4G SIP Audio Intercom
- 4G Wireless
- HD Video
- Wall Mounting
- One-touch Call
- Wall mounting
- Metal Housing, Stability & Reliability
- Self-Diagnosis
- Auto Provision
- B1/3/5/34/38/39/40/41, TDD and FDD
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High 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
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Features:
- 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 features