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Cisco CP-8851NR-K9= IP Phone 8851 - VoIP phoneBrand: CiscoType: AccessoriesSpecifications: Main Features: Multiple VoIP protocol support, integrated Ethernet switch
VoIP: Yes
VoIP Protocols: SIP, RTCP, RTP, SRTP, SDP
Voice Codecs: G.722, G.729a, G.711u, G.711a, iLBC, iSAC
Lines Supported: 5 lines
Quality of Service: IEEE 802.1Q (VLAN), IEEE 802.1p
IP Address Assignment: DHCP, static
Security: IEEE 802.1X, TLS
Power Over Ethernet (PoE) Support: Yes
Network Protocols: IP, TFTP, UDP, Cisco Discovery Protocol (CDP), HTTP, DNS, HTTPS, SRTP, Link Layer Discovery Protocol - Media Endpoint Discovery (LLDP-MED), RTCP, RTP
Network Ports Qty: 2 x Ethernet 10Base-T / 100Base-TX / 1000Base-T
Compatible Software: Cisco Unified Communications Manager 8.5.1 or later, Cisco Hosted Collaboration Solution, Cisco Unified Communications Manager Express 10.0 or later
Network Features: Class 3 PoE
Connec...Model #: CP-8851NR-K9=
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Cisco CP-3905= Unified SIP Phone 3905 - VoIP phone - SIP - charcoalBrand: CiscoType: OthersFeatures: The phone offers an easy-to-use interface and provides a traditional telephony-like user experience
A graphical monochrome display with a resolution of 128 x 32 pixels provides a scrollable two-line intuitive access to phone services and configuration
A foldable single-position foot stand offers optimum display viewing and comfortable use of keys
You can fold the foot stand for wall mounting, with mounting holes located on the base of the phone
A full-duplex speakerphone allows for flexibility in placing and receiving callsModel #: CP-3905=
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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=