DTMF Mode: In‐Band, RFC2833 and SIP INFO DHCP/Static/PPPoE STUN, Session timer DNS SRV/ A Query/NATPR Query HTTP/HTTPS/FTP/TFTP TCP/IPv4/UDP SIP over TLS, SRTP Configuration backup/restore Syslog SNMP/TR069 Configuration web‐based management HTTP/HTTPS Web Management Auto provisioning: FTP/TFTP/HTTP/HTTPS/PnP Comfort noise generator(CNG) Voice activity detection (VAD) Codec: PCMA, PCMU, G.729, G723_53, G723_63, G726_32 Wideband codec: G.722 Two‐way audio stream HD voice Action URL/Active URI remote control Default auto answer Door Phone features4G SIP Video Intercom
4G Wireless HD Video WalMounting One-touch Call Walmounting MetaHousing, Stability & Reliability Self-Diagnosis Auto Provision B1/3/5/34/38/39/40/41, TDD and FDDHigh Stability and Reliability
SIP v1 (RFC2543), v2 (RFC3261) SIP over TLS, SRTP TCP/IPv4/UDP HTTP/HTTPS/FTP/TFTP ARP/RARP/ICMP/NTP DNS SRV/ A Query/NATPR Query STUN, Session timer DHCP/Static/PPPoE DTMF Mode: In‐Band, RFC2833 and SIP INFO






