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Yealink SIP-T34W Entry-level IP Phone with 4 Lines & Color LCD- Brand: Yealink
- Part Number: SIP-T34W
- Type: VoIP Phones
- 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
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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UC PHONE 7821 WHITE- Brand: Cisco
- Type: Telephone
- Weight: 2.45
- Features: 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: White
- Model #: CP-7821-W-K9=