IP Phone Accessory Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sale! Grandstream GBX20 Extension Module for GRP2615 and GRP2620 IP Phones with 160 Programmable Contacts ₹20,300.00 Original price was: ₹20,300.00.₹9,520.00Current price is: ₹9,520.00. Add to cart