The Grandstream GBX20 Extension Module extends the capabilities of the GRP2615, GRP2624, and GXV3350 IP phones with additional programmable buttons and a color LCD display. The Grandstream GBX20 provides a total of 40 programmable buttons that can be used for directory numbers, speed dial, or feature keys. The Grandstream GBX20 is ideal for receptionists or users who handle heavy call volumes.
We provide FREE UPS Ground shipping on any online order over $99. For online
orders totaling less than $99, UPS Ground shipping is only $9.95. The offer is
valid in the continental United States.
The vast majority of our orders are shipped the same day as placed. If there is
any significant delay in your order leaving our warehouse, you will be contacted
promptly by our customer service department.
We offer UPS Ground, UPS 3 Day Select, UPS 2 Day Air, UPS Next Day Air Saver,
and UPS Next Day Air.
UPS Ground - 1-5 days depending on delivery distance (see Ground services map
UPS 3 Day Select – by 4:30 p.m. third business day to most US addresses
UPS 2 Day Air - by 4:30 p.m. second business day to most US addresses
UPS Next Day Air Saver - by 4:30 p.m. next business day to most US addresses
UPS Next Day Air - by 10:00 a.m. next business day to most US addresses