– 4 FXS ports
– Fully compliant with SIP and IAX2
– Flexible calling rules
– Reliable fax performance with T.38
– Provides high-quality voice compression with industry standard codecs
– Line echo cancellation for 32, 64 or 128 ms echo delays
– Web-based GUI for easy configuration and management
– Excellent interoperability with a wide range of legacy and IP equipment