Grandstream GXP1625 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.
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Common issues and fixes
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Ask AIM Telecom about this productAbout this product
• The Grandstream GXP1625 is a reliable and easy-to-use IP phone designed for small business users. It features powerful VoIP capabilities, including full HD audio on both the speaker and handset.
• Key Features:
• Up to 2 lines with support for 2 SIP accounts
• 3-way conferencing and 3 XML programmable context-sensitive soft keys
• Dual-switched 10/100 Mbps ports with integrated PoE
• HD audio on speakerphone and handset
• EHS support for Plantronics headsets
• Up to 1000 contacts, call history up to 200 records
• Weight: 1.8 lbs
• Dimensions: 11 × 9 × 4 in
• Brand: Grandstream
• Protocols/Standards:
• SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP, CDP/SNMP/RTCP-XR
• Network Interfaces:
• Dual switched auto-sensing 10/100 Mbps Ethernet ports
• Integrated PoE (GXP1625 only)
• Graphic Display: 132 x 48 (2.95’) backlit graphical LCD display
• Feature Keys:
• 2 line keys with dual-color LED
• 3 XML programmable context sensitive soft keys
• Dedicated function keys for MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and REDIAL, SPEAKERPHONE, VOLUME, PHONEBOOK, MESSAGE, HOLD, PAGE/INTERCOM, RECORD, HOME
• Voice Codecs: Support for G.711µ/a, G.722 (wide-band), G.723, G.726-32, G.729 A/B, iLBC, inband and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
• Telephony Features: Hold, transfer, forward (unconditional/no-answer/busy), 3-way conferencing, call park/pickup, shared-call appearance (SCA) / bridged-line-appearance (BLA), Down- loadable phone book (XML, LDAP, up to 1000 items), call waiting, call history (up to 200 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot desking, personalized music ringtones, server redundancy & fail-over
• Key Features:
• Up to 2 lines with support for 2 SIP accounts
• 3-way conferencing and 3 XML programmable context-sensitive soft keys
• Dual-switched 10/100 Mbps ports with integrated PoE
• HD audio on speakerphone and handset
• EHS support for Plantronics headsets
• Up to 1000 contacts, call history up to 200 records
• Weight: 1.8 lbs
• Dimensions: 11 × 9 × 4 in
• Brand: Grandstream
• Protocols/Standards:
• SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP/RARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, SIMPLE, LLDP-MED, LDAP, TR-069, 802.1x, TLS, SRTP, CDP/SNMP/RTCP-XR
• Network Interfaces:
• Dual switched auto-sensing 10/100 Mbps Ethernet ports
• Integrated PoE (GXP1625 only)
• Graphic Display: 132 x 48 (2.95’) backlit graphical LCD display
• Feature Keys:
• 2 line keys with dual-color LED
• 3 XML programmable context sensitive soft keys
• Dedicated function keys for MUTE, HEADSET, TRANSFER, CONFERENCE, SEND and REDIAL, SPEAKERPHONE, VOLUME, PHONEBOOK, MESSAGE, HOLD, PAGE/INTERCOM, RECORD, HOME
• Voice Codecs: Support for G.711µ/a, G.722 (wide-band), G.723, G.726-32, G.729 A/B, iLBC, inband and out-of-band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC
• Telephony Features: Hold, transfer, forward (unconditional/no-answer/busy), 3-way conferencing, call park/pickup, shared-call appearance (SCA) / bridged-line-appearance (BLA), Down- loadable phone book (XML, LDAP, up to 1000 items), call waiting, call history (up to 200 records), off-hook auto dial, auto answer, click-to-dial, flexible dial plan, hot desking, personalized music ringtones, server redundancy & fail-over
More product details
The Grandstream GXP1625 is a no-frills IP phone built for small offices, retail counters, and home-based businesses where reliable voice communication matters more than flashy features. With support for two SIP accounts and two lines, it suits a receptionist or a user who needs to handle a personal line and a shared line without confusion. The integrated Power over Ethernet (PoE) simplifies desk wiring—just one Ethernet cable carries both data and power, which is especially handy in crowded GTA office environments where power outlets near desks are scarce.
This phone pairs naturally with any standards-based SIP PBX, whether it's a cloud-hosted service or an on-premise system like Asterisk or 3CX. Its HD audio on both the speakerphone and handset delivers clear conversations, a noticeable upgrade over older analog sets. However, the 10/100 Mbps Ethernet ports mean it won't saturate a gigabit network—fine for voice traffic, but if your desk also hosts a computer that needs full gigabit throughput, you may want a model with a gigabit passthrough port. The graphical LCD is basic (132x48 pixels) and monochrome backlit; it shows caller ID and menu options but won't display photos or large contact lists comfortably.
For a user who only needs one or two lines and doesn't require a color touchscreen, advanced call center features, or gigabit networking, the GXP1625 is a sensible, cost-effective choice. It would be overkill for a single-line home user who could get by with a cheaper analog adapter, but it's underpowered for a busy office where staff handle four or more concurrent calls or need BLF (busy lamp field) keys for monitoring extensions. Canadian businesses should confirm that their VoIP provider supports the codecs this phone offers (G.722 for wideband, G.729 for narrowband) to ensure optimal call quality over typical DSL or cable internet connections.
This phone pairs naturally with any standards-based SIP PBX, whether it's a cloud-hosted service or an on-premise system like Asterisk or 3CX. Its HD audio on both the speakerphone and handset delivers clear conversations, a noticeable upgrade over older analog sets. However, the 10/100 Mbps Ethernet ports mean it won't saturate a gigabit network—fine for voice traffic, but if your desk also hosts a computer that needs full gigabit throughput, you may want a model with a gigabit passthrough port. The graphical LCD is basic (132x48 pixels) and monochrome backlit; it shows caller ID and menu options but won't display photos or large contact lists comfortably.
For a user who only needs one or two lines and doesn't require a color touchscreen, advanced call center features, or gigabit networking, the GXP1625 is a sensible, cost-effective choice. It would be overkill for a single-line home user who could get by with a cheaper analog adapter, but it's underpowered for a busy office where staff handle four or more concurrent calls or need BLF (busy lamp field) keys for monitoring extensions. Canadian businesses should confirm that their VoIP provider supports the codecs this phone offers (G.722 for wideband, G.729 for narrowband) to ensure optimal call quality over typical DSL or cable internet connections.