SMALL BUSINESS IP PHONE 3 SIP

SMALL BUSINESS IP PHONE 3 SIP Brand: Grandstream Type: Office Products Protocols: SIP RFC3261, TCP / IP / UDP, RTP / RTCP, HTTP / HTTPS, ARP / RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP Security: User and administrator level access control, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control Ports: Dual switched auto-sensing 10/100/1000 Mbps Ethernet ports, integrated PoE Dimensions: 3.00' x 8.76' x 8.21' Weight: 1.76 lbs. Temperature: Operation: 0 degree C to 40 degree C Storage: -10 degree C to 60 degree C