone is not enough. Endpoint behavior, line length, signaling, fax or modem transport, power and carrier acceptance all affect the final choice.
Always validate the exact SKU, interface modules and supported endpoint behavior before ordering or replacing an active line.| Selection factor | 4102 / 4102S | C7 Series | G7 Series | S7 / S7 LP |
|---|---|---|---|---|
| Primary role | Two-port analog adapter | Compact multi-interface gateway | Digital and analog media gateway | High-density FXS gateway |
| Interfaces | 2 FXS | FXS / FXO / BRI by model | PRI / BRI / FXS / FXO by model | 16 or 24 FXS |
| Deployment fit | Small site or single service | Branch and mixed legacy edge | PBX and TDM modernization | Campus and high-density analog |
| Special consideration | Fax / modem validation | Exact model configuration | Trunk and channel design | S7 LP for validated long-loop needs |
FREQUENTLY ASKED
What to know before the next step.
Confirm deployment model, concurrent sessions, registered users, interfaces, codecs, carriers, resilience and operational ownership before choosing the final model or SKU.
Validate the exact hardware or virtual configuration, DGW release, license, power, interface modules, interoperability and support coverage.
Use the linked M5 data sheet for selection and the Media5 documentation portal for configuration, installation and release-specific guidance.
READY FOR THE NEXT STEP?Request a free review
Build the right voice architecture.
Share the product, deployment and target outcome. M5 will identify the right technical and commercial path.