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Ships within 48 hours · Estimated delivery Aug 28 - Sep 2
Robust construction for exceptional reliability
PoE(IEEE 802
Nineteen feature keys with LEDs provide single button access to commonly used features (such as speed dialing numbers)
3af Compliant)
The Siemens optiPoint 500 Advance Phone is only compatible with Siemens Telephone systems
Yealink SIP-T28P Enterprise IP Telephone Category_Best4Systems/Headsets/Wired Headsets/Free Wipe - Headsets Robust construction for exceptional reliabilityNetwork Features SIP 2. 0(RFC3261) protocol, NAT traversal: STUN mode IP assignment: DHCP Static IP PPPoE Auto provision: firmware, configuration, ringtone, phonebook etc. QoS: IEEE 802. 1p q tagging (VLAN), Layer 3 ToS In band DTMF, Out band DTMF and SIP INFO DTMF Proxy mode and peer to peer SIP link mode Standard encryption and authentication(MD5 and MD5 sess) Phone Features Support up to 6 SIP accounts, Hotline, Emergency call Call hold, Call
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