Yealink SIP-T44U SIP Phone for Workers of Co-working Space

Yealink SIP-T44U SIP Phone for Workers of Co-working Space Brand: Yealink Part Number: SIP-T44U Type: VoIP Phones Security: NETWORK AND SECURITY SIP v1 (RFC2543), v2 (RFC3261) Call server redundancy supported NAT traversal: STUN mode Proxy mode and peer-to-peer SIP link mode IP assignment: static/DHCP HTTP/HTTPS web server Time and date synchronization using SNTP UDP/TCP/DNS-SRV(RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP SRTP for voice Transport Layer Security (TLS 1.3) HTTPS certificate manager AES encryption for configuration file (AES256) Digest authentication: MD5/SHA1/SHA224/-SHA256/SHA384/ SHA512 OpenVPN, IEEE802.1X, L2TP VPN IPv6 LLDP/CDP/DHCP VLAN ICE WPA2/WPA3 Secure boot GARP (Generic Attribute Registration Protocol) Ports: Dual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af), Class 3 2 x USB port (2.0 compliant) 1 x RJ9 (4P4C) h...