Wireless VoIP phone - IEEE 802.11a/b/g/n/ac (Wi-Fi) - 3-way call capability - SIP, RTCP, RTP, SRTP - 2 lines
| Main Specifications | |
|---|---|
| Product Description | Grandstream WP822 - wireless VoIP phone - 3-way call capability |
| Product Type | Wireless VoIP phone |
| Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
| Main Features | Multiple VoIP protocol support |
| VoIP Protocols | SIP, RTCP, RTP, SRTP |
| Voice Codecs | G.711?/a, G.729A/B, G.722, iLBC, Opus |
| Lines Supported | 2 lines |
| Speakerphone | Yes |
| Call Services | Call Waiting, Call Forwarding, Call Transfer, Call Hold |
| Display | LCD display - color |
| General | |
| Product Type | Wireless VoIP phone |
| Shipping Weight | 14.91 oz |
| Miscellaneous | |
| Connections | Micro-USB ¦ Headset jack / mini-phone 3.5 mm |
| Placing / Mounting | Table-top |
| Included Accessories | Belt clip, power adapter, charger cradle |
| Battery | |
| Capacity | 2000 mAh |
| Technology | Rechargeable - lithium ion |
| Talk Time | 8 h |
| Standby Time | 200 h |
| Display | |
| Type | LCD display - color |
| Display Location | Handset |
| Diagonal Size | 2.4" |
| Display Resolution | 240 x 320 pixels |
| Display Languages | English, Chinese, German, French, Italian, Portuguese, Russian, Spanish |
| Phone Features | |
| Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
| Wireless Interface Provided | Wi-Fi / Bluetooth |
| Call Services | Call Waiting, Call Forwarding, Call Transfer, Call Hold |
| Dialer Location | Handset |
| Conference Call Capability | 3-way |
| Speakerphone | Yes |
| Volume Control | Yes |
| Lighted Keypad | Yes |
| Additional Functions | Auto answer, push to talk (PTT), HD audio, accelerometer, proximity sensor, vibrating alert, Noise Shield Technology |
| Dimensions & Weight (Shipping) | |
| Shipping Weight | 14.91 oz |
| Dimensions & Weight (Base) | |
| Width | 3.1 in |
| Depth | 3.2 in |
| Height | 1.5 in |
| Phone Memory | |
| Phone Directory Capacity | 500 names & numbers |
| Caller ID Memory | 100 names & numbers |
| Dimensions & Weight (Handset) | |
| Width | 2 in |
| Depth | 1 in |
| Height | 6.5 in |
| Weight | 6.6 oz |
| IP Telephony | |
| Main Features | Multiple VoIP protocol support |
| VoIP | Yes |
| VoIP Protocols | SIP, RTCP, RTP, SRTP |
| Voice Codecs | G.711?/a, G.729A/B, G.722, iLBC, Opus |
| Lines Supported | 2 lines |
| Quality of Service | Differentiated Services (DiffServ), Type of Service (ToS), Multiprotocol Label Switching (MPLS), Diffserv per device (QoS), 802.11e (WMM) |
| IP Address Assignment | DHCP |
| Security | 256-bit AES, IEEE 802.1X, TLS |
| Network Protocols | IP, TCP, TFTP, UDP, ICMP, ARP, HTTP, DNS, HTTPS, SRTP, RTCP, RTP, NTP, DNS SRV, DNS NAPTR, SSH, STUN, SIMPLE |
| Voice Features | Voice activity detection (VAD), comfort noise generation (CNG), acoustic echo cancellation (AEC), packet loss concealment (PLC), adaptive jitter buffer (AJB), automatic gain control (AGC), low-delay audio packet transmission |
| Network Features | Lightweight Directory Access Protocol (LDAP) |