Crystal 1A - 1FXS

Crystal 1A - 1FXS Access Gateway

The Crystal 1A Access Gateway enables high quality, feature rich telephone service through your cable or DSL internet connection. Just plug it in to your home gateway or router.


High quality, crystal clear sounding voice.


Compatible with all common telephone features, caller ID, call waiting, voice mail.





The Crystal 1A offers IP telephone users superb audio quality, rich functionalities, interoperable with leading IP-PBX and Softswitch systems, and compatibility with most VoIP service providers. This is a commercial grade product designed for providers. The Crystal 1A is ultra-compact, works with any PSTN or cordless phone and fax machines, and offers the simplicity of plug-and-dial, making it ideal for residential and SOHO users.


•Supports auto-provisioning with remote firmware upgrade

•Password protected access and configuration

•Web-based configuration through a built-in web server

•Supports Session Initiation Protocol (SIP)

•Supports multi voice compression

•Supports Dynamic Host Configuration Protocol (DHCP)

Key Advantages

•    Routing ability with “Built in” QoS

•    Commercial Carrier grade products

  1.    Complete Lock and Encrypt Admin

  2.    (guarantees product functions only on provider network)

•    Full remote provisioning with encryption

•    Outstanding voice quality

•    Highly competitive pricing


Key Features

•    Voice Codecs: G.711, G723.1, G.729 A/B , T.38 or G.711 bypass

•    Ideal IP enabler for analog phones, faxes and legacy PBX system

•    VAD (Voice Activity Detection) with CNG (Comfort Noise Generation)

•    PLC (Packet Loss Concealment), Dynamic Jitter Buffer L2/L3 QoS

•    Web/Telnet configuration, Auto Provisioning

•    PPPoE, DHCP Client/Server

•    Support polarity reversal

  1.    Call Hold, Call Waiting, Call Forward, Do not Disturb

  2.    Direct IP Calling, Blind Transfer, Attended Transfer

•    G.168 Echo Cancellation

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