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AVAYA 6140 (NTTQ4021E6) Wireless VoIP phone
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AVAYA 6140 (NTTQ4021E6) Wireless VoIP phone
  • Brand: AVAYA
  • Type: Wireless VoIP
  • Standards: IEEE 802.11b/g/a
  • Protocols: IP, TCP, TFTP, ARP, DNS
  • Model #: NTTQ4021E6
Philips Wireless phone/modem jack system PH0900
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Yealink IP Phone W76P Bundle W70B Base & W56H handset + 4 x W56H
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Yealink SIP-T33G IP Phone with 4 Lines & Color LCD
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Yealink SIP-T33G IP Phone with 4 Lines & Color LCD
  • Brand: Yealink
  • Part Number: SIP-T33G
  • 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 OpenVPN, IEEE802.1X, L2TP VPN IPv6 LLDP/CDP/DHCP VLAN ICE WPA2/WPA3 Secure boot GARP (Generic Attribute Registration Protocol)
  • Model #: SIP-T33G
Yealink IP Phone W76P Bundle W70B Base & W56H handset + 8 x W65H
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