24 Port FXS Gateway24 telephone FXS ports with both RJ11 and 50-pin Telco connectors, as well as per port LEDGigabit Ethernet and a backlit 128x32 graphic display with support for multiple languages2/3/4 SIP Server profiles per system and independent SIP account per portSupported voice/Fax codecs include G. 711, G. 723.1, G. 726A/B, iLBC, T. 38 FaxAdvanced carrier grade 128ms-tail-length G. 168 line echo cancellationOver-voltage and over-current protection(ITU-T, K. 21)Support VMWI, NEON LED and stutter tone for message waiting indicationAutomated provisioning using TR-069 or AES encrypted XML configuration file; TLS/SRTP/HTTPS for advanced security and privacy protection