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Yealink SIP-T34W Entry-level IP Phone with 4 Lines & Color LCDBrand: YealinkPart Number: SIP-T34WType: 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-T34W
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Grandstream Gxp2140 Ip Phone - Wall MountableBrand: GrandstreamType: AccessoriesWeight: 3.45Features: Supports 4 lines, 4 SIP accounts and 5-way voice conferencing
HD audio on speakerphone and handset, 5 programmable context-sensitive soft keys
Compatible with GXP2200 LCD extension module (GXP2200 EXT)
4.3 inch (480 x 272) color-screen LCD
Dual Gigabit ports, integrated PoE
Integrated Bluetooth for use with Bluetooth headsets and Bluetooth-enabled mobile devices (transferring contact books and calls), USB, EHS for Plantronics headsetsModel #: GXP2140
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UC PHONE 7821 WHITEBrand: CiscoType: TelephoneWeight: 2.45Features: VoIP Protocols: SIP, SRTP
Voice Codecs: G.722, G.729a, G.711u, G.711a, iLBC
Lines Supported: 2 lines
Speakerphone: Yes ( digital duplex )
Call Services: Voice Mail, Caller ID, Call Waiting, Call Forwarding, Call Transfer, Call Hold, Message Waiting Capability
Display: LCD display - monochrome - Yes
Network Ports Qty: 2 x Ethernet 10Base-T/100Base-TX
Compatible Software: Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution
Body Color: WhiteModel #: CP-7821-W-K9=