ClearlyIP 24 Port Non-Modular FXS Analog Gateway

Analog VoIP Gateways

ClearlyIP 24 Port FXS Non-Modular Analog VoIP Gateway

The ClearlyIP 24 Port Non-Modular Analog VoIP Gateway is a high-performance, cost-effective solution designed for enterprise telephony. With a 24 FXS interface, it supports a smooth transition from analog to IP systems, providing advanced features, robust security, and compatibility with the latest VoIP technologies for reliable business telephony.

Buy Now


ClearlyIP 24 Port Non-Modular FXS Analog VoIP Gateway


ClearlyIP 24 Port Non-Modular Analog VoIP Gateway Data Sheet

Documentation Wiki

Buy ClearlyIP Gateways



ClearlyIP VoIP Gateway Rack

Powered by

Innovative VoIP Technology from ClearlyIP

The ClearlyIP 24 Port Non-Modular FXS Analog VoIP Gateway is a cutting-edge solution for integrating analog devices into VoIP systems. It offers high reliability with features like SIP registration failover, redundant Ethernet ports, and advanced functionalities such as call forwarding and caller ID. Emphasizing investment protection, it ensures compatibility with evolving VoIP technologies. With up to 24 FXS ports, it caters to diverse applications like multi-tenant setups and enterprise telephony, making it a versatile and cost-effective choice for modern telecommunications.


Comprehensive Feature Set

As an intelligent gateway running on an embedded Linux operating system, these gateways support an advanced feature set such as call forward, call transfer, 3-way calling, caller ID, DND, color ringback, call forking, automatic routing, Digitmap, and much more, to provide a complete and highly reliable VoIP solution applicable to most scenarios.

Robust Protection Against Intrusions

The ClearlyIP 24 Port Non-Modular Analog VoIP Gateway provides a rich set of features to support perimeter protection against malicious intrusions, such as brute force logins and SIP attacks, ensuring a high level of security in your IP telephony environment.

Investment Protection

Investment protection is a significant part of the ClearlyIP VoIP product development focus, providing better returns for the customers who invest in VoIP products by maintaining compatibility with the newest VoIP technologies via software upgrading, avoiding repeated investments.



ClearlyIP 24 Port Non-Modular VoIP Gateway Features


  • SIP/MGCP protocols
  • 500 routing and number manipulation rules
  • Fax over IP using T.38 & G.711 pass-through
  • RJ21 interface with per line LED
  • Dual redundant gigabit Ethernet ports
  • Class I lightning protection
  • Dual AC/DC power supplies available
  • Auto provisioning with Config File Management
  • Management with the ComXchange Gateway Provisioning Module
  • Interoperability with popular SIP servers, such as Cisco CallManager/CUCM, Broadsoft, Microsoft Skype for Business (Lync), Asterisk, FreePBX, and ComXchange



ClearlyIP 24 Port Non-Modular VoIP Gateway Specs

  • Call Control: SIP/UDP and SIP/TCP (RFC3261), IMS (3GPP), MGCP (RFC3435)
  • Network: SSH, HTTP, HTTPS, DHCP/PPPoE client, Radius, DNS (A/SRV record), STUN
  • Call ID: Bellcore/Telcordia, ETSI, BT, DTMF
  • Codec: G.711
  • DTMF: In-band audio, RFC2833, SIP-INFO
  • Hook-Flash: Local processing, RFC2833, SIP-INFO
  • Fax over IP:
    • T.38, G.711 pass-through
    • T.38 compliant Group 3 Fax Relay
    • Maximum fax rate of 33,600 bps (pass-through)
  • Disconnect Modes: Polarity reversal, Busy tone detection, Loop current
  • QoS: DiffServ, TOS, 802.1P/Q VLAN tagging
  • Voice-quality Enhancement: Echo cancellation (G.168-2004), Jitter buffer, Silence suppression (VAD, CNG), PLC
  • Protocol: HTTPS, SSH, TLS, SRTP
  • Encryption: SIP signaling encryption, profile encryption import/export, password/PIN code encryption
  • Intrusion Prevention: Brute force login protection, Access list, Firewall, SIP-allowed IP addresses, Alarm and notification*
  • VLAN: Auto discovery via DHCP, Manual configuration
  • VPN client*: L2TP, OpenVPN
  • Call Transfer: Blind transfer, Consultative transfer
  • Call Forward: Call forward all, Call forward no answer, Call forward busy
  • Call Recording Storage: Remote recording server for storage
  • Call Settings: Routing based on the caller or callee number, Digit Map, 3-way Calling, Speed Dialing, Do Not Disturb, Call Forking, Color Ringback Tones, Hunt Group, Ring Cadence, Message Waiting Indicator (MWI)
  • Device Management: Management with the ComXchange Gateway Provisioning Module.
  • Auto Provisioning: Uses the ComXchange Web GUI to create a config file that is uploaded via TFTP/FTP/ HTTP/HTTPS.
  • Log Management: 8-level logs, Syslog
  • Data Capture: Port capture, packet capture
  • Status and Statistic: Call status and history, device status monitoring and statistics collection.
  • Upgrade: Firmware upgrade via the ComXchange Web GUI
  • Redundancy: Primary-Standby, Active-Standby, Load balancing
  • Failover: Power failure, Network failure
  • CPU: 1 GHz
  • RAM: 512 MB,DDR3
  • Flash: 32 MB
  • Network Interface: 2×10/100/1000Mbps adaptive network ports* support redundancy protection
  • Interface: 24 Port RJ21 FXS
  • Dimensions (H+W+D): 44×440×260 mm
  • Weight (Net): 3 kg Maximum
  • Single/Dual AC Power: 100 to 240 VAC, 50/60 Hz, 1.2A Maximum
  • Single/Dual DC Power: -36 to -72 VDC, 2.5A 􏰀 Power Consumption: 60 W
  • Mounting: Rack
  • Operating Temperature: 0 to 40°C
  • Operating Humidity: 10 to 90% RH (non-condensing)
  • Storage Temperature: -40 to 70°C
  • Storage Humidity: 5 to 90% RH (non-condensing)