Grandstream GRP2611G 3-Line Gigabit PoE IP Phone
AIM Telecom provides troubleshooting and configuration support for this product to businesses across Canada and the USA. Contact us to confirm whether the issue can be handled by phone or requires on-site service.
Get Support Call 416-312-4819
Common issues and fixes
Reviewed troubleshooting steps are not yet available for this model.
Ask AIM Telecom about this productAbout this product
• The GRP2611G is a powerful 3-line carrier-grade IP phone designed for mass deployment and easy management, featuring zero-touch provisioning.
• Key features:
• 12 virtual multi-purpose keys (VPKs)
• Dual Gigabit ports with integrated PoE
• Color LCD with swappable face plates for easy logo customization
• HD audio supporting all major codecs, including wideband codecs G.722 and Opus
• Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
• Supported by Grandstream’s Device Management System (GDMS) for centralized management and monitoring
• Additional information:
• Weight: 2.01 lbs
• Dimensions: 11.28 × 8.29 × 2.24 in
• Phone Type: Desk
• Technical specifications:
• Model: GRP2611G
• Package Contents: GRP2611G Phone, Handset with Cord, Phone Stand, 5V Power Adapter, Network Cable, Quick Installation Guide
• Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV,<br>NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069,<br>802.1x, TLS, SRTP, IPV6
• Network Interfaces: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
• Graphic Display: 2.8-inch (320×240) TFT color LCD
• Feature Keys: 3-line keys with up to 3 SIP accounts, 4 XML programmable context sensitive<br>soft-keys, 5 navigation/menu keys, 8 dedicated function keys for: MESSAGE (with LED<br>indicator), TRANSFER, HEADSET, MUTE, SEND/ REDIAL, SPEAKERPHONE, VOL+, VOL-
• Auxiliary Port: RJ9 headset jack (allowing EHS with Plantronics headsets)
• Voice Codecs and Capabilities: Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band), G723, iLBC, OPUS, in-band and<br>out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
• HD Audio: Yes, HD handset and speakerphone with support for wideband audio
• QoS: Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
• Security: User and administrator level passwords, MD5 and MD5-sess based authentication,<br>256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control,<br>secure boot
• Upgrade/Provisioning: Firmware upgrade via FTP/TFTP/TFTPS/HTTP/HTTPS, mass provisioning using<br>GDMS/TR-069 or AES encrypted XML configuration file
• Temperature and Humidity: Operation: 0°C to 40°C; Storage: -10°C to 60°C; Humidity: 10% to 90% non-condensing
• Key features:
• 12 virtual multi-purpose keys (VPKs)
• Dual Gigabit ports with integrated PoE
• Color LCD with swappable face plates for easy logo customization
• HD audio supporting all major codecs, including wideband codecs G.722 and Opus
• Enterprise-level protection including secure boot, dual firmware images, and encrypted data storage
• Supported by Grandstream’s Device Management System (GDMS) for centralized management and monitoring
• Additional information:
• Weight: 2.01 lbs
• Dimensions: 11.28 × 8.29 × 2.24 in
• Phone Type: Desk
• Technical specifications:
• Model: GRP2611G
• Package Contents: GRP2611G Phone, Handset with Cord, Phone Stand, 5V Power Adapter, Network Cable, Quick Installation Guide
• Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS(A record, SRV,<br>NAPTR), DHCP, PPPoE, TELNET, TFTP, NTP, STUN, SIMPLE, LLDP, LDAP, TR-069,<br>802.1x, TLS, SRTP, IPV6
• Network Interfaces: Dual switched auto-sensing 10/100/1000 Mbps Gigabit Ethernet ports with integrated PoE
• Graphic Display: 2.8-inch (320×240) TFT color LCD
• Feature Keys: 3-line keys with up to 3 SIP accounts, 4 XML programmable context sensitive<br>soft-keys, 5 navigation/menu keys, 8 dedicated function keys for: MESSAGE (with LED<br>indicator), TRANSFER, HEADSET, MUTE, SEND/ REDIAL, SPEAKERPHONE, VOL+, VOL-
• Auxiliary Port: RJ9 headset jack (allowing EHS with Plantronics headsets)
• Voice Codecs and Capabilities: Support for G7.29A/B, G.711µ/a-law, G.726, G.722(wide-band), G723, iLBC, OPUS, in-band and<br>out-of-band DTMF (in audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
• HD Audio: Yes, HD handset and speakerphone with support for wideband audio
• QoS: Layer 2 QoS (802.1Q, 802.1P) and Layer 3 (ToS, DiffServ, MPLS) QoS
• Security: User and administrator level passwords, MD5 and MD5-sess based authentication,<br>256-bit AES encrypted configuration file, SRTP, TLS, 802.1x media access control,<br>secure boot
• Upgrade/Provisioning: Firmware upgrade via FTP/TFTP/TFTPS/HTTP/HTTPS, mass provisioning using<br>GDMS/TR-069 or AES encrypted XML configuration file
• Temperature and Humidity: Operation: 0°C to 40°C; Storage: -10°C to 60°C; Humidity: 10% to 90% non-condensing
More product details
The Grandstream GRP2611G is a three-line SIP desk phone designed for small to medium-sized businesses that need a reliable, manageable fleet of devices. It is a good fit for office environments where staff handle moderate call volumes—receptionists, sales teams, or remote workers with a dedicated phone line—and where IT wants centralized provisioning and monitoring. The phone pairs well with any standards-based SIP PBX (such as FreeSWITCH, 3CX, or most hosted services in Canada) and replaces simpler single-line models without sacrificing audio quality or network integration. Its dual Gigabit ports with PoE simplify desk cabling: the phone can be powered over Ethernet using a single cable, and the pass-through port lets a computer share the same wall jack. The GRP2611G includes a color LCD, 12 virtual multi-purpose keys, and support for wideband codecs including Opus, making it a solid choice for staff who need a clear, feature-rich desk phone without the cost or complexity of a top-end executive model. However, with only three line keys, it is not well suited for high-volume call center agents who require many simultaneous calls or elaborate call handling. For a single home office user, the device may be overkill; a basic Grandstream GXP1610 would suffice. Conversely, large enterprises with hundreds of phones and advanced customization needs may find the GRP2611G’s feature set adequate but may prefer the GXP2170 or GRP2612 for more line keys and expansion modules. In a Canadian business context, this phone works reliably with most Canadian SIP carriers (Rogers Business Voice, Bell MTS, Telus Business Connect, and hosted providers like net2phone or RingCentral) and can be provisioned via zero-touch for quick deployment across a GTA office.