VoIP phone - IEEE 802.11a/b/g/n/ac (Wi-Fi) - 3-way call capability - SIP - 2 lines - black
| Main Specifications | |
|---|---|
| Product Description | Grandstream GHP Series GHP621W - VoIP phone - 3-way call capability |
| Product Type | VoIP phone |
| Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
| Main Features | Integrated Ethernet switch |
| VoIP Protocols | SIP |
| Voice Codecs | G.729A/B, G.711?-law, G.711a-law, G.726, G.722, G.723, iLBC |
| Lines Supported | 2 lines |
| Speakerphone | Yes |
| Call Services | Call Transfer, Call Hold, Call Mute, Voice Mail |
| Display | LCD display - color - Yes |
| Body Color | Black |
| General | |
| Product Type | VoIP phone |
| Shipping Weight | 32.1 oz |
| Body Color | Black |
| Miscellaneous | |
| Connections | USB Type-C |
| Hearing Aid Compatible | Yes |
| Placing / Mounting | Wall-mountable, table-top |
| Included Accessories | Stand, power adapter, faceplate(s) |
| Display | |
| Type | LCD display - color |
| Display Location | Base |
| Backlit | Yes |
| Display Languages | English, Chinese |
| Phone Features | |
| Cordless Phone Standard | IEEE 802.11a/b/g/n/ac (Wi-Fi) |
| Wireless Interface Provided | Wi-Fi |
| Call Services | Call Transfer, Call Hold, Call Mute, Voice Mail |
| Dialer Location | Base |
| Conference Call Capability | 3-way |
| Speakerphone | Yes |
| Programmable Buttons Qty | 6 |
| Volume Control | Yes |
| Indicators | Voice message waiting indicator |
| Additional Functions | Redial, flash function, Hands-free calling, conference mode, speed dial memory, door release function |
| Dimensions & Weight (Shipping) | |
| Shipping Weight | 32.1 oz |
| Dimensions & Weight (Base) | |
| Width | 5.2 in |
| Depth | 8.3 in |
| Height | 3.5 in |
| Weight | 21.5 oz |
| IP Telephony | |
| Main Features | Integrated Ethernet switch |
| VoIP | Yes |
| VoIP Protocols | SIP |
| Voice Codecs | G.729A/B, G.711?-law, G.711a-law, G.726, G.722, G.723, iLBC |
| Lines Supported | 2 lines |
| Quality of Service | IEEE 802.1Q (VLAN), Differentiated Services (DiffServ), IEEE 802.1p, Type of Service (ToS), Multiprotocol Label Switching (MPLS) |
| IP Address Assignment | DHCP |
| Security | 256-bit AES, SRTP, TLS, IEEE 802.1X |
| Network Protocols | TCP, IP, UDP, RTP, RTCP, RTCP-XR, TLS, SRTP, IPv4, IPv6, HTTP, HTTPS, ARP, ICMP, DNS A record, DNS SRV, DNS NAPTR, SSH, TFTP, NTP, STUN, TR-069, Link Layer Discovery Protocol (LLDP) |
| Voice Features | HD audio |