Description
E20S is a compact SIP emergency intercom that is ruggedized with 316-grade stainless steel. It is designed for indoor use and is compatible with 1299 and 86 type single in-wall boxes.
Specifications
| Physical & Power | |
| Front panel | 316 grade stainless steel |
| Button | 1 panic button |
| Ethernet port | RJ45, 10/100Mbps adaptive |
| Power supply | PoE (IEEE802.3af) only |
| Indicator | 1 |
| Microphone / Speaker | 1 / 1 |
| Dimensions | 100 x 100 x 38 mm |
| Installation | Flush-mounted |
| Working Humidity | 10~90% |
| Working Temperature | -20°C ~ +55°C |
| Storage Temperature | -25°C ~ +60°C |
| SIP Protocol | SIP v1 (RFC2543), SIP v2 (RF3261) |
| SIP account | 1 SIP account |
| Audio codecs | G.711a, G.711μ, G.722 |
| QoS support | Yes |
| Auto Answer support | Yes |
| Network mode | DHCP or Static IP |
| System time | NTP for auto-time setting |
| Protocols support | IPv4, HTTP, HTTPS, FTP, SNMP, DNS, NTP, RTP, TCP, UDP, ICMP, DHCP, ARP |





















