Cisco 16-Line IP Phone 7861-3PCC-K9 with Multiplatform phone firmware

Cisco 7861, Multiplatform
This model of the Cisco IP Phone 7861 comes with multiplatform phone
firmware installed, letting use Cisco’s phone with a third-party SIP
platform. It is certified to support Broadsoft and Centile, and has
been tested to be interoperable with Asterisk. This model also adds
support for the Opus audio codec.

Cisco 7861 is a 16-line VoIP phone designed for professionals who need
excellent sound quality and the trusted reliability of a Cisco phone.
The 3.5 display is backlit and makes operating the phone simple. The
full-duplex speakerphone provides hands-free HD audio, and a dedicated
RJ9 port lets you attach a headphone. Use EHS for a detachable headset
solution.

Cisco 7861 has dual Ethernet ports, and is a PoE Class 1 device for
powering the phone through your network using a PoE injector or switch.
7861 has all the advanced network features that you expect from Cisco,
including 802.1x authentication, TLS security, HTTPS provisioning, NAT
transversal, and much more.

Cisco 7861 IP Phone Quick Specs:

Compatible Platforms
Asterisk: 1.8+
Broadsoft: 19sp1, 20sp1, 21sp1
Centile: Istra SP 9.2
Connectivity Type: IP/VoIP
Communications Protocol: SIP
Lines: 16
Ethernet Ports: 2x 10/100
PoE: 802.3af Class 1
Additional Ports: 1x RJ9 headset
Display: 3.5 396162 backlit greyscale
Speakerphone: full-duplex
Audio Codecs: G.711/a, G.722, G.722.2 G.729a/b/ab, iLBC, iSAC, Opus
QoS: CDP
Wall Mountable: yes, with optional wall mount kit
Cisco CP-7861-3PCC-K9 Multiplatform IP Phone Package Contents:
Note: AC power supply not included.

CP-7861-3PCC-K9 phone
Handset with cord
Dual-position foot stand
Ethernet cable
Quick start guide