... - A Record (RFC 1706), SRV Record (RFC 2782)DHCP Client - Dynamic Host Configuration Protocol (RFC 2131)ICMP - Internet Control Message Protocol ... Protocol v2 (RFC 3261, 3262, 3263, 3264)SIP Proxy Redundancy - Dynamic via DNS SRV, A RecordsRe-registration with Primary SIP Proxy ... .729 AG.723.1 (6.3 kbps, 5.3 kbps)Dynamic PayloadAdjustable Audio Frames per Packet voip gateway linksys phone adapter ...