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Grandstream GS-GXP2200EXT Expansion Module for VoIP Phone- Brand: Grandstream
- Type: Accessories
- Features: 128 x 384 backlit LCD display
20 programmable dual-color buttons per module, 2 pages per module (40 contacts total)
BLF / speed dial
Daisy-chain up to 4 modules for up to 160 contacts / extensions
BLA (bridged line appearance) / SCA (shared call appearance), BLF (busy lamp field, standard or eventlist), Call Park / Pick-up, Speed Dial, Presence, Intercom, and conference / transfer / forward and more
- Model #: GXP2200EXT

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Yealink SIP-T43U IP Phone - Corded - Wall Mountable, Desktop - Classic Gray 1301202- Brand: Yealink
- Part Number: SIP-T43U
- Type: Wired VoIP
- 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)
- Model #: SIP-T43U

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Grandstream Gxp2140 Ip Phone - Wall Mountable- Brand: Grandstream
- Type: Accessories
- Weight: 3.45
- Features: 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 headsets
- Model #: GXP2140