| Brand | Grandstream |
| Model | Grandstream GXP2135 |
| Type | IP Phone |
| Number of phone Line | 8 Line |
| Caller ID | Unmentioned |
| Call Waiting Caller ID | Yes |
| Conference Call | 4-way conference |
| Speed Dialer | Yes |
| Redial Button | Yes |
| Redial Memory | Unmentioned |
| Call Log | 500 records |
| Display | TFT color LCD |
| Display Size | 2.8 Inch |
| LED Indicators | Yes |
| Flash Button | No |
| Auto Answer | Yes |
| Hold Key | Yes |
| Auxiliary Ports |
RJ9 headset jack (allowing EHS with Plantronics headsets) |
| Headphone Jack | Yes |
| Speaker | YES |
| Speaker Type | HD Speaker |
| Phone Book Memory | Large phonebook capacity with up to 2000 contacts and call history with up to 500 records |
| Network Interfaces | Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE |
| Bluetooth | YES |
Network Protocol |
SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069, 802.1x, TLS, SRTP, IPV6, CDP/SNMP/RTCP-XR |
| Wall Mount | YES |
| Dimensions | 201 x 85 x 193mm |
| Weight (gm) | 850gm |
| Color | Black |
The Grandstream GXP2135 is a professional-grade IP phone designed for efficient and feature-rich communication in business environments. With its sleek and ergonomic design, the phone offers a user-friendly experience, featuring a high-resolution color LCD display that provides clear visibility for call information and contact details. Equipped with multiple programmable line keys, users can customize the phone to support various functions such as speed dial, line appearances, and Busy Lamp Field (BLF) for monitoring extensions. The GXP2135 supports high-definition (HD) audio, ensuring crystal-clear voice quality during calls. Additionally, it is compatible with SIP for VoIP communication and offers a range of security features, including encryption protocols like TLS and SRTP. The phone supports both Ethernet and, in some cases, Wi-Fi connectivity, providing flexibility in network setup. With Power over Ethernet (PoE) support, installation is simplified by eliminating the need for additional power adapters. The GXP2135 may also include advanced features such as call waiting, call transfer, conference calling, and more, making it a versatile solution for professional communication needs. Users should refer to the latest product documentation for specific details and updates.
