The ClearlyIP 2 Port T1/E1 Gateway provides signaling and media conversion between VoIP and ISDN networks. A typical application is to support enterprise PBX upgrades to IP when the telecom access is ISDN.
The ClearlyIP 2 Port T1/E1 Gateway supports 1 or 2 T1/E1 ports and up to 512 SIP trunks, to meet the requirement of large and medium-sized enterprises for VoIP services.
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The ClearlyIP 2 Port T1/E1 Digital VoIP Gateway offers high performance, security, and reliability. It features a high-performance DSP chip for voice signal processing, security measures like SSH and HTTPS, and reliability features such as Ethernet port redundancy and SIP registration failover. Operating on embedded Linux, it includes various features for telephony integration like number transformation and automatic routing.
The ClearlyIP 2 Port T1/E1 Gateway uses a special-purpose high-performance speech processing DSP chip.The DSP daughter card’s 6000 MIPS processing capability enables the gateway to provide voice signal processing, echo cancellation, and T.38 fax relay.
To ensure security, the ClearlyIP 2 Port T1/E1 Gateway supports SSH and HTTPS for remote access, and provides functions including signaling and media stream encryption, automatic password strength test, brute-force password cracking prevention, cipher text data storage, network access whitelist, and system log backup.
The ClearlyIP 2 Port T1/E1 Gateway provides high availability features including 1+1 redundancy of Ethernet ports and AC/DC power supplies (optional), and SIP registration failover.
As an intelligent gateway running on an embedded Linux operating system, the ClearlyIP 2 Port T1/E1 Gateway supports an advanced feature set such as number transformation for calling/called party, automatic routing, RADIUS billing interface, 2nd-stage dialing tone and ring-back tone, auto dialing, DTMF detection, call-progress analysis, and RTP proxy for NAT/firewall traversal.
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