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Yealink SIP-T33G IP Phone with 4 Lines & Color LCDBrand: YealinkPart Number: SIP-T33GType: 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-T33G
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AudioCodes M1KB-D2 Mediant 1000B 2 T1/E1 Gateway (Discontinued)Brand: AudioCodesType: AccessoriesFeatures: Interfaces:
- Dual T1/E1 span module installed
- 5 additional modular bays for voice modules
- one active / standby pair of 10/100/1000 Ethernet interfaces
Media Processing:
- Voice Coders: G.711, G.726, G.727, G.723.1, G.729, GSM FR, MS GSM, iLBC, EG.711, EVRC, QCELP, AMR, GSM EFR, G.722, Independent dynamic vocoder selection per channel.
- Echo Cancellation: G.165 and G.168-2002, with 32, 64 or 128 tail length.
- Quality Enhancement: Dynamic programmable jitter buffer, VAD, CNG, 802.1p/Q VLAN tagging, DiffServ, voice quality monitoring, G.729B, RTCPXR.
- DTMF / MF Transport: Packet side or PSTN side detection and generation, RFC 2833 compliant DTMF relay. Call Progress tones detection and generation.
- IP Transport: VoIP (RTP / RTCP) per IETF RFC 3550 and 3551.
- Fax and Modem Transport: T.38 compliant ...Model #: M1KB-D2
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YEALINK SIP-T54W Prime Business PhoneFrequency Band: 2.4 GHzAdditional Features: 4.3" 480 x 272-pixel color display with backlight
Adjustable LCD screen
Built-in Bluetooth 4.2
Built-in dual band 2.4G / 5G Wi-Fi (802.11a/b/g/n/ac)
USB 2.0 port for USB recording, wired / wireless USB headsets and EXP50
Up to 16 VoIP accounts
Dual-port Gigabit Ethernet
PoE support
HAC Handset
Paperless label design
Wall mountableModel #: SIP-T54W DUP
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AudioCodes MP114/4S/SIP/CER MediaPack Series of analog VoIP GatewaysBrand: AudioCodesType: GatewayDimensions: 8.66" x 6.77" x 1.65"Features: The AudioCodes MediaPack Series of analog VoIP gateways are cost-effective,best-of-breed technology products. These stand-alone gateways provide superior voice technology for connecting legacy telephones, fax machines and PBX systems with IP-based telephony networks, as well as for integration with IP PBX systems.Model #: MP114/4S/SIP/CER