Retevis RT24 Walkie Talkie 16 Channel PMR Radio, Free Long Range Radio, Rechargeable Charging with Adapter for Family, Hiking, Healthcare(Black, 1 Pair)

TELEPHONE CISCO IP PHONE 7811 VoIP SIP SRTP

   Phone type VoIP phone

   VoIP SIP SRTP Protocols

   Audio conference function Yes

Phone features

Call services: Voicemail, Caller ID, Call waiting, Call forwarding, Call transfer, Call waiting, Message waiting function

Type of composition: Keyboard

Place of composition: Base

Audio conference function: Yes

Hands-free: Yes (digital two-way)

Menu operation: Yes

Indicators: Voice message indicator, hands-free indicator

Firmware upgradeable: Yes

Quality of service: IEEE 802.1Q (VLAN), IEEE 802.1p

Assignment of IP addresses: DHCP, static

Security: 128-bit AES, 256-bit AES, IEEE 802.1X, TLS

Power Over Ethernet (PoE) support: Yes

Network protocols: Cisco Discovery Protocol (CDP), SRTP

Number of network ports: 2 x 10Base-T / 100Base-TX Ethernet

Screen resolution: 384 x 106 pixels

Hardware Features
• Pixel-based display: 128 x 64 monochrome LCD graphical display with backlight
• Dedicated illuminated buttons for:
– Audio mute on/off
– Headset on/off
– Speakerphone on/off
• 4-way rocking directional knob for menu navigation
• Voicemail message waiting indicator (VMWI) light
• Voicemail message retrieval button
• Dedicated hold button
• Settings button for access to feature, setup, and configuration menus
• Volume control rocking up/down knob controls handset, headset, speaker, ringer
• Standard 12-button dialing pad
• High-quality handset and cradle
• Built-in high-quality microphone and speaker
• Headset jack: 2.5 mm
• LED test function
• Two Ethernet ports with integrated Ethernet switch: 10/100BASE-T RJ-45
• 802.3af-compliant PoE
• Optional 5 VDC universal (100-240V) switching; power supply is ordered separately (Cisco PA100

• 4 or 8 ports
• 2 10/100 Mbps network ports
• Comprehensive codec support, caller ID, flexible dial plans and security protection
• Advanced security protection with SRTP
• Designed and tested for full interoperability with leading IP-PBXs, soft-switches and SIP-based environments
• PSTN Failover on power failure

Product description: Cisco - SPA112
Product Type: Adapter
Compatible: For phone
Number of ports: 2 ports
Supported network protocols: IPv4, IPv6, ARP, DNS, SRV, DHCP, PPPoE, ICMP, TCP, UDP, RTP, RTCP, SNTP
VPN support: 802.1p
Supported security algorithm: SSL / TLS
Authentication method: SIP
Power requirements: AC, 100 - 240 V, 50 - 60 Hz, DC, 5 V, 2 A

Features
- 10 Single-Touch Speed Dial Memories
- 16-Digit & 16-Character LCD Display with 5-Level Contrast Control
- 16 Ring Melodies Selectable
- 76 Caller ID Memories
- 80 Phone Book Entries, 16 Characters for Each Name, 20 Digits for Each Number
- Automatic Call Timer
- Battery-Free Solution
- Call Back from Caller ID Memory
- Cellular Phone RFI Noise Immunity
- Business Grade High-Quality Speakerphone
- Data Port : RJ11 Jack
- Flash Time (100/200/300/400/600/900ms) Adjustable
- FSK/DTMF CLIP
- Hold with Mute, Music & Extension Release
- Intelligent Auto Busy Redial
- Last 16 Dialed Numbers Review and Redial
- Message Waiting and Incoming Call Indication
- On-Hook Delay 1.2 Seconds for PBX to Prevent Ring Back
- Speakerphone and LCD Display Work well with Line Power Alone, Without Battery
- Speed Dial Memories & Phone Book Entries will be Saved During Power Failure

• Main display: IPS TFT 16M colors 1080 x 1920 px (5.50″) 401 ppi
• Processor: Samsung Exynos 7870 1,60 GHz [Number of cores: 8]
• Internal memory: 16 GB
• RAM: 3 GB
• Battery: Li-Ion 3300 mAh
• Camera: 13 Mpx
• Memory cards: microSD, microSDHC, microSDXC (max 256 GB