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CP-7921G-W-K9 Cisco IP Phone
| Weight | 4 lbs |
|---|---|
| Brand | Cisco |
|
Display |
● 2 in. (5 cm) color display with 176 x 220–pixel resolution |
|
LED |
● Ring, message waiting, and charging LED |
|
Protocol support |
● Skinny Client Control Protocol (SCCP)● Cisco Unified Communications Manager Versions 4.1, 4.2, 4.3, 5.0, 5.1, 6.0, 6.1, 7.0, and later● Cisco Unified Communications Manager Express Version 4.1 and later● Cisco Unified Survivable Remote Site Telephony (SRST) Version 4.1 and later● Cisco Compatible Extensions Version 4.0● XML |
|
Codec support |
● G.711a, G.711u, G.729a, G.729ab, G.722, and iLBC audio compression codecs |
|
Configuration options |
● Dynamic Host Configuration Protocol (DHCP) client or statically configured● Support for online firmware upgrades using Trivial File Transfer Protocol (TFT)● Domain Name System (DNS) |
|
Network features |
● Cisco Discovery Protocol● Transparent secure roaming● Provisioning of network parameters through DHCP |
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