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Grandstream 2 FXS, 1 FastEthernet HT802 v2Brand: GrandstreamModel: HT802 V2Part Number: HT802 V2Features: Includes an Ooma HD3 Handset, Supports single-line operation, Cordless telephone type, Digital answering system with 17 minutes of recording capacity, 150 hours of phone standby time, Ooma Telo Device with Power Adapter and Ethernet Cable, Black HD3 Handset with Charging Cradle and Power Adapter, 2 AAA batteries included, Corded electricModel #:
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HP Poly VVX 250 4-Line IP Corded Phone and PoE-Enabled | 89B62AA#AC3Part Number: 89B62AA#AC3Type: VoIP PhonesStandards: USBProtocols: 10/100/1000 Base-TX across LAN and PC ports; Conforms to IEEE802.3- 2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3- 2002 (Clause 28) for link partner auto-negotiation; Manual or dynamic host configuration protocol (DHCP) network setupModel #: 89B62AA#AC3
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Grandstream - HT813 - Grandstream HT813 VoIP Gateway - 2 x RJ-45 - 1 x FXS - 1 x FXO - Fast EthernetBrand: GrandstreamModel: HT813Type: AccessoriesProtocols: TCP / IP / UDP, RTP / RTCP, HTTP / HTTPS, ARP / RARP, ICMP, DNS, DHCP, NTP,
TFTP, TELNET, STUN, SIP (RFC3261), SIP over TCP / TLS, SRTP, TR-069Model #: HT813
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Yealink SIP- T31P Entry-level IP Phone with 2 Lines & HD voiceBrand: YealinkPart Number: SIP-T31PType: VoIP PhonesSecurity: 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-T31P
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Yealink SIP-T28P Executive IP Phone w/POEBrand: YealinkType: Wired VoIPSecurity: HTTPS (server/client)
SRTP (RFC3711)
Transport Layer Security (TLS)
VLAN (802.1 pq), QoS
Digest authentication using MD5/MD5-sess
Secure configuration file via AES encryption
Phone lock for personal privacy protection
Admin/user configuration modePorts: 1xRJ9 (4P4C) handset port, 1xRJ9 (4P4C) headset port, 2xRJ45 10/100M Ethernet ports, 1xRJ12 (6P6C) expansion module portModel #: YEA-SIP-T28P