Carrier-grade GRP, high-end GXP, Wi-Fi cordless WP and hotel GHP IP phones — HD audio, colour displays, PoE, Gigabit Ethernet, Bluetooth and free GDMS cloud provisioning for deployments of any size.
Phone Models
Audio Quality
Cloud Provisioning
Powered
GRP Essential Series (GRP2601, GRP2602, GRP2603, GRP2604) — Affordable carrier-grade phones built for mass, zero-touch deployment with up to 6 SIP accounts, 5-way conferencing and swappable faceplates.
GRP Professional Series (GRP2610–GRP2616, GRP2624, GRP2634, GRP2636, GRP2650, GRP2670) — Colour-display phones with up to 14 lines, Wi-Fi 6, Bluetooth, USB and 5″/7″ screens for power users.
GXP Enterprise Series (GXP1610–GXP1630 basic, GXP2130–GXP2170 high-end) — Proven business phones with Gigabit, Bluetooth, USB, BLF keys and expansion-module support.
Wi-Fi, Hotel & Modules — WP cordless Wi-Fi phones (WP810–WP856), GHP hotel phones (GHP610/620/630 families) and GBX20 / GXP2200EXT extension modules for hospitality, warehousing, healthcare and busy receptions.
2-line carrier-grade phone with 2.4″ colour LCD and 16 multi-purpose keys; PoE on GRP2610P.
3-line phone with 2.8″ colour LCD, 24 MPKs and dual Gigabit Ethernet ports.
4-line phone, 2.4″ colour LCD, 4 SIP accounts; PoE, Wi-Fi and Gigabit variants.
6-line phone, 2.8″ colour LCD, 24 VPKs; Wi-Fi 6 & Bluetooth on GRP2613W.
4-line phone with dual colour displays (2.8″ + 2.4″ side screen) and Gigabit.
10-line phone, 4.3″ colour LCD, USB and GBX20 extension-module support.
6-line phone with 4.3″ + 2.4″ dual colour LCD, Wi-Fi, Bluetooth and USB.
8-line phone, 2.4″ colour LCD, Wi-Fi 6, Bluetooth and GBX20 support.
8-line phone, 2.8″ colour LCD, Wi-Fi 6, Bluetooth and USB headset support.
12-line phone with 2.8″ primary + 2.4″ secondary colour displays and 40 MPKs.
14-line flagship with 5″ 1280×720 colour LCD, Wi-Fi, Bluetooth and 56 MPKs.
12-line phone with a 7″ capacitive touchscreen, Wi-Fi 6, Bluetooth and USB.
2-line essential phone, 132×48 LCD, 2 SIP accounts; PoE (P) and Wi-Fi 6 (W) options.
2-line phone with 4 SIP accounts and backlit LCD; PoE, Wi-Fi 6 and Gigabit variants.
3-line phone, up to 6 SIP accounts, 132×64 backlit LCD with dual Gigabit ports.
3-line phone, up to 6 SIP accounts, backlit LCD, Gigabit and PoE on GRP2604P.
3-line phone, 2.8″ colour LCD, Bluetooth, dual Gigabit and 8 BLF/speed-dial keys.
4-line phone, 2.8″ colour LCD, Bluetooth, Gigabit and 32 BLF keys.
4-line phone, 4.3″ colour LCD, Bluetooth, USB and dual Gigabit Ethernet.
6-line phone, 4.3″ colour LCD, 24 BLF keys, Bluetooth, USB and Gigabit.
6-line flagship, 4.3″ colour LCD, 48 BLF keys, Bluetooth, USB and Gigabit.
1-line entry SIP phone, 132×48 graphical LCD; integrated PoE on GXP1615.
2-line SIP phone, 132×64 backlit LCD; integrated PoE on GXP1625.
2-line Gigabit SIP phone, 132×64 backlit LCD, PoE and 8 BLF keys.
3-line Gigabit SIP phone, 132×64 backlit LCD with 24 BLF/speed-dial keys.
Basic cordless Wi-Fi phone, 1.8″ colour LCD, dual-band 802.11ac and 6-hr talk time.
Cordless Wi-Fi 6 phone, 2.4″ colour LCD, Bluetooth and AI noise reduction.
Cordless Wi-Fi phone, 2.4″ colour LCD, Bluetooth and 7.5-hr talk time.
Cordless Wi-Fi phone with dual-band 802.11ac, fast roaming and HD voice.
Cordless Wi-Fi phone, colour LCD, Bluetooth and 802.11k/v/r fast roaming.
Cordless Wi-Fi 6 phone, 2.8″ colour LCD, 12-hr talk time and AI noise reduction.
Rugged cordless Wi-Fi 6 phone with accelerometer, fast roaming and AI noise reduction.
Android Wi-Fi 6 smartphone, 5.5″ touchscreen, NFC, barcode scanner and IP65 rating.
Extension module for GRP series with 20 dual-colour keys and 40 contacts; stack up to 4 (160 keys).
Extension module for GXP2140/2160/2170 with 20 dual-colour BLF keys and LCD; daisy-chain up to 4.
Compact hotel IP phone, 2 SIP accounts, 3 programmable keys, 3-way conference; Wi-Fi on W models.
Hotel IP phone, 2 SIP accounts, 6 programmable + 10 speed-dial keys; Wi-Fi on W models.
Hotel IP phone, 2 SIP accounts, 6 keys, 10 speed-dial, USB-C; dual-band Wi-Fi 6 on W models.
Wideband HD audio with noise-shield and AI noise reduction for clear calls in busy environments.
Zero-touch cloud deployment, monitoring and firmware management for whole fleets via Grandstream GDMS.
Secure boot, dual firmware images, encrypted storage and unique per-device certificates and passwords.
Standard SIP compatibility with UCM, Asterisk, 3CX, Epygi and most third-party PBX and softswitch platforms.
Grandstream is one of the world's most widely deployed manufacturers of SIP voice endpoints, with more than 20 years of experience building IP phones for enterprises, service providers and hospitality. Its IP Voice Telephony portfolio spans the carrier-grade GRP series, the enterprise GXP series, WP Wi-Fi cordless phones, GHP hotel phones and extension modules — giving organisations a single, interoperable platform that scales from a two-line reception phone to a 14-line executive desk.
Every model delivers full-duplex HD audio, broad SIP interoperability and free cloud management through Grandstream's Device Management System (GDMS), which lets IT teams provision, monitor and update thousands of devices in true zero-touch fashion. From the affordable GRP2601 and GXP1610 right up to the GRP2670 with its 7″ capacitive touchscreen or the Android-powered WP856 Wi-Fi smartphone, there is a Grandstream phone engineered for every role and budget.
Whether you are equipping a corporate headquarters with high-end GXP and professional GRP phones, a hotel with the purpose-built GHP hospitality range, a warehouse or hospital with rugged WP Wi-Fi handsets, or a call centre with GBX20 / GXP2200EXT busy-lamp-field expansion modules, Grandstream has a fit. As an authorized Grandstream distributor, Cohesive Technologies offers expert consultation, genuine stock, competitive pricing and nationwide delivery across India, Sri Lanka, Nepal and the Maldives, backed by full technical support.
Authorized distributor · HD audio · Free GDMS provisioning · Best price in India · Free consultation · Nationwide delivery