| Features | Security : Password-protected system reset to factory default Password-protected administrator and user access authority Provisioning/configuration/authentication: HTTPS with factory-installed client certificate HTTP digest - encrypted authentication via MD5 (RFC 1321) Up to 256-bit Advanced Encryption Standard (AES) encryption
Voice gateway : Session Initiation Protocol (SIP) v2 (RFC 3261, 3262, 3263, 3264) SIP proxy redundancy - dynamic via DNS SRV, A records deregistration with primary SIP proxy server SIP support in network address translation (NAT) networks (including Serial Tunnel [STUN]) Highly secure (encrypted) calling via prestandard implementation of Secure RTP Codec name assignment
Enables high-quality feature-rich voice over IP (VoIP) service through your broadband Internet connection Dual standard telephone ports for use with analog phones or fax machines, with independent phone numbers High-quality, clear-sounding voice, using advanced voice quality of service (QoS) capability Compatible with all common telephone features, such as caller ID, call waiting, and voicemail |
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